Results / rtt_qos0_fixed

rtt_qos0_fixed

Round trip at 1,000 req/s with QoS 0.

rtt · QoS 0 · 256 B · 1,000 requests/s · MQTTv311 · how it is wired

client

valid

p50 ↓

p99 ↓

p99.9 ↓

max ↓

lag p99 ↓

CPU / msg ↓

peak RSS ↓

ctx sw / 1k ↓

awscrt 0.37.0 crt_event_loop native

3/3

225 µs

run 1 · valid

client requests	9,999
C echo received	9,999
C echo replied	9,999
broker received ($SYS)	19,998
broker sent ($SYS)	19,998
client replies	9,999
schedule lag p50 / p99 / max	672 µs / 999 µs / 2,625 µs
due in window, never published	1
CPU user / sys per msg	103 µs / 62.5 µs
CPU (share of a core)	16.5 %
threads	3

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9999 from the client; client sent 9999, completed 9999
broker_confirms_deliveries: broker sent 19998; client received 9999, echo received 9999
offered_rate_held: client published 7999 of 8000 offered in the window
responses_kept_up: client received 8000 replies to 7999 requests in the window
broker_headroom: broker used 0.06 of its core
host_quiet: 0.33 cores busy outside the client, peer and broker

run 2 · valid

client requests	9,999
C echo received	9,999
C echo replied	9,999
broker received ($SYS)	19,998
broker sent ($SYS)	19,998
client replies	9,999
schedule lag p50 / p99 / max	75.8 µs / 96.3 µs / 531 µs
due in window, never published	1
CPU user / sys per msg	139 µs / 26.3 µs
CPU (share of a core)	16.5 %
threads	3

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9999 from the client; client sent 9999, completed 9999
broker_confirms_deliveries: broker sent 19998; client received 9999, echo received 9999
offered_rate_held: client published 7999 of 8000 offered in the window
responses_kept_up: client received 8000 replies to 7999 requests in the window
broker_headroom: broker used 0.06 of its core
host_quiet: 0.00 cores busy outside the client, peer and broker

run 3 · valid

client requests	9,999
C echo received	9,999
C echo replied	9,999
broker received ($SYS)	19,998
broker sent ($SYS)	19,998
client replies	9,999
schedule lag p50 / p99 / max	737 µs / 770 µs / 1,690 µs
due in window, never published	1
CPU user / sys per msg	144 µs / 15.0 µs
CPU (share of a core)	15.9 %
threads	3

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9999 from the client; client sent 9999, completed 9999
broker_confirms_deliveries: broker sent 19998; client received 9999, echo received 9999
offered_rate_held: client published 8000 of 8000 offered in the window
responses_kept_up: client received 8000 replies to 8000 requests in the window
broker_headroom: broker used 0.06 of its core
host_quiet: 0.00 cores busy outside the client, peer and broker

303 µs

run 1 · valid

client requests	9,999
C echo received	9,999
C echo replied	9,999
broker received ($SYS)	19,998
broker sent ($SYS)	19,998
client replies	9,999
schedule lag p50 / p99 / max	672 µs / 999 µs / 2,625 µs
due in window, never published	1
CPU user / sys per msg	103 µs / 62.5 µs
CPU (share of a core)	16.5 %
threads	3

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9999 from the client; client sent 9999, completed 9999
broker_confirms_deliveries: broker sent 19998; client received 9999, echo received 9999
offered_rate_held: client published 7999 of 8000 offered in the window
responses_kept_up: client received 8000 replies to 7999 requests in the window
broker_headroom: broker used 0.06 of its core
host_quiet: 0.33 cores busy outside the client, peer and broker

run 2 · valid

client requests	9,999
C echo received	9,999
C echo replied	9,999
broker received ($SYS)	19,998
broker sent ($SYS)	19,998
client replies	9,999
schedule lag p50 / p99 / max	75.8 µs / 96.3 µs / 531 µs
due in window, never published	1
CPU user / sys per msg	139 µs / 26.3 µs
CPU (share of a core)	16.5 %
threads	3

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9999 from the client; client sent 9999, completed 9999
broker_confirms_deliveries: broker sent 19998; client received 9999, echo received 9999
offered_rate_held: client published 7999 of 8000 offered in the window
responses_kept_up: client received 8000 replies to 7999 requests in the window
broker_headroom: broker used 0.06 of its core
host_quiet: 0.00 cores busy outside the client, peer and broker

run 3 · valid

client requests	9,999
C echo received	9,999
C echo replied	9,999
broker received ($SYS)	19,998
broker sent ($SYS)	19,998
client replies	9,999
schedule lag p50 / p99 / max	737 µs / 770 µs / 1,690 µs
due in window, never published	1
CPU user / sys per msg	144 µs / 15.0 µs
CPU (share of a core)	15.9 %
threads	3

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9999 from the client; client sent 9999, completed 9999
broker_confirms_deliveries: broker sent 19998; client received 9999, echo received 9999
offered_rate_held: client published 8000 of 8000 offered in the window
responses_kept_up: client received 8000 replies to 8000 requests in the window
broker_headroom: broker used 0.06 of its core
host_quiet: 0.00 cores busy outside the client, peer and broker

2,425 µs

run 1 · valid

client requests	9,999
C echo received	9,999
C echo replied	9,999
broker received ($SYS)	19,998
broker sent ($SYS)	19,998
client replies	9,999
schedule lag p50 / p99 / max	672 µs / 999 µs / 2,625 µs
due in window, never published	1
CPU user / sys per msg	103 µs / 62.5 µs
CPU (share of a core)	16.5 %
threads	3

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9999 from the client; client sent 9999, completed 9999
broker_confirms_deliveries: broker sent 19998; client received 9999, echo received 9999
offered_rate_held: client published 7999 of 8000 offered in the window
responses_kept_up: client received 8000 replies to 7999 requests in the window
broker_headroom: broker used 0.06 of its core
host_quiet: 0.33 cores busy outside the client, peer and broker

run 2 · valid

client requests	9,999
C echo received	9,999
C echo replied	9,999
broker received ($SYS)	19,998
broker sent ($SYS)	19,998
client replies	9,999
schedule lag p50 / p99 / max	75.8 µs / 96.3 µs / 531 µs
due in window, never published	1
CPU user / sys per msg	139 µs / 26.3 µs
CPU (share of a core)	16.5 %
threads	3

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9999 from the client; client sent 9999, completed 9999
broker_confirms_deliveries: broker sent 19998; client received 9999, echo received 9999
offered_rate_held: client published 7999 of 8000 offered in the window
responses_kept_up: client received 8000 replies to 7999 requests in the window
broker_headroom: broker used 0.06 of its core
host_quiet: 0.00 cores busy outside the client, peer and broker

run 3 · valid

client requests	9,999
C echo received	9,999
C echo replied	9,999
broker received ($SYS)	19,998
broker sent ($SYS)	19,998
client replies	9,999
schedule lag p50 / p99 / max	737 µs / 770 µs / 1,690 µs
due in window, never published	1
CPU user / sys per msg	144 µs / 15.0 µs
CPU (share of a core)	15.9 %
threads	3

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9999 from the client; client sent 9999, completed 9999
broker_confirms_deliveries: broker sent 19998; client received 9999, echo received 9999
offered_rate_held: client published 8000 of 8000 offered in the window
responses_kept_up: client received 8000 replies to 8000 requests in the window
broker_headroom: broker used 0.06 of its core
host_quiet: 0.00 cores busy outside the client, peer and broker

3,647 µs

run 1 · valid

client requests	9,999
C echo received	9,999
C echo replied	9,999
broker received ($SYS)	19,998
broker sent ($SYS)	19,998
client replies	9,999
schedule lag p50 / p99 / max	672 µs / 999 µs / 2,625 µs
due in window, never published	1
CPU user / sys per msg	103 µs / 62.5 µs
CPU (share of a core)	16.5 %
threads	3

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9999 from the client; client sent 9999, completed 9999
broker_confirms_deliveries: broker sent 19998; client received 9999, echo received 9999
offered_rate_held: client published 7999 of 8000 offered in the window
responses_kept_up: client received 8000 replies to 7999 requests in the window
broker_headroom: broker used 0.06 of its core
host_quiet: 0.33 cores busy outside the client, peer and broker

run 2 · valid

client requests	9,999
C echo received	9,999
C echo replied	9,999
broker received ($SYS)	19,998
broker sent ($SYS)	19,998
client replies	9,999
schedule lag p50 / p99 / max	75.8 µs / 96.3 µs / 531 µs
due in window, never published	1
CPU user / sys per msg	139 µs / 26.3 µs
CPU (share of a core)	16.5 %
threads	3

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9999 from the client; client sent 9999, completed 9999
broker_confirms_deliveries: broker sent 19998; client received 9999, echo received 9999
offered_rate_held: client published 7999 of 8000 offered in the window
responses_kept_up: client received 8000 replies to 7999 requests in the window
broker_headroom: broker used 0.06 of its core
host_quiet: 0.00 cores busy outside the client, peer and broker

run 3 · valid

client requests	9,999
C echo received	9,999
C echo replied	9,999
broker received ($SYS)	19,998
broker sent ($SYS)	19,998
client replies	9,999
schedule lag p50 / p99 / max	737 µs / 770 µs / 1,690 µs
due in window, never published	1
CPU user / sys per msg	144 µs / 15.0 µs
CPU (share of a core)	15.9 %
threads	3

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9999 from the client; client sent 9999, completed 9999
broker_confirms_deliveries: broker sent 19998; client received 9999, echo received 9999
offered_rate_held: client published 8000 of 8000 offered in the window
responses_kept_up: client received 8000 replies to 8000 requests in the window
broker_headroom: broker used 0.06 of its core
host_quiet: 0.00 cores busy outside the client, peer and broker

999 µs

run 1 · valid

client requests	9,999
C echo received	9,999
C echo replied	9,999
broker received ($SYS)	19,998
broker sent ($SYS)	19,998
client replies	9,999
schedule lag p50 / p99 / max	672 µs / 999 µs / 2,625 µs
due in window, never published	1
CPU user / sys per msg	103 µs / 62.5 µs
CPU (share of a core)	16.5 %
threads	3

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9999 from the client; client sent 9999, completed 9999
broker_confirms_deliveries: broker sent 19998; client received 9999, echo received 9999
offered_rate_held: client published 7999 of 8000 offered in the window
responses_kept_up: client received 8000 replies to 7999 requests in the window
broker_headroom: broker used 0.06 of its core
host_quiet: 0.33 cores busy outside the client, peer and broker

run 2 · valid

client requests	9,999
C echo received	9,999
C echo replied	9,999
broker received ($SYS)	19,998
broker sent ($SYS)	19,998
client replies	9,999
schedule lag p50 / p99 / max	75.8 µs / 96.3 µs / 531 µs
due in window, never published	1
CPU user / sys per msg	139 µs / 26.3 µs
CPU (share of a core)	16.5 %
threads	3

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9999 from the client; client sent 9999, completed 9999
broker_confirms_deliveries: broker sent 19998; client received 9999, echo received 9999
offered_rate_held: client published 7999 of 8000 offered in the window
responses_kept_up: client received 8000 replies to 7999 requests in the window
broker_headroom: broker used 0.06 of its core
host_quiet: 0.00 cores busy outside the client, peer and broker

run 3 · valid

client requests	9,999
C echo received	9,999
C echo replied	9,999
broker received ($SYS)	19,998
broker sent ($SYS)	19,998
client replies	9,999
schedule lag p50 / p99 / max	737 µs / 770 µs / 1,690 µs
due in window, never published	1
CPU user / sys per msg	144 µs / 15.0 µs
CPU (share of a core)	15.9 %
threads	3

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9999 from the client; client sent 9999, completed 9999
broker_confirms_deliveries: broker sent 19998; client received 9999, echo received 9999
offered_rate_held: client published 8000 of 8000 offered in the window
responses_kept_up: client received 8000 replies to 8000 requests in the window
broker_headroom: broker used 0.06 of its core
host_quiet: 0.00 cores busy outside the client, peer and broker

165 µs

run 1 · valid

client requests	9,999
C echo received	9,999
C echo replied	9,999
broker received ($SYS)	19,998
broker sent ($SYS)	19,998
client replies	9,999
schedule lag p50 / p99 / max	672 µs / 999 µs / 2,625 µs
due in window, never published	1
CPU user / sys per msg	103 µs / 62.5 µs
CPU (share of a core)	16.5 %
threads	3

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9999 from the client; client sent 9999, completed 9999
broker_confirms_deliveries: broker sent 19998; client received 9999, echo received 9999
offered_rate_held: client published 7999 of 8000 offered in the window
responses_kept_up: client received 8000 replies to 7999 requests in the window
broker_headroom: broker used 0.06 of its core
host_quiet: 0.33 cores busy outside the client, peer and broker

run 2 · valid

client requests	9,999
C echo received	9,999
C echo replied	9,999
broker received ($SYS)	19,998
broker sent ($SYS)	19,998
client replies	9,999
schedule lag p50 / p99 / max	75.8 µs / 96.3 µs / 531 µs
due in window, never published	1
CPU user / sys per msg	139 µs / 26.3 µs
CPU (share of a core)	16.5 %
threads	3

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9999 from the client; client sent 9999, completed 9999
broker_confirms_deliveries: broker sent 19998; client received 9999, echo received 9999
offered_rate_held: client published 7999 of 8000 offered in the window
responses_kept_up: client received 8000 replies to 7999 requests in the window
broker_headroom: broker used 0.06 of its core
host_quiet: 0.00 cores busy outside the client, peer and broker

run 3 · valid

client requests	9,999
C echo received	9,999
C echo replied	9,999
broker received ($SYS)	19,998
broker sent ($SYS)	19,998
client replies	9,999
schedule lag p50 / p99 / max	737 µs / 770 µs / 1,690 µs
due in window, never published	1
CPU user / sys per msg	144 µs / 15.0 µs
CPU (share of a core)	15.9 %
threads	3

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9999 from the client; client sent 9999, completed 9999
broker_confirms_deliveries: broker sent 19998; client received 9999, echo received 9999
offered_rate_held: client published 8000 of 8000 offered in the window
responses_kept_up: client received 8000 replies to 8000 requests in the window
broker_headroom: broker used 0.06 of its core
host_quiet: 0.00 cores busy outside the client, peer and broker

26.7 MiB

run 1 · valid

client requests	9,999
C echo received	9,999
C echo replied	9,999
broker received ($SYS)	19,998
broker sent ($SYS)	19,998
client replies	9,999
schedule lag p50 / p99 / max	672 µs / 999 µs / 2,625 µs
due in window, never published	1
CPU user / sys per msg	103 µs / 62.5 µs
CPU (share of a core)	16.5 %
threads	3

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9999 from the client; client sent 9999, completed 9999
broker_confirms_deliveries: broker sent 19998; client received 9999, echo received 9999
offered_rate_held: client published 7999 of 8000 offered in the window
responses_kept_up: client received 8000 replies to 7999 requests in the window
broker_headroom: broker used 0.06 of its core
host_quiet: 0.33 cores busy outside the client, peer and broker

run 2 · valid

client requests	9,999
C echo received	9,999
C echo replied	9,999
broker received ($SYS)	19,998
broker sent ($SYS)	19,998
client replies	9,999
schedule lag p50 / p99 / max	75.8 µs / 96.3 µs / 531 µs
due in window, never published	1
CPU user / sys per msg	139 µs / 26.3 µs
CPU (share of a core)	16.5 %
threads	3

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9999 from the client; client sent 9999, completed 9999
broker_confirms_deliveries: broker sent 19998; client received 9999, echo received 9999
offered_rate_held: client published 7999 of 8000 offered in the window
responses_kept_up: client received 8000 replies to 7999 requests in the window
broker_headroom: broker used 0.06 of its core
host_quiet: 0.00 cores busy outside the client, peer and broker

run 3 · valid

client requests	9,999
C echo received	9,999
C echo replied	9,999
broker received ($SYS)	19,998
broker sent ($SYS)	19,998
client replies	9,999
schedule lag p50 / p99 / max	737 µs / 770 µs / 1,690 µs
due in window, never published	1
CPU user / sys per msg	144 µs / 15.0 µs
CPU (share of a core)	15.9 %
threads	3

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9999 from the client; client sent 9999, completed 9999
broker_confirms_deliveries: broker sent 19998; client received 9999, echo received 9999
offered_rate_held: client published 8000 of 8000 offered in the window
responses_kept_up: client received 8000 replies to 8000 requests in the window
broker_headroom: broker used 0.06 of its core
host_quiet: 0.00 cores busy outside the client, peer and broker

1,000

run 1 · valid

client requests	9,999
C echo received	9,999
C echo replied	9,999
broker received ($SYS)	19,998
broker sent ($SYS)	19,998
client replies	9,999
schedule lag p50 / p99 / max	672 µs / 999 µs / 2,625 µs
due in window, never published	1
CPU user / sys per msg	103 µs / 62.5 µs
CPU (share of a core)	16.5 %
threads	3

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9999 from the client; client sent 9999, completed 9999
broker_confirms_deliveries: broker sent 19998; client received 9999, echo received 9999
offered_rate_held: client published 7999 of 8000 offered in the window
responses_kept_up: client received 8000 replies to 7999 requests in the window
broker_headroom: broker used 0.06 of its core
host_quiet: 0.33 cores busy outside the client, peer and broker

run 2 · valid

client requests	9,999
C echo received	9,999
C echo replied	9,999
broker received ($SYS)	19,998
broker sent ($SYS)	19,998
client replies	9,999
schedule lag p50 / p99 / max	75.8 µs / 96.3 µs / 531 µs
due in window, never published	1
CPU user / sys per msg	139 µs / 26.3 µs
CPU (share of a core)	16.5 %
threads	3

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9999 from the client; client sent 9999, completed 9999
broker_confirms_deliveries: broker sent 19998; client received 9999, echo received 9999
offered_rate_held: client published 7999 of 8000 offered in the window
responses_kept_up: client received 8000 replies to 7999 requests in the window
broker_headroom: broker used 0.06 of its core
host_quiet: 0.00 cores busy outside the client, peer and broker

run 3 · valid

client requests	9,999
C echo received	9,999
C echo replied	9,999
broker received ($SYS)	19,998
broker sent ($SYS)	19,998
client replies	9,999
schedule lag p50 / p99 / max	737 µs / 770 µs / 1,690 µs
due in window, never published	1
CPU user / sys per msg	144 µs / 15.0 µs
CPU (share of a core)	15.9 %
threads	3

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9999 from the client; client sent 9999, completed 9999
broker_confirms_deliveries: broker sent 19998; client received 9999, echo received 9999
offered_rate_held: client published 8000 of 8000 offered in the window
responses_kept_up: client received 8000 replies to 8000 requests in the window
broker_headroom: broker used 0.06 of its core
host_quiet: 0.00 cores busy outside the client, peer and broker

mqttium 1.1.0 asyncio

3/3

242 µs

run 1 · valid

client requests	9,999
C echo received	9,999
C echo replied	9,999
broker received ($SYS)	19,998
broker sent ($SYS)	19,998
client replies	9,999
schedule lag p50 / p99 / max	639 µs / 1,343 µs / 2,683 µs
due in window, never published	1
CPU user / sys per msg	131 µs / 23.8 µs
CPU (share of a core)	15.5 %
threads	2

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9999 from the client; client sent 9999, completed 9999
broker_confirms_deliveries: broker sent 19998; client received 9999, echo received 9999
offered_rate_held: client published 8000 of 8000 offered in the window
responses_kept_up: client received 8001 replies to 8000 requests in the window
broker_headroom: broker used 0.06 of its core
host_quiet: 0.23 cores busy outside the client, peer and broker

run 2 · valid

client requests	9,999
C echo received	9,999
C echo replied	9,999
broker received ($SYS)	19,998
broker sent ($SYS)	19,998
client replies	9,999
schedule lag p50 / p99 / max	672 µs / 1,343 µs / 3,911 µs
due in window, never published	1
CPU user / sys per msg	132 µs / 20.0 µs
CPU (share of a core)	15.3 %
threads	2

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9999 from the client; client sent 9999, completed 9999
broker_confirms_deliveries: broker sent 19998; client received 9999, echo received 9999
offered_rate_held: client published 8000 of 8000 offered in the window
responses_kept_up: client received 8000 replies to 8000 requests in the window
broker_headroom: broker used 0.07 of its core
host_quiet: 0.20 cores busy outside the client, peer and broker

run 3 · valid

client requests	9,998
C echo received	9,998
C echo replied	9,998
broker received ($SYS)	19,996
broker sent ($SYS)	19,996
client replies	9,998
schedule lag p50 / p99 / max	672 µs / 1,343 µs / 2,760 µs
due in window, never published	2
CPU user / sys per msg	133 µs / 21.3 µs
CPU (share of a core)	15.4 %
threads	2

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9998 from the client; client sent 9998, completed 9998
broker_confirms_deliveries: broker sent 19996; client received 9998, echo received 9998
offered_rate_held: client published 7999 of 8000 offered in the window
responses_kept_up: client received 7999 replies to 7999 requests in the window
broker_headroom: broker used 0.07 of its core
host_quiet: 0.14 cores busy outside the client, peer and broker

319 µs

run 1 · valid

client requests	9,999
C echo received	9,999
C echo replied	9,999
broker received ($SYS)	19,998
broker sent ($SYS)	19,998
client replies	9,999
schedule lag p50 / p99 / max	639 µs / 1,343 µs / 2,683 µs
due in window, never published	1
CPU user / sys per msg	131 µs / 23.8 µs
CPU (share of a core)	15.5 %
threads	2

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9999 from the client; client sent 9999, completed 9999
broker_confirms_deliveries: broker sent 19998; client received 9999, echo received 9999
offered_rate_held: client published 8000 of 8000 offered in the window
responses_kept_up: client received 8001 replies to 8000 requests in the window
broker_headroom: broker used 0.06 of its core
host_quiet: 0.23 cores busy outside the client, peer and broker

run 2 · valid

client requests	9,999
C echo received	9,999
C echo replied	9,999
broker received ($SYS)	19,998
broker sent ($SYS)	19,998
client replies	9,999
schedule lag p50 / p99 / max	672 µs / 1,343 µs / 3,911 µs
due in window, never published	1
CPU user / sys per msg	132 µs / 20.0 µs
CPU (share of a core)	15.3 %
threads	2

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9999 from the client; client sent 9999, completed 9999
broker_confirms_deliveries: broker sent 19998; client received 9999, echo received 9999
offered_rate_held: client published 8000 of 8000 offered in the window
responses_kept_up: client received 8000 replies to 8000 requests in the window
broker_headroom: broker used 0.07 of its core
host_quiet: 0.20 cores busy outside the client, peer and broker

run 3 · valid

client requests	9,998
C echo received	9,998
C echo replied	9,998
broker received ($SYS)	19,996
broker sent ($SYS)	19,996
client replies	9,998
schedule lag p50 / p99 / max	672 µs / 1,343 µs / 2,760 µs
due in window, never published	2
CPU user / sys per msg	133 µs / 21.3 µs
CPU (share of a core)	15.4 %
threads	2

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9998 from the client; client sent 9998, completed 9998
broker_confirms_deliveries: broker sent 19996; client received 9998, echo received 9998
offered_rate_held: client published 7999 of 8000 offered in the window
responses_kept_up: client received 7999 replies to 7999 requests in the window
broker_headroom: broker used 0.07 of its core
host_quiet: 0.14 cores busy outside the client, peer and broker

1,606 µs

run 1 · valid

client requests	9,999
C echo received	9,999
C echo replied	9,999
broker received ($SYS)	19,998
broker sent ($SYS)	19,998
client replies	9,999
schedule lag p50 / p99 / max	639 µs / 1,343 µs / 2,683 µs
due in window, never published	1
CPU user / sys per msg	131 µs / 23.8 µs
CPU (share of a core)	15.5 %
threads	2

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9999 from the client; client sent 9999, completed 9999
broker_confirms_deliveries: broker sent 19998; client received 9999, echo received 9999
offered_rate_held: client published 8000 of 8000 offered in the window
responses_kept_up: client received 8001 replies to 8000 requests in the window
broker_headroom: broker used 0.06 of its core
host_quiet: 0.23 cores busy outside the client, peer and broker

run 2 · valid

client requests	9,999
C echo received	9,999
C echo replied	9,999
broker received ($SYS)	19,998
broker sent ($SYS)	19,998
client replies	9,999
schedule lag p50 / p99 / max	672 µs / 1,343 µs / 3,911 µs
due in window, never published	1
CPU user / sys per msg	132 µs / 20.0 µs
CPU (share of a core)	15.3 %
threads	2

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9999 from the client; client sent 9999, completed 9999
broker_confirms_deliveries: broker sent 19998; client received 9999, echo received 9999
offered_rate_held: client published 8000 of 8000 offered in the window
responses_kept_up: client received 8000 replies to 8000 requests in the window
broker_headroom: broker used 0.07 of its core
host_quiet: 0.20 cores busy outside the client, peer and broker

run 3 · valid

client requests	9,998
C echo received	9,998
C echo replied	9,998
broker received ($SYS)	19,996
broker sent ($SYS)	19,996
client replies	9,998
schedule lag p50 / p99 / max	672 µs / 1,343 µs / 2,760 µs
due in window, never published	2
CPU user / sys per msg	133 µs / 21.3 µs
CPU (share of a core)	15.4 %
threads	2

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9998 from the client; client sent 9998, completed 9998
broker_confirms_deliveries: broker sent 19996; client received 9998, echo received 9998
offered_rate_held: client published 7999 of 8000 offered in the window
responses_kept_up: client received 7999 replies to 7999 requests in the window
broker_headroom: broker used 0.07 of its core
host_quiet: 0.14 cores busy outside the client, peer and broker

3,383 µs

run 1 · valid

client requests	9,999
C echo received	9,999
C echo replied	9,999
broker received ($SYS)	19,998
broker sent ($SYS)	19,998
client replies	9,999
schedule lag p50 / p99 / max	639 µs / 1,343 µs / 2,683 µs
due in window, never published	1
CPU user / sys per msg	131 µs / 23.8 µs
CPU (share of a core)	15.5 %
threads	2

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9999 from the client; client sent 9999, completed 9999
broker_confirms_deliveries: broker sent 19998; client received 9999, echo received 9999
offered_rate_held: client published 8000 of 8000 offered in the window
responses_kept_up: client received 8001 replies to 8000 requests in the window
broker_headroom: broker used 0.06 of its core
host_quiet: 0.23 cores busy outside the client, peer and broker

run 2 · valid

client requests	9,999
C echo received	9,999
C echo replied	9,999
broker received ($SYS)	19,998
broker sent ($SYS)	19,998
client replies	9,999
schedule lag p50 / p99 / max	672 µs / 1,343 µs / 3,911 µs
due in window, never published	1
CPU user / sys per msg	132 µs / 20.0 µs
CPU (share of a core)	15.3 %
threads	2

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9999 from the client; client sent 9999, completed 9999
broker_confirms_deliveries: broker sent 19998; client received 9999, echo received 9999
offered_rate_held: client published 8000 of 8000 offered in the window
responses_kept_up: client received 8000 replies to 8000 requests in the window
broker_headroom: broker used 0.07 of its core
host_quiet: 0.20 cores busy outside the client, peer and broker

run 3 · valid

client requests	9,998
C echo received	9,998
C echo replied	9,998
broker received ($SYS)	19,996
broker sent ($SYS)	19,996
client replies	9,998
schedule lag p50 / p99 / max	672 µs / 1,343 µs / 2,760 µs
due in window, never published	2
CPU user / sys per msg	133 µs / 21.3 µs
CPU (share of a core)	15.4 %
threads	2

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9998 from the client; client sent 9998, completed 9998
broker_confirms_deliveries: broker sent 19996; client received 9998, echo received 9998
offered_rate_held: client published 7999 of 8000 offered in the window
responses_kept_up: client received 7999 replies to 7999 requests in the window
broker_headroom: broker used 0.07 of its core
host_quiet: 0.14 cores busy outside the client, peer and broker

1,343 µs

run 1 · valid

client requests	9,999
C echo received	9,999
C echo replied	9,999
broker received ($SYS)	19,998
broker sent ($SYS)	19,998
client replies	9,999
schedule lag p50 / p99 / max	639 µs / 1,343 µs / 2,683 µs
due in window, never published	1
CPU user / sys per msg	131 µs / 23.8 µs
CPU (share of a core)	15.5 %
threads	2

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9999 from the client; client sent 9999, completed 9999
broker_confirms_deliveries: broker sent 19998; client received 9999, echo received 9999
offered_rate_held: client published 8000 of 8000 offered in the window
responses_kept_up: client received 8001 replies to 8000 requests in the window
broker_headroom: broker used 0.06 of its core
host_quiet: 0.23 cores busy outside the client, peer and broker

run 2 · valid

client requests	9,999
C echo received	9,999
C echo replied	9,999
broker received ($SYS)	19,998
broker sent ($SYS)	19,998
client replies	9,999
schedule lag p50 / p99 / max	672 µs / 1,343 µs / 3,911 µs
due in window, never published	1
CPU user / sys per msg	132 µs / 20.0 µs
CPU (share of a core)	15.3 %
threads	2

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9999 from the client; client sent 9999, completed 9999
broker_confirms_deliveries: broker sent 19998; client received 9999, echo received 9999
offered_rate_held: client published 8000 of 8000 offered in the window
responses_kept_up: client received 8000 replies to 8000 requests in the window
broker_headroom: broker used 0.07 of its core
host_quiet: 0.20 cores busy outside the client, peer and broker

run 3 · valid

client requests	9,998
C echo received	9,998
C echo replied	9,998
broker received ($SYS)	19,996
broker sent ($SYS)	19,996
client replies	9,998
schedule lag p50 / p99 / max	672 µs / 1,343 µs / 2,760 µs
due in window, never published	2
CPU user / sys per msg	133 µs / 21.3 µs
CPU (share of a core)	15.4 %
threads	2

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9998 from the client; client sent 9998, completed 9998
broker_confirms_deliveries: broker sent 19996; client received 9998, echo received 9998
offered_rate_held: client published 7999 of 8000 offered in the window
responses_kept_up: client received 7999 replies to 7999 requests in the window
broker_headroom: broker used 0.07 of its core
host_quiet: 0.14 cores busy outside the client, peer and broker

154 µs

run 1 · valid

client requests	9,999
C echo received	9,999
C echo replied	9,999
broker received ($SYS)	19,998
broker sent ($SYS)	19,998
client replies	9,999
schedule lag p50 / p99 / max	639 µs / 1,343 µs / 2,683 µs
due in window, never published	1
CPU user / sys per msg	131 µs / 23.8 µs
CPU (share of a core)	15.5 %
threads	2

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9999 from the client; client sent 9999, completed 9999
broker_confirms_deliveries: broker sent 19998; client received 9999, echo received 9999
offered_rate_held: client published 8000 of 8000 offered in the window
responses_kept_up: client received 8001 replies to 8000 requests in the window
broker_headroom: broker used 0.06 of its core
host_quiet: 0.23 cores busy outside the client, peer and broker

run 2 · valid

client requests	9,999
C echo received	9,999
C echo replied	9,999
broker received ($SYS)	19,998
broker sent ($SYS)	19,998
client replies	9,999
schedule lag p50 / p99 / max	672 µs / 1,343 µs / 3,911 µs
due in window, never published	1
CPU user / sys per msg	132 µs / 20.0 µs
CPU (share of a core)	15.3 %
threads	2

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9999 from the client; client sent 9999, completed 9999
broker_confirms_deliveries: broker sent 19998; client received 9999, echo received 9999
offered_rate_held: client published 8000 of 8000 offered in the window
responses_kept_up: client received 8000 replies to 8000 requests in the window
broker_headroom: broker used 0.07 of its core
host_quiet: 0.20 cores busy outside the client, peer and broker

run 3 · valid

client requests	9,998
C echo received	9,998
C echo replied	9,998
broker received ($SYS)	19,996
broker sent ($SYS)	19,996
client replies	9,998
schedule lag p50 / p99 / max	672 µs / 1,343 µs / 2,760 µs
due in window, never published	2
CPU user / sys per msg	133 µs / 21.3 µs
CPU (share of a core)	15.4 %
threads	2

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9998 from the client; client sent 9998, completed 9998
broker_confirms_deliveries: broker sent 19996; client received 9998, echo received 9998
offered_rate_held: client published 7999 of 8000 offered in the window
responses_kept_up: client received 7999 replies to 7999 requests in the window
broker_headroom: broker used 0.07 of its core
host_quiet: 0.14 cores busy outside the client, peer and broker

26.7 MiB

run 1 · valid

client requests	9,999
C echo received	9,999
C echo replied	9,999
broker received ($SYS)	19,998
broker sent ($SYS)	19,998
client replies	9,999
schedule lag p50 / p99 / max	639 µs / 1,343 µs / 2,683 µs
due in window, never published	1
CPU user / sys per msg	131 µs / 23.8 µs
CPU (share of a core)	15.5 %
threads	2

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9999 from the client; client sent 9999, completed 9999
broker_confirms_deliveries: broker sent 19998; client received 9999, echo received 9999
offered_rate_held: client published 8000 of 8000 offered in the window
responses_kept_up: client received 8001 replies to 8000 requests in the window
broker_headroom: broker used 0.06 of its core
host_quiet: 0.23 cores busy outside the client, peer and broker

run 2 · valid

client requests	9,999
C echo received	9,999
C echo replied	9,999
broker received ($SYS)	19,998
broker sent ($SYS)	19,998
client replies	9,999
schedule lag p50 / p99 / max	672 µs / 1,343 µs / 3,911 µs
due in window, never published	1
CPU user / sys per msg	132 µs / 20.0 µs
CPU (share of a core)	15.3 %
threads	2

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9999 from the client; client sent 9999, completed 9999
broker_confirms_deliveries: broker sent 19998; client received 9999, echo received 9999
offered_rate_held: client published 8000 of 8000 offered in the window
responses_kept_up: client received 8000 replies to 8000 requests in the window
broker_headroom: broker used 0.07 of its core
host_quiet: 0.20 cores busy outside the client, peer and broker

run 3 · valid

client requests	9,998
C echo received	9,998
C echo replied	9,998
broker received ($SYS)	19,996
broker sent ($SYS)	19,996
client replies	9,998
schedule lag p50 / p99 / max	672 µs / 1,343 µs / 2,760 µs
due in window, never published	2
CPU user / sys per msg	133 µs / 21.3 µs
CPU (share of a core)	15.4 %
threads	2

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9998 from the client; client sent 9998, completed 9998
broker_confirms_deliveries: broker sent 19996; client received 9998, echo received 9998
offered_rate_held: client published 7999 of 8000 offered in the window
responses_kept_up: client received 7999 replies to 7999 requests in the window
broker_headroom: broker used 0.07 of its core
host_quiet: 0.14 cores busy outside the client, peer and broker

1,494

run 1 · valid

client requests	9,999
C echo received	9,999
C echo replied	9,999
broker received ($SYS)	19,998
broker sent ($SYS)	19,998
client replies	9,999
schedule lag p50 / p99 / max	639 µs / 1,343 µs / 2,683 µs
due in window, never published	1
CPU user / sys per msg	131 µs / 23.8 µs
CPU (share of a core)	15.5 %
threads	2

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9999 from the client; client sent 9999, completed 9999
broker_confirms_deliveries: broker sent 19998; client received 9999, echo received 9999
offered_rate_held: client published 8000 of 8000 offered in the window
responses_kept_up: client received 8001 replies to 8000 requests in the window
broker_headroom: broker used 0.06 of its core
host_quiet: 0.23 cores busy outside the client, peer and broker

run 2 · valid

client requests	9,999
C echo received	9,999
C echo replied	9,999
broker received ($SYS)	19,998
broker sent ($SYS)	19,998
client replies	9,999
schedule lag p50 / p99 / max	672 µs / 1,343 µs / 3,911 µs
due in window, never published	1
CPU user / sys per msg	132 µs / 20.0 µs
CPU (share of a core)	15.3 %
threads	2

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9999 from the client; client sent 9999, completed 9999
broker_confirms_deliveries: broker sent 19998; client received 9999, echo received 9999
offered_rate_held: client published 8000 of 8000 offered in the window
responses_kept_up: client received 8000 replies to 8000 requests in the window
broker_headroom: broker used 0.07 of its core
host_quiet: 0.20 cores busy outside the client, peer and broker

run 3 · valid

client requests	9,998
C echo received	9,998
C echo replied	9,998
broker received ($SYS)	19,996
broker sent ($SYS)	19,996
client replies	9,998
schedule lag p50 / p99 / max	672 µs / 1,343 µs / 2,760 µs
due in window, never published	2
CPU user / sys per msg	133 µs / 21.3 µs
CPU (share of a core)	15.4 %
threads	2

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9998 from the client; client sent 9998, completed 9998
broker_confirms_deliveries: broker sent 19996; client received 9998, echo received 9998
offered_rate_held: client published 7999 of 8000 offered in the window
responses_kept_up: client received 7999 replies to 7999 requests in the window
broker_headroom: broker used 0.07 of its core
host_quiet: 0.14 cores busy outside the client, peer and broker

gmqtt 0.7.0 asyncio

3/3

250 µs

run 1 · valid

client requests	9,999
C echo received	9,999
C echo replied	9,999
broker received ($SYS)	19,998
broker sent ($SYS)	19,998
client replies	9,999
schedule lag p50 / p99 / max	606 µs / 1,343 µs / 2,777 µs
due in window, never published	1
CPU user / sys per msg	114 µs / 41.2 µs
CPU (share of a core)	15.5 %
threads	2

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9999 from the client; client sent 9999, completed 9999
broker_confirms_deliveries: broker sent 19998; client received 9999, echo received 9999
offered_rate_held: client published 8000 of 8000 offered in the window
responses_kept_up: client received 8000 replies to 8000 requests in the window
broker_headroom: broker used 0.06 of its core
host_quiet: 0.19 cores busy outside the client, peer and broker

run 2 · valid

client requests	9,998
C echo received	9,998
C echo replied	9,998
broker received ($SYS)	19,996
broker sent ($SYS)	19,996
client replies	9,998
schedule lag p50 / p99 / max	639 µs / 1,343 µs / 1,772 µs
due in window, never published	2
CPU user / sys per msg	119 µs / 37.5 µs
CPU (share of a core)	15.6 %
threads	2

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9998 from the client; client sent 9998, completed 9998
broker_confirms_deliveries: broker sent 19996; client received 9998, echo received 9998
offered_rate_held: client published 7999 of 8000 offered in the window
responses_kept_up: client received 7999 replies to 7999 requests in the window
broker_headroom: broker used 0.06 of its core
host_quiet: 0.16 cores busy outside the client, peer and broker

run 3 · valid

client requests	9,999
C echo received	9,999
C echo replied	9,999
broker received ($SYS)	19,998
broker sent ($SYS)	19,998
client replies	9,999
schedule lag p50 / p99 / max	606 µs / 1,343 µs / 2,087 µs
due in window, never published	1
CPU user / sys per msg	119 µs / 40.0 µs
CPU (share of a core)	15.9 %
threads	2

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9999 from the client; client sent 9999, completed 9999
broker_confirms_deliveries: broker sent 19998; client received 9999, echo received 9999
offered_rate_held: client published 8000 of 8000 offered in the window
responses_kept_up: client received 8000 replies to 8000 requests in the window
broker_headroom: broker used 0.06 of its core
host_quiet: 0.17 cores busy outside the client, peer and broker

319 µs

run 1 · valid

client requests	9,999
C echo received	9,999
C echo replied	9,999
broker received ($SYS)	19,998
broker sent ($SYS)	19,998
client replies	9,999
schedule lag p50 / p99 / max	606 µs / 1,343 µs / 2,777 µs
due in window, never published	1
CPU user / sys per msg	114 µs / 41.2 µs
CPU (share of a core)	15.5 %
threads	2

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9999 from the client; client sent 9999, completed 9999
broker_confirms_deliveries: broker sent 19998; client received 9999, echo received 9999
offered_rate_held: client published 8000 of 8000 offered in the window
responses_kept_up: client received 8000 replies to 8000 requests in the window
broker_headroom: broker used 0.06 of its core
host_quiet: 0.19 cores busy outside the client, peer and broker

run 2 · valid

client requests	9,998
C echo received	9,998
C echo replied	9,998
broker received ($SYS)	19,996
broker sent ($SYS)	19,996
client replies	9,998
schedule lag p50 / p99 / max	639 µs / 1,343 µs / 1,772 µs
due in window, never published	2
CPU user / sys per msg	119 µs / 37.5 µs
CPU (share of a core)	15.6 %
threads	2

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9998 from the client; client sent 9998, completed 9998
broker_confirms_deliveries: broker sent 19996; client received 9998, echo received 9998
offered_rate_held: client published 7999 of 8000 offered in the window
responses_kept_up: client received 7999 replies to 7999 requests in the window
broker_headroom: broker used 0.06 of its core
host_quiet: 0.16 cores busy outside the client, peer and broker

run 3 · valid

client requests	9,999
C echo received	9,999
C echo replied	9,999
broker received ($SYS)	19,998
broker sent ($SYS)	19,998
client replies	9,999
schedule lag p50 / p99 / max	606 µs / 1,343 µs / 2,087 µs
due in window, never published	1
CPU user / sys per msg	119 µs / 40.0 µs
CPU (share of a core)	15.9 %
threads	2

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9999 from the client; client sent 9999, completed 9999
broker_confirms_deliveries: broker sent 19998; client received 9999, echo received 9999
offered_rate_held: client published 8000 of 8000 offered in the window
responses_kept_up: client received 8000 replies to 8000 requests in the window
broker_headroom: broker used 0.06 of its core
host_quiet: 0.17 cores busy outside the client, peer and broker

1,343 µs

run 1 · valid

client requests	9,999
C echo received	9,999
C echo replied	9,999
broker received ($SYS)	19,998
broker sent ($SYS)	19,998
client replies	9,999
schedule lag p50 / p99 / max	606 µs / 1,343 µs / 2,777 µs
due in window, never published	1
CPU user / sys per msg	114 µs / 41.2 µs
CPU (share of a core)	15.5 %
threads	2

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9999 from the client; client sent 9999, completed 9999
broker_confirms_deliveries: broker sent 19998; client received 9999, echo received 9999
offered_rate_held: client published 8000 of 8000 offered in the window
responses_kept_up: client received 8000 replies to 8000 requests in the window
broker_headroom: broker used 0.06 of its core
host_quiet: 0.19 cores busy outside the client, peer and broker

run 2 · valid

client requests	9,998
C echo received	9,998
C echo replied	9,998
broker received ($SYS)	19,996
broker sent ($SYS)	19,996
client replies	9,998
schedule lag p50 / p99 / max	639 µs / 1,343 µs / 1,772 µs
due in window, never published	2
CPU user / sys per msg	119 µs / 37.5 µs
CPU (share of a core)	15.6 %
threads	2

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9998 from the client; client sent 9998, completed 9998
broker_confirms_deliveries: broker sent 19996; client received 9998, echo received 9998
offered_rate_held: client published 7999 of 8000 offered in the window
responses_kept_up: client received 7999 replies to 7999 requests in the window
broker_headroom: broker used 0.06 of its core
host_quiet: 0.16 cores busy outside the client, peer and broker

run 3 · valid

client requests	9,999
C echo received	9,999
C echo replied	9,999
broker received ($SYS)	19,998
broker sent ($SYS)	19,998
client replies	9,999
schedule lag p50 / p99 / max	606 µs / 1,343 µs / 2,087 µs
due in window, never published	1
CPU user / sys per msg	119 µs / 40.0 µs
CPU (share of a core)	15.9 %
threads	2

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9999 from the client; client sent 9999, completed 9999
broker_confirms_deliveries: broker sent 19998; client received 9999, echo received 9999
offered_rate_held: client published 8000 of 8000 offered in the window
responses_kept_up: client received 8000 replies to 8000 requests in the window
broker_headroom: broker used 0.06 of its core
host_quiet: 0.17 cores busy outside the client, peer and broker

2,951 µs

run 1 · valid

client requests	9,999
C echo received	9,999
C echo replied	9,999
broker received ($SYS)	19,998
broker sent ($SYS)	19,998
client replies	9,999
schedule lag p50 / p99 / max	606 µs / 1,343 µs / 2,777 µs
due in window, never published	1
CPU user / sys per msg	114 µs / 41.2 µs
CPU (share of a core)	15.5 %
threads	2

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9999 from the client; client sent 9999, completed 9999
broker_confirms_deliveries: broker sent 19998; client received 9999, echo received 9999
offered_rate_held: client published 8000 of 8000 offered in the window
responses_kept_up: client received 8000 replies to 8000 requests in the window
broker_headroom: broker used 0.06 of its core
host_quiet: 0.19 cores busy outside the client, peer and broker

run 2 · valid

client requests	9,998
C echo received	9,998
C echo replied	9,998
broker received ($SYS)	19,996
broker sent ($SYS)	19,996
client replies	9,998
schedule lag p50 / p99 / max	639 µs / 1,343 µs / 1,772 µs
due in window, never published	2
CPU user / sys per msg	119 µs / 37.5 µs
CPU (share of a core)	15.6 %
threads	2

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9998 from the client; client sent 9998, completed 9998
broker_confirms_deliveries: broker sent 19996; client received 9998, echo received 9998
offered_rate_held: client published 7999 of 8000 offered in the window
responses_kept_up: client received 7999 replies to 7999 requests in the window
broker_headroom: broker used 0.06 of its core
host_quiet: 0.16 cores busy outside the client, peer and broker

run 3 · valid

client requests	9,999
C echo received	9,999
C echo replied	9,999
broker received ($SYS)	19,998
broker sent ($SYS)	19,998
client replies	9,999
schedule lag p50 / p99 / max	606 µs / 1,343 µs / 2,087 µs
due in window, never published	1
CPU user / sys per msg	119 µs / 40.0 µs
CPU (share of a core)	15.9 %
threads	2

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9999 from the client; client sent 9999, completed 9999
broker_confirms_deliveries: broker sent 19998; client received 9999, echo received 9999
offered_rate_held: client published 8000 of 8000 offered in the window
responses_kept_up: client received 8000 replies to 8000 requests in the window
broker_headroom: broker used 0.06 of its core
host_quiet: 0.17 cores busy outside the client, peer and broker

1,343 µs

run 1 · valid

client requests	9,999
C echo received	9,999
C echo replied	9,999
broker received ($SYS)	19,998
broker sent ($SYS)	19,998
client replies	9,999
schedule lag p50 / p99 / max	606 µs / 1,343 µs / 2,777 µs
due in window, never published	1
CPU user / sys per msg	114 µs / 41.2 µs
CPU (share of a core)	15.5 %
threads	2

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9999 from the client; client sent 9999, completed 9999
broker_confirms_deliveries: broker sent 19998; client received 9999, echo received 9999
offered_rate_held: client published 8000 of 8000 offered in the window
responses_kept_up: client received 8000 replies to 8000 requests in the window
broker_headroom: broker used 0.06 of its core
host_quiet: 0.19 cores busy outside the client, peer and broker

run 2 · valid

client requests	9,998
C echo received	9,998
C echo replied	9,998
broker received ($SYS)	19,996
broker sent ($SYS)	19,996
client replies	9,998
schedule lag p50 / p99 / max	639 µs / 1,343 µs / 1,772 µs
due in window, never published	2
CPU user / sys per msg	119 µs / 37.5 µs
CPU (share of a core)	15.6 %
threads	2

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9998 from the client; client sent 9998, completed 9998
broker_confirms_deliveries: broker sent 19996; client received 9998, echo received 9998
offered_rate_held: client published 7999 of 8000 offered in the window
responses_kept_up: client received 7999 replies to 7999 requests in the window
broker_headroom: broker used 0.06 of its core
host_quiet: 0.16 cores busy outside the client, peer and broker

run 3 · valid

client requests	9,999
C echo received	9,999
C echo replied	9,999
broker received ($SYS)	19,998
broker sent ($SYS)	19,998
client replies	9,999
schedule lag p50 / p99 / max	606 µs / 1,343 µs / 2,087 µs
due in window, never published	1
CPU user / sys per msg	119 µs / 40.0 µs
CPU (share of a core)	15.9 %
threads	2

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9999 from the client; client sent 9999, completed 9999
broker_confirms_deliveries: broker sent 19998; client received 9999, echo received 9999
offered_rate_held: client published 8000 of 8000 offered in the window
responses_kept_up: client received 8000 replies to 8000 requests in the window
broker_headroom: broker used 0.06 of its core
host_quiet: 0.17 cores busy outside the client, peer and broker

156 µs

run 1 · valid

client requests	9,999
C echo received	9,999
C echo replied	9,999
broker received ($SYS)	19,998
broker sent ($SYS)	19,998
client replies	9,999
schedule lag p50 / p99 / max	606 µs / 1,343 µs / 2,777 µs
due in window, never published	1
CPU user / sys per msg	114 µs / 41.2 µs
CPU (share of a core)	15.5 %
threads	2

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9999 from the client; client sent 9999, completed 9999
broker_confirms_deliveries: broker sent 19998; client received 9999, echo received 9999
offered_rate_held: client published 8000 of 8000 offered in the window
responses_kept_up: client received 8000 replies to 8000 requests in the window
broker_headroom: broker used 0.06 of its core
host_quiet: 0.19 cores busy outside the client, peer and broker

run 2 · valid

client requests	9,998
C echo received	9,998
C echo replied	9,998
broker received ($SYS)	19,996
broker sent ($SYS)	19,996
client replies	9,998
schedule lag p50 / p99 / max	639 µs / 1,343 µs / 1,772 µs
due in window, never published	2
CPU user / sys per msg	119 µs / 37.5 µs
CPU (share of a core)	15.6 %
threads	2

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9998 from the client; client sent 9998, completed 9998
broker_confirms_deliveries: broker sent 19996; client received 9998, echo received 9998
offered_rate_held: client published 7999 of 8000 offered in the window
responses_kept_up: client received 7999 replies to 7999 requests in the window
broker_headroom: broker used 0.06 of its core
host_quiet: 0.16 cores busy outside the client, peer and broker

run 3 · valid

client requests	9,999
C echo received	9,999
C echo replied	9,999
broker received ($SYS)	19,998
broker sent ($SYS)	19,998
client replies	9,999
schedule lag p50 / p99 / max	606 µs / 1,343 µs / 2,087 µs
due in window, never published	1
CPU user / sys per msg	119 µs / 40.0 µs
CPU (share of a core)	15.9 %
threads	2

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9999 from the client; client sent 9999, completed 9999
broker_confirms_deliveries: broker sent 19998; client received 9999, echo received 9999
offered_rate_held: client published 8000 of 8000 offered in the window
responses_kept_up: client received 8000 replies to 8000 requests in the window
broker_headroom: broker used 0.06 of its core
host_quiet: 0.17 cores busy outside the client, peer and broker

22.5 MiB

run 1 · valid

client requests	9,999
C echo received	9,999
C echo replied	9,999
broker received ($SYS)	19,998
broker sent ($SYS)	19,998
client replies	9,999
schedule lag p50 / p99 / max	606 µs / 1,343 µs / 2,777 µs
due in window, never published	1
CPU user / sys per msg	114 µs / 41.2 µs
CPU (share of a core)	15.5 %
threads	2

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9999 from the client; client sent 9999, completed 9999
broker_confirms_deliveries: broker sent 19998; client received 9999, echo received 9999
offered_rate_held: client published 8000 of 8000 offered in the window
responses_kept_up: client received 8000 replies to 8000 requests in the window
broker_headroom: broker used 0.06 of its core
host_quiet: 0.19 cores busy outside the client, peer and broker

run 2 · valid

client requests	9,998
C echo received	9,998
C echo replied	9,998
broker received ($SYS)	19,996
broker sent ($SYS)	19,996
client replies	9,998
schedule lag p50 / p99 / max	639 µs / 1,343 µs / 1,772 µs
due in window, never published	2
CPU user / sys per msg	119 µs / 37.5 µs
CPU (share of a core)	15.6 %
threads	2

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9998 from the client; client sent 9998, completed 9998
broker_confirms_deliveries: broker sent 19996; client received 9998, echo received 9998
offered_rate_held: client published 7999 of 8000 offered in the window
responses_kept_up: client received 7999 replies to 7999 requests in the window
broker_headroom: broker used 0.06 of its core
host_quiet: 0.16 cores busy outside the client, peer and broker

run 3 · valid

client requests	9,999
C echo received	9,999
C echo replied	9,999
broker received ($SYS)	19,998
broker sent ($SYS)	19,998
client replies	9,999
schedule lag p50 / p99 / max	606 µs / 1,343 µs / 2,087 µs
due in window, never published	1
CPU user / sys per msg	119 µs / 40.0 µs
CPU (share of a core)	15.9 %
threads	2

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9999 from the client; client sent 9999, completed 9999
broker_confirms_deliveries: broker sent 19998; client received 9999, echo received 9999
offered_rate_held: client published 8000 of 8000 offered in the window
responses_kept_up: client received 8000 replies to 8000 requests in the window
broker_headroom: broker used 0.06 of its core
host_quiet: 0.17 cores busy outside the client, peer and broker

1,507

run 1 · valid

client requests	9,999
C echo received	9,999
C echo replied	9,999
broker received ($SYS)	19,998
broker sent ($SYS)	19,998
client replies	9,999
schedule lag p50 / p99 / max	606 µs / 1,343 µs / 2,777 µs
due in window, never published	1
CPU user / sys per msg	114 µs / 41.2 µs
CPU (share of a core)	15.5 %
threads	2

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9999 from the client; client sent 9999, completed 9999
broker_confirms_deliveries: broker sent 19998; client received 9999, echo received 9999
offered_rate_held: client published 8000 of 8000 offered in the window
responses_kept_up: client received 8000 replies to 8000 requests in the window
broker_headroom: broker used 0.06 of its core
host_quiet: 0.19 cores busy outside the client, peer and broker

run 2 · valid

client requests	9,998
C echo received	9,998
C echo replied	9,998
broker received ($SYS)	19,996
broker sent ($SYS)	19,996
client replies	9,998
schedule lag p50 / p99 / max	639 µs / 1,343 µs / 1,772 µs
due in window, never published	2
CPU user / sys per msg	119 µs / 37.5 µs
CPU (share of a core)	15.6 %
threads	2

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9998 from the client; client sent 9998, completed 9998
broker_confirms_deliveries: broker sent 19996; client received 9998, echo received 9998
offered_rate_held: client published 7999 of 8000 offered in the window
responses_kept_up: client received 7999 replies to 7999 requests in the window
broker_headroom: broker used 0.06 of its core
host_quiet: 0.16 cores busy outside the client, peer and broker

run 3 · valid

client requests	9,999
C echo received	9,999
C echo replied	9,999
broker received ($SYS)	19,998
broker sent ($SYS)	19,998
client replies	9,999
schedule lag p50 / p99 / max	606 µs / 1,343 µs / 2,087 µs
due in window, never published	1
CPU user / sys per msg	119 µs / 40.0 µs
CPU (share of a core)	15.9 %
threads	2

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9999 from the client; client sent 9999, completed 9999
broker_confirms_deliveries: broker sent 19998; client received 9999, echo received 9999
offered_rate_held: client published 8000 of 8000 offered in the window
responses_kept_up: client received 8000 replies to 8000 requests in the window
broker_headroom: broker used 0.06 of its core
host_quiet: 0.17 cores busy outside the client, peer and broker

paho 2.1.0 sync

3/3

287 µs

run 1 · valid

client requests	9,999
C echo received	9,999
C echo replied	9,999
broker received ($SYS)	19,998
broker sent ($SYS)	19,998
client replies	9,999
schedule lag p50 / p99 / max	75.8 µs / 96.3 µs / 1,974 µs
due in window, never published	1
CPU user / sys per msg	184 µs / 32.5 µs
CPU (share of a core)	21.6 %
threads	2

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9999 from the client; client sent 9999, completed 9999
broker_confirms_deliveries: broker sent 19998; client received 9999, echo received 9999
offered_rate_held: client published 8000 of 8000 offered in the window
responses_kept_up: client received 8000 replies to 8000 requests in the window
broker_headroom: broker used 0.06 of its core
host_quiet: 0.00 cores busy outside the client, peer and broker

run 2 · valid

client requests	9,999
C echo received	9,999
C echo replied	9,999
broker received ($SYS)	19,998
broker sent ($SYS)	19,998
client replies	9,999
schedule lag p50 / p99 / max	705 µs / 737 µs / 1,656 µs
due in window, never published	1
CPU user / sys per msg	184 µs / 32.5 µs
CPU (share of a core)	21.6 %
threads	2

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9999 from the client; client sent 9999, completed 9999
broker_confirms_deliveries: broker sent 19998; client received 9999, echo received 9999
offered_rate_held: client published 8000 of 8000 offered in the window
responses_kept_up: client received 8000 replies to 8000 requests in the window
broker_headroom: broker used 0.06 of its core
host_quiet: 0.00 cores busy outside the client, peer and broker

run 3 · valid

client requests	9,999
C echo received	9,999
C echo replied	9,999
broker received ($SYS)	19,998
broker sent ($SYS)	19,998
client replies	9,999
schedule lag p50 / p99 / max	336 µs / 999 µs / 4,245 µs
due in window, never published	1
CPU user / sys per msg	138 µs / 76.2 µs
CPU (share of a core)	21.4 %
threads	2

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9999 from the client; client sent 9999, completed 9999
broker_confirms_deliveries: broker sent 19998; client received 9999, echo received 9999
offered_rate_held: client published 8000 of 8000 offered in the window
responses_kept_up: client received 8000 replies to 8000 requests in the window
broker_headroom: broker used 0.06 of its core
host_quiet: 0.00 cores busy outside the client, peer and broker

385 µs

run 1 · valid

client requests	9,999
C echo received	9,999
C echo replied	9,999
broker received ($SYS)	19,998
broker sent ($SYS)	19,998
client replies	9,999
schedule lag p50 / p99 / max	75.8 µs / 96.3 µs / 1,974 µs
due in window, never published	1
CPU user / sys per msg	184 µs / 32.5 µs
CPU (share of a core)	21.6 %
threads	2

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9999 from the client; client sent 9999, completed 9999
broker_confirms_deliveries: broker sent 19998; client received 9999, echo received 9999
offered_rate_held: client published 8000 of 8000 offered in the window
responses_kept_up: client received 8000 replies to 8000 requests in the window
broker_headroom: broker used 0.06 of its core
host_quiet: 0.00 cores busy outside the client, peer and broker

run 2 · valid

client requests	9,999
C echo received	9,999
C echo replied	9,999
broker received ($SYS)	19,998
broker sent ($SYS)	19,998
client replies	9,999
schedule lag p50 / p99 / max	705 µs / 737 µs / 1,656 µs
due in window, never published	1
CPU user / sys per msg	184 µs / 32.5 µs
CPU (share of a core)	21.6 %
threads	2

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9999 from the client; client sent 9999, completed 9999
broker_confirms_deliveries: broker sent 19998; client received 9999, echo received 9999
offered_rate_held: client published 8000 of 8000 offered in the window
responses_kept_up: client received 8000 replies to 8000 requests in the window
broker_headroom: broker used 0.06 of its core
host_quiet: 0.00 cores busy outside the client, peer and broker

run 3 · valid

client requests	9,999
C echo received	9,999
C echo replied	9,999
broker received ($SYS)	19,998
broker sent ($SYS)	19,998
client replies	9,999
schedule lag p50 / p99 / max	336 µs / 999 µs / 4,245 µs
due in window, never published	1
CPU user / sys per msg	138 µs / 76.2 µs
CPU (share of a core)	21.4 %
threads	2

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9999 from the client; client sent 9999, completed 9999
broker_confirms_deliveries: broker sent 19998; client received 9999, echo received 9999
offered_rate_held: client published 8000 of 8000 offered in the window
responses_kept_up: client received 8000 replies to 8000 requests in the window
broker_headroom: broker used 0.06 of its core
host_quiet: 0.00 cores busy outside the client, peer and broker

1,868 µs

run 1 · valid

client requests	9,999
C echo received	9,999
C echo replied	9,999
broker received ($SYS)	19,998
broker sent ($SYS)	19,998
client replies	9,999
schedule lag p50 / p99 / max	75.8 µs / 96.3 µs / 1,974 µs
due in window, never published	1
CPU user / sys per msg	184 µs / 32.5 µs
CPU (share of a core)	21.6 %
threads	2

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9999 from the client; client sent 9999, completed 9999
broker_confirms_deliveries: broker sent 19998; client received 9999, echo received 9999
offered_rate_held: client published 8000 of 8000 offered in the window
responses_kept_up: client received 8000 replies to 8000 requests in the window
broker_headroom: broker used 0.06 of its core
host_quiet: 0.00 cores busy outside the client, peer and broker

run 2 · valid

client requests	9,999
C echo received	9,999
C echo replied	9,999
broker received ($SYS)	19,998
broker sent ($SYS)	19,998
client replies	9,999
schedule lag p50 / p99 / max	705 µs / 737 µs / 1,656 µs
due in window, never published	1
CPU user / sys per msg	184 µs / 32.5 µs
CPU (share of a core)	21.6 %
threads	2

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9999 from the client; client sent 9999, completed 9999
broker_confirms_deliveries: broker sent 19998; client received 9999, echo received 9999
offered_rate_held: client published 8000 of 8000 offered in the window
responses_kept_up: client received 8000 replies to 8000 requests in the window
broker_headroom: broker used 0.06 of its core
host_quiet: 0.00 cores busy outside the client, peer and broker

run 3 · valid

client requests	9,999
C echo received	9,999
C echo replied	9,999
broker received ($SYS)	19,998
broker sent ($SYS)	19,998
client replies	9,999
schedule lag p50 / p99 / max	336 µs / 999 µs / 4,245 µs
due in window, never published	1
CPU user / sys per msg	138 µs / 76.2 µs
CPU (share of a core)	21.4 %
threads	2

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9999 from the client; client sent 9999, completed 9999
broker_confirms_deliveries: broker sent 19998; client received 9999, echo received 9999
offered_rate_held: client published 8000 of 8000 offered in the window
responses_kept_up: client received 8000 replies to 8000 requests in the window
broker_headroom: broker used 0.06 of its core
host_quiet: 0.00 cores busy outside the client, peer and broker

3,401 µs

run 1 · valid

client requests	9,999
C echo received	9,999
C echo replied	9,999
broker received ($SYS)	19,998
broker sent ($SYS)	19,998
client replies	9,999
schedule lag p50 / p99 / max	75.8 µs / 96.3 µs / 1,974 µs
due in window, never published	1
CPU user / sys per msg	184 µs / 32.5 µs
CPU (share of a core)	21.6 %
threads	2

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9999 from the client; client sent 9999, completed 9999
broker_confirms_deliveries: broker sent 19998; client received 9999, echo received 9999
offered_rate_held: client published 8000 of 8000 offered in the window
responses_kept_up: client received 8000 replies to 8000 requests in the window
broker_headroom: broker used 0.06 of its core
host_quiet: 0.00 cores busy outside the client, peer and broker

run 2 · valid

client requests	9,999
C echo received	9,999
C echo replied	9,999
broker received ($SYS)	19,998
broker sent ($SYS)	19,998
client replies	9,999
schedule lag p50 / p99 / max	705 µs / 737 µs / 1,656 µs
due in window, never published	1
CPU user / sys per msg	184 µs / 32.5 µs
CPU (share of a core)	21.6 %
threads	2

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9999 from the client; client sent 9999, completed 9999
broker_confirms_deliveries: broker sent 19998; client received 9999, echo received 9999
offered_rate_held: client published 8000 of 8000 offered in the window
responses_kept_up: client received 8000 replies to 8000 requests in the window
broker_headroom: broker used 0.06 of its core
host_quiet: 0.00 cores busy outside the client, peer and broker

run 3 · valid

client requests	9,999
C echo received	9,999
C echo replied	9,999
broker received ($SYS)	19,998
broker sent ($SYS)	19,998
client replies	9,999
schedule lag p50 / p99 / max	336 µs / 999 µs / 4,245 µs
due in window, never published	1
CPU user / sys per msg	138 µs / 76.2 µs
CPU (share of a core)	21.4 %
threads	2

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9999 from the client; client sent 9999, completed 9999
broker_confirms_deliveries: broker sent 19998; client received 9999, echo received 9999
offered_rate_held: client published 8000 of 8000 offered in the window
responses_kept_up: client received 8000 replies to 8000 requests in the window
broker_headroom: broker used 0.06 of its core
host_quiet: 0.00 cores busy outside the client, peer and broker

770 µs

run 1 · valid

client requests	9,999
C echo received	9,999
C echo replied	9,999
broker received ($SYS)	19,998
broker sent ($SYS)	19,998
client replies	9,999
schedule lag p50 / p99 / max	75.8 µs / 96.3 µs / 1,974 µs
due in window, never published	1
CPU user / sys per msg	184 µs / 32.5 µs
CPU (share of a core)	21.6 %
threads	2

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9999 from the client; client sent 9999, completed 9999
broker_confirms_deliveries: broker sent 19998; client received 9999, echo received 9999
offered_rate_held: client published 8000 of 8000 offered in the window
responses_kept_up: client received 8000 replies to 8000 requests in the window
broker_headroom: broker used 0.06 of its core
host_quiet: 0.00 cores busy outside the client, peer and broker

run 2 · valid

client requests	9,999
C echo received	9,999
C echo replied	9,999
broker received ($SYS)	19,998
broker sent ($SYS)	19,998
client replies	9,999
schedule lag p50 / p99 / max	705 µs / 737 µs / 1,656 µs
due in window, never published	1
CPU user / sys per msg	184 µs / 32.5 µs
CPU (share of a core)	21.6 %
threads	2

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9999 from the client; client sent 9999, completed 9999
broker_confirms_deliveries: broker sent 19998; client received 9999, echo received 9999
offered_rate_held: client published 8000 of 8000 offered in the window
responses_kept_up: client received 8000 replies to 8000 requests in the window
broker_headroom: broker used 0.06 of its core
host_quiet: 0.00 cores busy outside the client, peer and broker

run 3 · valid

client requests	9,999
C echo received	9,999
C echo replied	9,999
broker received ($SYS)	19,998
broker sent ($SYS)	19,998
client replies	9,999
schedule lag p50 / p99 / max	336 µs / 999 µs / 4,245 µs
due in window, never published	1
CPU user / sys per msg	138 µs / 76.2 µs
CPU (share of a core)	21.4 %
threads	2

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9999 from the client; client sent 9999, completed 9999
broker_confirms_deliveries: broker sent 19998; client received 9999, echo received 9999
offered_rate_held: client published 8000 of 8000 offered in the window
responses_kept_up: client received 8000 replies to 8000 requests in the window
broker_headroom: broker used 0.06 of its core
host_quiet: 0.00 cores busy outside the client, peer and broker

216 µs

run 1 · valid

client requests	9,999
C echo received	9,999
C echo replied	9,999
broker received ($SYS)	19,998
broker sent ($SYS)	19,998
client replies	9,999
schedule lag p50 / p99 / max	75.8 µs / 96.3 µs / 1,974 µs
due in window, never published	1
CPU user / sys per msg	184 µs / 32.5 µs
CPU (share of a core)	21.6 %
threads	2

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9999 from the client; client sent 9999, completed 9999
broker_confirms_deliveries: broker sent 19998; client received 9999, echo received 9999
offered_rate_held: client published 8000 of 8000 offered in the window
responses_kept_up: client received 8000 replies to 8000 requests in the window
broker_headroom: broker used 0.06 of its core
host_quiet: 0.00 cores busy outside the client, peer and broker

run 2 · valid

client requests	9,999
C echo received	9,999
C echo replied	9,999
broker received ($SYS)	19,998
broker sent ($SYS)	19,998
client replies	9,999
schedule lag p50 / p99 / max	705 µs / 737 µs / 1,656 µs
due in window, never published	1
CPU user / sys per msg	184 µs / 32.5 µs
CPU (share of a core)	21.6 %
threads	2

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9999 from the client; client sent 9999, completed 9999
broker_confirms_deliveries: broker sent 19998; client received 9999, echo received 9999
offered_rate_held: client published 8000 of 8000 offered in the window
responses_kept_up: client received 8000 replies to 8000 requests in the window
broker_headroom: broker used 0.06 of its core
host_quiet: 0.00 cores busy outside the client, peer and broker

run 3 · valid

client requests	9,999
C echo received	9,999
C echo replied	9,999
broker received ($SYS)	19,998
broker sent ($SYS)	19,998
client replies	9,999
schedule lag p50 / p99 / max	336 µs / 999 µs / 4,245 µs
due in window, never published	1
CPU user / sys per msg	138 µs / 76.2 µs
CPU (share of a core)	21.4 %
threads	2

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9999 from the client; client sent 9999, completed 9999
broker_confirms_deliveries: broker sent 19998; client received 9999, echo received 9999
offered_rate_held: client published 8000 of 8000 offered in the window
responses_kept_up: client received 8000 replies to 8000 requests in the window
broker_headroom: broker used 0.06 of its core
host_quiet: 0.00 cores busy outside the client, peer and broker

25.9 MiB

run 1 · valid

client requests	9,999
C echo received	9,999
C echo replied	9,999
broker received ($SYS)	19,998
broker sent ($SYS)	19,998
client replies	9,999
schedule lag p50 / p99 / max	75.8 µs / 96.3 µs / 1,974 µs
due in window, never published	1
CPU user / sys per msg	184 µs / 32.5 µs
CPU (share of a core)	21.6 %
threads	2

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9999 from the client; client sent 9999, completed 9999
broker_confirms_deliveries: broker sent 19998; client received 9999, echo received 9999
offered_rate_held: client published 8000 of 8000 offered in the window
responses_kept_up: client received 8000 replies to 8000 requests in the window
broker_headroom: broker used 0.06 of its core
host_quiet: 0.00 cores busy outside the client, peer and broker

run 2 · valid

client requests	9,999
C echo received	9,999
C echo replied	9,999
broker received ($SYS)	19,998
broker sent ($SYS)	19,998
client replies	9,999
schedule lag p50 / p99 / max	705 µs / 737 µs / 1,656 µs
due in window, never published	1
CPU user / sys per msg	184 µs / 32.5 µs
CPU (share of a core)	21.6 %
threads	2

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9999 from the client; client sent 9999, completed 9999
broker_confirms_deliveries: broker sent 19998; client received 9999, echo received 9999
offered_rate_held: client published 8000 of 8000 offered in the window
responses_kept_up: client received 8000 replies to 8000 requests in the window
broker_headroom: broker used 0.06 of its core
host_quiet: 0.00 cores busy outside the client, peer and broker

run 3 · valid

client requests	9,999
C echo received	9,999
C echo replied	9,999
broker received ($SYS)	19,998
broker sent ($SYS)	19,998
client replies	9,999
schedule lag p50 / p99 / max	336 µs / 999 µs / 4,245 µs
due in window, never published	1
CPU user / sys per msg	138 µs / 76.2 µs
CPU (share of a core)	21.4 %
threads	2

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9999 from the client; client sent 9999, completed 9999
broker_confirms_deliveries: broker sent 19998; client received 9999, echo received 9999
offered_rate_held: client published 8000 of 8000 offered in the window
responses_kept_up: client received 8000 replies to 8000 requests in the window
broker_headroom: broker used 0.06 of its core
host_quiet: 0.00 cores busy outside the client, peer and broker

1,000

run 1 · valid

client requests	9,999
C echo received	9,999
C echo replied	9,999
broker received ($SYS)	19,998
broker sent ($SYS)	19,998
client replies	9,999
schedule lag p50 / p99 / max	75.8 µs / 96.3 µs / 1,974 µs
due in window, never published	1
CPU user / sys per msg	184 µs / 32.5 µs
CPU (share of a core)	21.6 %
threads	2

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9999 from the client; client sent 9999, completed 9999
broker_confirms_deliveries: broker sent 19998; client received 9999, echo received 9999
offered_rate_held: client published 8000 of 8000 offered in the window
responses_kept_up: client received 8000 replies to 8000 requests in the window
broker_headroom: broker used 0.06 of its core
host_quiet: 0.00 cores busy outside the client, peer and broker

run 2 · valid

client requests	9,999
C echo received	9,999
C echo replied	9,999
broker received ($SYS)	19,998
broker sent ($SYS)	19,998
client replies	9,999
schedule lag p50 / p99 / max	705 µs / 737 µs / 1,656 µs
due in window, never published	1
CPU user / sys per msg	184 µs / 32.5 µs
CPU (share of a core)	21.6 %
threads	2

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9999 from the client; client sent 9999, completed 9999
broker_confirms_deliveries: broker sent 19998; client received 9999, echo received 9999
offered_rate_held: client published 8000 of 8000 offered in the window
responses_kept_up: client received 8000 replies to 8000 requests in the window
broker_headroom: broker used 0.06 of its core
host_quiet: 0.00 cores busy outside the client, peer and broker

run 3 · valid

client requests	9,999
C echo received	9,999
C echo replied	9,999
broker received ($SYS)	19,998
broker sent ($SYS)	19,998
client replies	9,999
schedule lag p50 / p99 / max	336 µs / 999 µs / 4,245 µs
due in window, never published	1
CPU user / sys per msg	138 µs / 76.2 µs
CPU (share of a core)	21.4 %
threads	2

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9999 from the client; client sent 9999, completed 9999
broker_confirms_deliveries: broker sent 19998; client received 9999, echo received 9999
offered_rate_held: client published 8000 of 8000 offered in the window
responses_kept_up: client received 8000 replies to 8000 requests in the window
broker_headroom: broker used 0.06 of its core
host_quiet: 0.00 cores busy outside the client, peer and broker

zmqtt 0.2.4 asyncio experimental

3/3

573 µs

run 1 · valid

client requests	9,998
C echo received	9,998
C echo replied	9,998
broker received ($SYS)	19,996
broker sent ($SYS)	19,996
client replies	9,998
schedule lag p50 / p99 / max	737 µs / 1,802 µs / 1,999 µs
due in window, never published	2
CPU user / sys per msg	483 µs / 45.0 µs
CPU (share of a core)	52.7 %
threads	3

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9998 from the client; client sent 9998, completed 9998
broker_confirms_deliveries: broker sent 19996; client received 9998, echo received 9998
offered_rate_held: client published 7999 of 8001 offered in the window
responses_kept_up: client received 8000 replies to 7999 requests in the window
broker_headroom: broker used 0.07 of its core
host_quiet: 0.27 cores busy outside the client, peer and broker

run 2 · valid

client requests	9,998
C echo received	9,998
C echo replied	9,998
broker received ($SYS)	19,996
broker sent ($SYS)	19,996
client replies	9,998
schedule lag p50 / p99 / max	770 µs / 1,802 µs / 3,725 µs
due in window, never published	2
CPU user / sys per msg	464 µs / 48.8 µs
CPU (share of a core)	51.3 %
threads	2

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9998 from the client; client sent 9998, completed 9998
broker_confirms_deliveries: broker sent 19996; client received 9998, echo received 9998
offered_rate_held: client published 7999 of 8000 offered in the window
responses_kept_up: client received 8000 replies to 7999 requests in the window
broker_headroom: broker used 0.07 of its core
host_quiet: 0.27 cores busy outside the client, peer and broker

run 3 · valid

client requests	9,999
C echo received	9,999
C echo replied	9,999
broker received ($SYS)	19,998
broker sent ($SYS)	19,998
client replies	9,999
schedule lag p50 / p99 / max	934 µs / 1,933 µs / 2,379 µs
due in window, never published	1
CPU user / sys per msg	461 µs / 45.0 µs
CPU (share of a core)	50.6 %
threads	2

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9999 from the client; client sent 9999, completed 9999
broker_confirms_deliveries: broker sent 19998; client received 9999, echo received 9999
offered_rate_held: client published 8001 of 8000 offered in the window
responses_kept_up: client received 8001 replies to 8001 requests in the window
broker_headroom: broker used 0.06 of its core
host_quiet: 0.18 cores busy outside the client, peer and broker

1,868 µs

run 1 · valid

client requests	9,998
C echo received	9,998
C echo replied	9,998
broker received ($SYS)	19,996
broker sent ($SYS)	19,996
client replies	9,998
schedule lag p50 / p99 / max	737 µs / 1,802 µs / 1,999 µs
due in window, never published	2
CPU user / sys per msg	483 µs / 45.0 µs
CPU (share of a core)	52.7 %
threads	3

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9998 from the client; client sent 9998, completed 9998
broker_confirms_deliveries: broker sent 19996; client received 9998, echo received 9998
offered_rate_held: client published 7999 of 8001 offered in the window
responses_kept_up: client received 8000 replies to 7999 requests in the window
broker_headroom: broker used 0.07 of its core
host_quiet: 0.27 cores busy outside the client, peer and broker

run 2 · valid

client requests	9,998
C echo received	9,998
C echo replied	9,998
broker received ($SYS)	19,996
broker sent ($SYS)	19,996
client replies	9,998
schedule lag p50 / p99 / max	770 µs / 1,802 µs / 3,725 µs
due in window, never published	2
CPU user / sys per msg	464 µs / 48.8 µs
CPU (share of a core)	51.3 %
threads	2

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9998 from the client; client sent 9998, completed 9998
broker_confirms_deliveries: broker sent 19996; client received 9998, echo received 9998
offered_rate_held: client published 7999 of 8000 offered in the window
responses_kept_up: client received 8000 replies to 7999 requests in the window
broker_headroom: broker used 0.07 of its core
host_quiet: 0.27 cores busy outside the client, peer and broker

run 3 · valid

client requests	9,999
C echo received	9,999
C echo replied	9,999
broker received ($SYS)	19,998
broker sent ($SYS)	19,998
client replies	9,999
schedule lag p50 / p99 / max	934 µs / 1,933 µs / 2,379 µs
due in window, never published	1
CPU user / sys per msg	461 µs / 45.0 µs
CPU (share of a core)	50.6 %
threads	2

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9999 from the client; client sent 9999, completed 9999
broker_confirms_deliveries: broker sent 19998; client received 9999, echo received 9999
offered_rate_held: client published 8001 of 8000 offered in the window
responses_kept_up: client received 8001 replies to 8001 requests in the window
broker_headroom: broker used 0.06 of its core
host_quiet: 0.18 cores busy outside the client, peer and broker

5,112 µs

run 1 · valid

client requests	9,998
C echo received	9,998
C echo replied	9,998
broker received ($SYS)	19,996
broker sent ($SYS)	19,996
client replies	9,998
schedule lag p50 / p99 / max	737 µs / 1,802 µs / 1,999 µs
due in window, never published	2
CPU user / sys per msg	483 µs / 45.0 µs
CPU (share of a core)	52.7 %
threads	3

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9998 from the client; client sent 9998, completed 9998
broker_confirms_deliveries: broker sent 19996; client received 9998, echo received 9998
offered_rate_held: client published 7999 of 8001 offered in the window
responses_kept_up: client received 8000 replies to 7999 requests in the window
broker_headroom: broker used 0.07 of its core
host_quiet: 0.27 cores busy outside the client, peer and broker

run 2 · valid

client requests	9,998
C echo received	9,998
C echo replied	9,998
broker received ($SYS)	19,996
broker sent ($SYS)	19,996
client replies	9,998
schedule lag p50 / p99 / max	770 µs / 1,802 µs / 3,725 µs
due in window, never published	2
CPU user / sys per msg	464 µs / 48.8 µs
CPU (share of a core)	51.3 %
threads	2

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9998 from the client; client sent 9998, completed 9998
broker_confirms_deliveries: broker sent 19996; client received 9998, echo received 9998
offered_rate_held: client published 7999 of 8000 offered in the window
responses_kept_up: client received 8000 replies to 7999 requests in the window
broker_headroom: broker used 0.07 of its core
host_quiet: 0.27 cores busy outside the client, peer and broker

run 3 · valid

client requests	9,999
C echo received	9,999
C echo replied	9,999
broker received ($SYS)	19,998
broker sent ($SYS)	19,998
client replies	9,999
schedule lag p50 / p99 / max	934 µs / 1,933 µs / 2,379 µs
due in window, never published	1
CPU user / sys per msg	461 µs / 45.0 µs
CPU (share of a core)	50.6 %
threads	2

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9999 from the client; client sent 9999, completed 9999
broker_confirms_deliveries: broker sent 19998; client received 9999, echo received 9999
offered_rate_held: client published 8001 of 8000 offered in the window
responses_kept_up: client received 8001 replies to 8001 requests in the window
broker_headroom: broker used 0.06 of its core
host_quiet: 0.18 cores busy outside the client, peer and broker

7,305 µs

run 1 · valid

client requests	9,998
C echo received	9,998
C echo replied	9,998
broker received ($SYS)	19,996
broker sent ($SYS)	19,996
client replies	9,998
schedule lag p50 / p99 / max	737 µs / 1,802 µs / 1,999 µs
due in window, never published	2
CPU user / sys per msg	483 µs / 45.0 µs
CPU (share of a core)	52.7 %
threads	3

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9998 from the client; client sent 9998, completed 9998
broker_confirms_deliveries: broker sent 19996; client received 9998, echo received 9998
offered_rate_held: client published 7999 of 8001 offered in the window
responses_kept_up: client received 8000 replies to 7999 requests in the window
broker_headroom: broker used 0.07 of its core
host_quiet: 0.27 cores busy outside the client, peer and broker

run 2 · valid

client requests	9,998
C echo received	9,998
C echo replied	9,998
broker received ($SYS)	19,996
broker sent ($SYS)	19,996
client replies	9,998
schedule lag p50 / p99 / max	770 µs / 1,802 µs / 3,725 µs
due in window, never published	2
CPU user / sys per msg	464 µs / 48.8 µs
CPU (share of a core)	51.3 %
threads	2

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9998 from the client; client sent 9998, completed 9998
broker_confirms_deliveries: broker sent 19996; client received 9998, echo received 9998
offered_rate_held: client published 7999 of 8000 offered in the window
responses_kept_up: client received 8000 replies to 7999 requests in the window
broker_headroom: broker used 0.07 of its core
host_quiet: 0.27 cores busy outside the client, peer and broker

run 3 · valid

client requests	9,999
C echo received	9,999
C echo replied	9,999
broker received ($SYS)	19,998
broker sent ($SYS)	19,998
client replies	9,999
schedule lag p50 / p99 / max	934 µs / 1,933 µs / 2,379 µs
due in window, never published	1
CPU user / sys per msg	461 µs / 45.0 µs
CPU (share of a core)	50.6 %
threads	2

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9999 from the client; client sent 9999, completed 9999
broker_confirms_deliveries: broker sent 19998; client received 9999, echo received 9999
offered_rate_held: client published 8001 of 8000 offered in the window
responses_kept_up: client received 8001 replies to 8001 requests in the window
broker_headroom: broker used 0.06 of its core
host_quiet: 0.18 cores busy outside the client, peer and broker

1,868 µs

run 1 · valid

client requests	9,998
C echo received	9,998
C echo replied	9,998
broker received ($SYS)	19,996
broker sent ($SYS)	19,996
client replies	9,998
schedule lag p50 / p99 / max	737 µs / 1,802 µs / 1,999 µs
due in window, never published	2
CPU user / sys per msg	483 µs / 45.0 µs
CPU (share of a core)	52.7 %
threads	3

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9998 from the client; client sent 9998, completed 9998
broker_confirms_deliveries: broker sent 19996; client received 9998, echo received 9998
offered_rate_held: client published 7999 of 8001 offered in the window
responses_kept_up: client received 8000 replies to 7999 requests in the window
broker_headroom: broker used 0.07 of its core
host_quiet: 0.27 cores busy outside the client, peer and broker

run 2 · valid

client requests	9,998
C echo received	9,998
C echo replied	9,998
broker received ($SYS)	19,996
broker sent ($SYS)	19,996
client replies	9,998
schedule lag p50 / p99 / max	770 µs / 1,802 µs / 3,725 µs
due in window, never published	2
CPU user / sys per msg	464 µs / 48.8 µs
CPU (share of a core)	51.3 %
threads	2

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9998 from the client; client sent 9998, completed 9998
broker_confirms_deliveries: broker sent 19996; client received 9998, echo received 9998
offered_rate_held: client published 7999 of 8000 offered in the window
responses_kept_up: client received 8000 replies to 7999 requests in the window
broker_headroom: broker used 0.07 of its core
host_quiet: 0.27 cores busy outside the client, peer and broker

run 3 · valid

client requests	9,999
C echo received	9,999
C echo replied	9,999
broker received ($SYS)	19,998
broker sent ($SYS)	19,998
client replies	9,999
schedule lag p50 / p99 / max	934 µs / 1,933 µs / 2,379 µs
due in window, never published	1
CPU user / sys per msg	461 µs / 45.0 µs
CPU (share of a core)	50.6 %
threads	2

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9999 from the client; client sent 9999, completed 9999
broker_confirms_deliveries: broker sent 19998; client received 9999, echo received 9999
offered_rate_held: client published 8001 of 8000 offered in the window
responses_kept_up: client received 8001 replies to 8001 requests in the window
broker_headroom: broker used 0.06 of its core
host_quiet: 0.18 cores busy outside the client, peer and broker

513 µs

run 1 · valid

client requests	9,998
C echo received	9,998
C echo replied	9,998
broker received ($SYS)	19,996
broker sent ($SYS)	19,996
client replies	9,998
schedule lag p50 / p99 / max	737 µs / 1,802 µs / 1,999 µs
due in window, never published	2
CPU user / sys per msg	483 µs / 45.0 µs
CPU (share of a core)	52.7 %
threads	3

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9998 from the client; client sent 9998, completed 9998
broker_confirms_deliveries: broker sent 19996; client received 9998, echo received 9998
offered_rate_held: client published 7999 of 8001 offered in the window
responses_kept_up: client received 8000 replies to 7999 requests in the window
broker_headroom: broker used 0.07 of its core
host_quiet: 0.27 cores busy outside the client, peer and broker

run 2 · valid

client requests	9,998
C echo received	9,998
C echo replied	9,998
broker received ($SYS)	19,996
broker sent ($SYS)	19,996
client replies	9,998
schedule lag p50 / p99 / max	770 µs / 1,802 µs / 3,725 µs
due in window, never published	2
CPU user / sys per msg	464 µs / 48.8 µs
CPU (share of a core)	51.3 %
threads	2

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9998 from the client; client sent 9998, completed 9998
broker_confirms_deliveries: broker sent 19996; client received 9998, echo received 9998
offered_rate_held: client published 7999 of 8000 offered in the window
responses_kept_up: client received 8000 replies to 7999 requests in the window
broker_headroom: broker used 0.07 of its core
host_quiet: 0.27 cores busy outside the client, peer and broker

run 3 · valid

client requests	9,999
C echo received	9,999
C echo replied	9,999
broker received ($SYS)	19,998
broker sent ($SYS)	19,998
client replies	9,999
schedule lag p50 / p99 / max	934 µs / 1,933 µs / 2,379 µs
due in window, never published	1
CPU user / sys per msg	461 µs / 45.0 µs
CPU (share of a core)	50.6 %
threads	2

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9999 from the client; client sent 9999, completed 9999
broker_confirms_deliveries: broker sent 19998; client received 9999, echo received 9999
offered_rate_held: client published 8001 of 8000 offered in the window
responses_kept_up: client received 8001 replies to 8001 requests in the window
broker_headroom: broker used 0.06 of its core
host_quiet: 0.18 cores busy outside the client, peer and broker

25.9 MiB

run 1 · valid

client requests	9,998
C echo received	9,998
C echo replied	9,998
broker received ($SYS)	19,996
broker sent ($SYS)	19,996
client replies	9,998
schedule lag p50 / p99 / max	737 µs / 1,802 µs / 1,999 µs
due in window, never published	2
CPU user / sys per msg	483 µs / 45.0 µs
CPU (share of a core)	52.7 %
threads	3

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9998 from the client; client sent 9998, completed 9998
broker_confirms_deliveries: broker sent 19996; client received 9998, echo received 9998
offered_rate_held: client published 7999 of 8001 offered in the window
responses_kept_up: client received 8000 replies to 7999 requests in the window
broker_headroom: broker used 0.07 of its core
host_quiet: 0.27 cores busy outside the client, peer and broker

run 2 · valid

client requests	9,998
C echo received	9,998
C echo replied	9,998
broker received ($SYS)	19,996
broker sent ($SYS)	19,996
client replies	9,998
schedule lag p50 / p99 / max	770 µs / 1,802 µs / 3,725 µs
due in window, never published	2
CPU user / sys per msg	464 µs / 48.8 µs
CPU (share of a core)	51.3 %
threads	2

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9998 from the client; client sent 9998, completed 9998
broker_confirms_deliveries: broker sent 19996; client received 9998, echo received 9998
offered_rate_held: client published 7999 of 8000 offered in the window
responses_kept_up: client received 8000 replies to 7999 requests in the window
broker_headroom: broker used 0.07 of its core
host_quiet: 0.27 cores busy outside the client, peer and broker

run 3 · valid

client requests	9,999
C echo received	9,999
C echo replied	9,999
broker received ($SYS)	19,998
broker sent ($SYS)	19,998
client replies	9,999
schedule lag p50 / p99 / max	934 µs / 1,933 µs / 2,379 µs
due in window, never published	1
CPU user / sys per msg	461 µs / 45.0 µs
CPU (share of a core)	50.6 %
threads	2

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9999 from the client; client sent 9999, completed 9999
broker_confirms_deliveries: broker sent 19998; client received 9999, echo received 9999
offered_rate_held: client published 8001 of 8000 offered in the window
responses_kept_up: client received 8001 replies to 8001 requests in the window
broker_headroom: broker used 0.06 of its core
host_quiet: 0.18 cores busy outside the client, peer and broker

462

run 1 · valid

client requests	9,998
C echo received	9,998
C echo replied	9,998
broker received ($SYS)	19,996
broker sent ($SYS)	19,996
client replies	9,998
schedule lag p50 / p99 / max	737 µs / 1,802 µs / 1,999 µs
due in window, never published	2
CPU user / sys per msg	483 µs / 45.0 µs
CPU (share of a core)	52.7 %
threads	3

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9998 from the client; client sent 9998, completed 9998
broker_confirms_deliveries: broker sent 19996; client received 9998, echo received 9998
offered_rate_held: client published 7999 of 8001 offered in the window
responses_kept_up: client received 8000 replies to 7999 requests in the window
broker_headroom: broker used 0.07 of its core
host_quiet: 0.27 cores busy outside the client, peer and broker

run 2 · valid

client requests	9,998
C echo received	9,998
C echo replied	9,998
broker received ($SYS)	19,996
broker sent ($SYS)	19,996
client replies	9,998
schedule lag p50 / p99 / max	770 µs / 1,802 µs / 3,725 µs
due in window, never published	2
CPU user / sys per msg	464 µs / 48.8 µs
CPU (share of a core)	51.3 %
threads	2

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9998 from the client; client sent 9998, completed 9998
broker_confirms_deliveries: broker sent 19996; client received 9998, echo received 9998
offered_rate_held: client published 7999 of 8000 offered in the window
responses_kept_up: client received 8000 replies to 7999 requests in the window
broker_headroom: broker used 0.07 of its core
host_quiet: 0.27 cores busy outside the client, peer and broker

run 3 · valid

client requests	9,999
C echo received	9,999
C echo replied	9,999
broker received ($SYS)	19,998
broker sent ($SYS)	19,998
client replies	9,999
schedule lag p50 / p99 / max	934 µs / 1,933 µs / 2,379 µs
due in window, never published	1
CPU user / sys per msg	461 µs / 45.0 µs
CPU (share of a core)	50.6 %
threads	2

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9999 from the client; client sent 9999, completed 9999
broker_confirms_deliveries: broker sent 19998; client received 9999, echo received 9999
offered_rate_held: client published 8001 of 8000 offered in the window
responses_kept_up: client received 8001 replies to 8001 requests in the window
broker_headroom: broker used 0.06 of its core
host_quiet: 0.18 cores busy outside the client, peer and broker

amqtt 0.12.1 asyncio

3/3

639 µs

run 1 · valid

client requests	9,999
C echo received	9,999
C echo replied	9,999
broker received ($SYS)	19,998
broker sent ($SYS)	19,998
client replies	9,999
schedule lag p50 / p99 / max	934 µs / 1,933 µs / 3,466 µs
due in window, never published	1
CPU user / sys per msg	467 µs / 37.5 µs
CPU (share of a core)	50.5 %
threads	2

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9999 from the client; client sent 9999, completed 9999
broker_confirms_deliveries: broker sent 19998; client received 9999, echo received 9999
offered_rate_held: client published 8001 of 8000 offered in the window
responses_kept_up: client received 8001 replies to 8001 requests in the window
broker_headroom: broker used 0.06 of its core
host_quiet: 0.09 cores busy outside the client, peer and broker

run 2 · valid

client requests	9,998
C echo received	9,998
C echo replied	9,998
broker received ($SYS)	19,996
broker sent ($SYS)	19,996
client replies	9,998
schedule lag p50 / p99 / max	934 µs / 1,933 µs / 4,080 µs
due in window, never published	2
CPU user / sys per msg	450 µs / 46.3 µs
CPU (share of a core)	49.6 %
threads	2

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9998 from the client; client sent 9998, completed 9998
broker_confirms_deliveries: broker sent 19996; client received 9998, echo received 9998
offered_rate_held: client published 7999 of 8000 offered in the window
responses_kept_up: client received 8000 replies to 7999 requests in the window
broker_headroom: broker used 0.06 of its core
host_quiet: 0.18 cores busy outside the client, peer and broker

run 3 · valid

client requests	9,998
C echo received	9,998
C echo replied	9,998
broker received ($SYS)	19,996
broker sent ($SYS)	19,996
client replies	9,998
schedule lag p50 / p99 / max	967 µs / 1,868 µs / 2,102 µs
due in window, never published	2
CPU user / sys per msg	469 µs / 18.8 µs
CPU (share of a core)	48.7 %
threads	3

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9998 from the client; client sent 9998, completed 9998
broker_confirms_deliveries: broker sent 19996; client received 9998, echo received 9998
offered_rate_held: client published 7999 of 8001 offered in the window
responses_kept_up: client received 7999 replies to 7999 requests in the window
broker_headroom: broker used 0.07 of its core
host_quiet: 0.17 cores busy outside the client, peer and broker

1,671 µs

run 1 · valid

client requests	9,999
C echo received	9,999
C echo replied	9,999
broker received ($SYS)	19,998
broker sent ($SYS)	19,998
client replies	9,999
schedule lag p50 / p99 / max	934 µs / 1,933 µs / 3,466 µs
due in window, never published	1
CPU user / sys per msg	467 µs / 37.5 µs
CPU (share of a core)	50.5 %
threads	2

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9999 from the client; client sent 9999, completed 9999
broker_confirms_deliveries: broker sent 19998; client received 9999, echo received 9999
offered_rate_held: client published 8001 of 8000 offered in the window
responses_kept_up: client received 8001 replies to 8001 requests in the window
broker_headroom: broker used 0.06 of its core
host_quiet: 0.09 cores busy outside the client, peer and broker

run 2 · valid

client requests	9,998
C echo received	9,998
C echo replied	9,998
broker received ($SYS)	19,996
broker sent ($SYS)	19,996
client replies	9,998
schedule lag p50 / p99 / max	934 µs / 1,933 µs / 4,080 µs
due in window, never published	2
CPU user / sys per msg	450 µs / 46.3 µs
CPU (share of a core)	49.6 %
threads	2

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9998 from the client; client sent 9998, completed 9998
broker_confirms_deliveries: broker sent 19996; client received 9998, echo received 9998
offered_rate_held: client published 7999 of 8000 offered in the window
responses_kept_up: client received 8000 replies to 7999 requests in the window
broker_headroom: broker used 0.06 of its core
host_quiet: 0.18 cores busy outside the client, peer and broker

run 3 · valid

client requests	9,998
C echo received	9,998
C echo replied	9,998
broker received ($SYS)	19,996
broker sent ($SYS)	19,996
client replies	9,998
schedule lag p50 / p99 / max	967 µs / 1,868 µs / 2,102 µs
due in window, never published	2
CPU user / sys per msg	469 µs / 18.8 µs
CPU (share of a core)	48.7 %
threads	3

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9998 from the client; client sent 9998, completed 9998
broker_confirms_deliveries: broker sent 19996; client received 9998, echo received 9998
offered_rate_held: client published 7999 of 8001 offered in the window
responses_kept_up: client received 7999 replies to 7999 requests in the window
broker_headroom: broker used 0.07 of its core
host_quiet: 0.17 cores busy outside the client, peer and broker

2,818 µs

run 1 · valid

client requests	9,999
C echo received	9,999
C echo replied	9,999
broker received ($SYS)	19,998
broker sent ($SYS)	19,998
client replies	9,999
schedule lag p50 / p99 / max	934 µs / 1,933 µs / 3,466 µs
due in window, never published	1
CPU user / sys per msg	467 µs / 37.5 µs
CPU (share of a core)	50.5 %
threads	2

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9999 from the client; client sent 9999, completed 9999
broker_confirms_deliveries: broker sent 19998; client received 9999, echo received 9999
offered_rate_held: client published 8001 of 8000 offered in the window
responses_kept_up: client received 8001 replies to 8001 requests in the window
broker_headroom: broker used 0.06 of its core
host_quiet: 0.09 cores busy outside the client, peer and broker

run 2 · valid

client requests	9,998
C echo received	9,998
C echo replied	9,998
broker received ($SYS)	19,996
broker sent ($SYS)	19,996
client replies	9,998
schedule lag p50 / p99 / max	934 µs / 1,933 µs / 4,080 µs
due in window, never published	2
CPU user / sys per msg	450 µs / 46.3 µs
CPU (share of a core)	49.6 %
threads	2

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9998 from the client; client sent 9998, completed 9998
broker_confirms_deliveries: broker sent 19996; client received 9998, echo received 9998
offered_rate_held: client published 7999 of 8000 offered in the window
responses_kept_up: client received 8000 replies to 7999 requests in the window
broker_headroom: broker used 0.06 of its core
host_quiet: 0.18 cores busy outside the client, peer and broker

run 3 · valid

client requests	9,998
C echo received	9,998
C echo replied	9,998
broker received ($SYS)	19,996
broker sent ($SYS)	19,996
client replies	9,998
schedule lag p50 / p99 / max	967 µs / 1,868 µs / 2,102 µs
due in window, never published	2
CPU user / sys per msg	469 µs / 18.8 µs
CPU (share of a core)	48.7 %
threads	3

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9998 from the client; client sent 9998, completed 9998
broker_confirms_deliveries: broker sent 19996; client received 9998, echo received 9998
offered_rate_held: client published 7999 of 8001 offered in the window
responses_kept_up: client received 7999 replies to 7999 requests in the window
broker_headroom: broker used 0.07 of its core
host_quiet: 0.17 cores busy outside the client, peer and broker

4,976 µs

run 1 · valid

client requests	9,999
C echo received	9,999
C echo replied	9,999
broker received ($SYS)	19,998
broker sent ($SYS)	19,998
client replies	9,999
schedule lag p50 / p99 / max	934 µs / 1,933 µs / 3,466 µs
due in window, never published	1
CPU user / sys per msg	467 µs / 37.5 µs
CPU (share of a core)	50.5 %
threads	2

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9999 from the client; client sent 9999, completed 9999
broker_confirms_deliveries: broker sent 19998; client received 9999, echo received 9999
offered_rate_held: client published 8001 of 8000 offered in the window
responses_kept_up: client received 8001 replies to 8001 requests in the window
broker_headroom: broker used 0.06 of its core
host_quiet: 0.09 cores busy outside the client, peer and broker

run 2 · valid

client requests	9,998
C echo received	9,998
C echo replied	9,998
broker received ($SYS)	19,996
broker sent ($SYS)	19,996
client replies	9,998
schedule lag p50 / p99 / max	934 µs / 1,933 µs / 4,080 µs
due in window, never published	2
CPU user / sys per msg	450 µs / 46.3 µs
CPU (share of a core)	49.6 %
threads	2

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9998 from the client; client sent 9998, completed 9998
broker_confirms_deliveries: broker sent 19996; client received 9998, echo received 9998
offered_rate_held: client published 7999 of 8000 offered in the window
responses_kept_up: client received 8000 replies to 7999 requests in the window
broker_headroom: broker used 0.06 of its core
host_quiet: 0.18 cores busy outside the client, peer and broker

run 3 · valid

client requests	9,998
C echo received	9,998
C echo replied	9,998
broker received ($SYS)	19,996
broker sent ($SYS)	19,996
client replies	9,998
schedule lag p50 / p99 / max	967 µs / 1,868 µs / 2,102 µs
due in window, never published	2
CPU user / sys per msg	469 µs / 18.8 µs
CPU (share of a core)	48.7 %
threads	3

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9998 from the client; client sent 9998, completed 9998
broker_confirms_deliveries: broker sent 19996; client received 9998, echo received 9998
offered_rate_held: client published 7999 of 8001 offered in the window
responses_kept_up: client received 7999 replies to 7999 requests in the window
broker_headroom: broker used 0.07 of its core
host_quiet: 0.17 cores busy outside the client, peer and broker

1,933 µs

run 1 · valid

client requests	9,999
C echo received	9,999
C echo replied	9,999
broker received ($SYS)	19,998
broker sent ($SYS)	19,998
client replies	9,999
schedule lag p50 / p99 / max	934 µs / 1,933 µs / 3,466 µs
due in window, never published	1
CPU user / sys per msg	467 µs / 37.5 µs
CPU (share of a core)	50.5 %
threads	2

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9999 from the client; client sent 9999, completed 9999
broker_confirms_deliveries: broker sent 19998; client received 9999, echo received 9999
offered_rate_held: client published 8001 of 8000 offered in the window
responses_kept_up: client received 8001 replies to 8001 requests in the window
broker_headroom: broker used 0.06 of its core
host_quiet: 0.09 cores busy outside the client, peer and broker

run 2 · valid

client requests	9,998
C echo received	9,998
C echo replied	9,998
broker received ($SYS)	19,996
broker sent ($SYS)	19,996
client replies	9,998
schedule lag p50 / p99 / max	934 µs / 1,933 µs / 4,080 µs
due in window, never published	2
CPU user / sys per msg	450 µs / 46.3 µs
CPU (share of a core)	49.6 %
threads	2

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9998 from the client; client sent 9998, completed 9998
broker_confirms_deliveries: broker sent 19996; client received 9998, echo received 9998
offered_rate_held: client published 7999 of 8000 offered in the window
responses_kept_up: client received 8000 replies to 7999 requests in the window
broker_headroom: broker used 0.06 of its core
host_quiet: 0.18 cores busy outside the client, peer and broker

run 3 · valid

client requests	9,998
C echo received	9,998
C echo replied	9,998
broker received ($SYS)	19,996
broker sent ($SYS)	19,996
client replies	9,998
schedule lag p50 / p99 / max	967 µs / 1,868 µs / 2,102 µs
due in window, never published	2
CPU user / sys per msg	469 µs / 18.8 µs
CPU (share of a core)	48.7 %
threads	3

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9998 from the client; client sent 9998, completed 9998
broker_confirms_deliveries: broker sent 19996; client received 9998, echo received 9998
offered_rate_held: client published 7999 of 8001 offered in the window
responses_kept_up: client received 7999 replies to 7999 requests in the window
broker_headroom: broker used 0.07 of its core
host_quiet: 0.17 cores busy outside the client, peer and broker

496 µs

run 1 · valid

client requests	9,999
C echo received	9,999
C echo replied	9,999
broker received ($SYS)	19,998
broker sent ($SYS)	19,998
client replies	9,999
schedule lag p50 / p99 / max	934 µs / 1,933 µs / 3,466 µs
due in window, never published	1
CPU user / sys per msg	467 µs / 37.5 µs
CPU (share of a core)	50.5 %
threads	2

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9999 from the client; client sent 9999, completed 9999
broker_confirms_deliveries: broker sent 19998; client received 9999, echo received 9999
offered_rate_held: client published 8001 of 8000 offered in the window
responses_kept_up: client received 8001 replies to 8001 requests in the window
broker_headroom: broker used 0.06 of its core
host_quiet: 0.09 cores busy outside the client, peer and broker

run 2 · valid

client requests	9,998
C echo received	9,998
C echo replied	9,998
broker received ($SYS)	19,996
broker sent ($SYS)	19,996
client replies	9,998
schedule lag p50 / p99 / max	934 µs / 1,933 µs / 4,080 µs
due in window, never published	2
CPU user / sys per msg	450 µs / 46.3 µs
CPU (share of a core)	49.6 %
threads	2

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9998 from the client; client sent 9998, completed 9998
broker_confirms_deliveries: broker sent 19996; client received 9998, echo received 9998
offered_rate_held: client published 7999 of 8000 offered in the window
responses_kept_up: client received 8000 replies to 7999 requests in the window
broker_headroom: broker used 0.06 of its core
host_quiet: 0.18 cores busy outside the client, peer and broker

run 3 · valid

client requests	9,998
C echo received	9,998
C echo replied	9,998
broker received ($SYS)	19,996
broker sent ($SYS)	19,996
client replies	9,998
schedule lag p50 / p99 / max	967 µs / 1,868 µs / 2,102 µs
due in window, never published	2
CPU user / sys per msg	469 µs / 18.8 µs
CPU (share of a core)	48.7 %
threads	3

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9998 from the client; client sent 9998, completed 9998
broker_confirms_deliveries: broker sent 19996; client received 9998, echo received 9998
offered_rate_held: client published 7999 of 8001 offered in the window
responses_kept_up: client received 7999 replies to 7999 requests in the window
broker_headroom: broker used 0.07 of its core
host_quiet: 0.17 cores busy outside the client, peer and broker

29.3 MiB

run 1 · valid

client requests	9,999
C echo received	9,999
C echo replied	9,999
broker received ($SYS)	19,998
broker sent ($SYS)	19,998
client replies	9,999
schedule lag p50 / p99 / max	934 µs / 1,933 µs / 3,466 µs
due in window, never published	1
CPU user / sys per msg	467 µs / 37.5 µs
CPU (share of a core)	50.5 %
threads	2

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9999 from the client; client sent 9999, completed 9999
broker_confirms_deliveries: broker sent 19998; client received 9999, echo received 9999
offered_rate_held: client published 8001 of 8000 offered in the window
responses_kept_up: client received 8001 replies to 8001 requests in the window
broker_headroom: broker used 0.06 of its core
host_quiet: 0.09 cores busy outside the client, peer and broker

run 2 · valid

client requests	9,998
C echo received	9,998
C echo replied	9,998
broker received ($SYS)	19,996
broker sent ($SYS)	19,996
client replies	9,998
schedule lag p50 / p99 / max	934 µs / 1,933 µs / 4,080 µs
due in window, never published	2
CPU user / sys per msg	450 µs / 46.3 µs
CPU (share of a core)	49.6 %
threads	2

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9998 from the client; client sent 9998, completed 9998
broker_confirms_deliveries: broker sent 19996; client received 9998, echo received 9998
offered_rate_held: client published 7999 of 8000 offered in the window
responses_kept_up: client received 8000 replies to 7999 requests in the window
broker_headroom: broker used 0.06 of its core
host_quiet: 0.18 cores busy outside the client, peer and broker

run 3 · valid

client requests	9,998
C echo received	9,998
C echo replied	9,998
broker received ($SYS)	19,996
broker sent ($SYS)	19,996
client replies	9,998
schedule lag p50 / p99 / max	967 µs / 1,868 µs / 2,102 µs
due in window, never published	2
CPU user / sys per msg	469 µs / 18.8 µs
CPU (share of a core)	48.7 %
threads	3

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9998 from the client; client sent 9998, completed 9998
broker_confirms_deliveries: broker sent 19996; client received 9998, echo received 9998
offered_rate_held: client published 7999 of 8001 offered in the window
responses_kept_up: client received 7999 replies to 7999 requests in the window
broker_headroom: broker used 0.07 of its core
host_quiet: 0.17 cores busy outside the client, peer and broker

479

run 1 · valid

client requests	9,999
C echo received	9,999
C echo replied	9,999
broker received ($SYS)	19,998
broker sent ($SYS)	19,998
client replies	9,999
schedule lag p50 / p99 / max	934 µs / 1,933 µs / 3,466 µs
due in window, never published	1
CPU user / sys per msg	467 µs / 37.5 µs
CPU (share of a core)	50.5 %
threads	2

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9999 from the client; client sent 9999, completed 9999
broker_confirms_deliveries: broker sent 19998; client received 9999, echo received 9999
offered_rate_held: client published 8001 of 8000 offered in the window
responses_kept_up: client received 8001 replies to 8001 requests in the window
broker_headroom: broker used 0.06 of its core
host_quiet: 0.09 cores busy outside the client, peer and broker

run 2 · valid

client requests	9,998
C echo received	9,998
C echo replied	9,998
broker received ($SYS)	19,996
broker sent ($SYS)	19,996
client replies	9,998
schedule lag p50 / p99 / max	934 µs / 1,933 µs / 4,080 µs
due in window, never published	2
CPU user / sys per msg	450 µs / 46.3 µs
CPU (share of a core)	49.6 %
threads	2

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9998 from the client; client sent 9998, completed 9998
broker_confirms_deliveries: broker sent 19996; client received 9998, echo received 9998
offered_rate_held: client published 7999 of 8000 offered in the window
responses_kept_up: client received 8000 replies to 7999 requests in the window
broker_headroom: broker used 0.06 of its core
host_quiet: 0.18 cores busy outside the client, peer and broker

run 3 · valid

client requests	9,998
C echo received	9,998
C echo replied	9,998
broker received ($SYS)	19,996
broker sent ($SYS)	19,996
client replies	9,998
schedule lag p50 / p99 / max	967 µs / 1,868 µs / 2,102 µs
due in window, never published	2
CPU user / sys per msg	469 µs / 18.8 µs
CPU (share of a core)	48.7 %
threads	3

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9998 from the client; client sent 9998, completed 9998
broker_confirms_deliveries: broker sent 19996; client received 9998, echo received 9998
offered_rate_held: client published 7999 of 8001 offered in the window
responses_kept_up: client received 7999 replies to 7999 requests in the window
broker_headroom: broker used 0.07 of its core
host_quiet: 0.17 cores busy outside the client, peer and broker

aiomqtt 2.5.1 asyncio

3/3

672 µs

run 1 · valid

client requests	9,998
C echo received	9,998
C echo replied	9,998
broker received ($SYS)	19,996
broker sent ($SYS)	19,996
client replies	9,998
schedule lag p50 / p99 / max	1,081 µs / 2,163 µs / 4,382 µs
due in window, never published	2
CPU user / sys per msg	476 µs / 48.8 µs
CPU (share of a core)	52.5 %
threads	2

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9998 from the client; client sent 9998, completed 9998
broker_confirms_deliveries: broker sent 19996; client received 9998, echo received 9998
offered_rate_held: client published 7998 of 7998 offered in the window
responses_kept_up: client received 8000 replies to 7998 requests in the window
broker_headroom: broker used 0.07 of its core
host_quiet: 0.20 cores busy outside the client, peer and broker

run 2 · valid

client requests	9,997
C echo received	9,997
C echo replied	9,997
broker received ($SYS)	19,994
broker sent ($SYS)	19,994
client replies	9,997
schedule lag p50 / p99 / max	1,147 µs / 2,163 µs / 4,496 µs
due in window, never published	3
CPU user / sys per msg	480 µs / 36.3 µs
CPU (share of a core)	51.6 %
threads	2

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9997 from the client; client sent 9997, completed 9997
broker_confirms_deliveries: broker sent 19994; client received 9997, echo received 9997
offered_rate_held: client published 7999 of 8000 offered in the window
responses_kept_up: client received 7999 replies to 7999 requests in the window
broker_headroom: broker used 0.07 of its core
host_quiet: 0.11 cores busy outside the client, peer and broker

run 3 · valid

client requests	9,999
C echo received	9,999
C echo replied	9,999
broker received ($SYS)	19,998
broker sent ($SYS)	19,998
client replies	9,999
schedule lag p50 / p99 / max	1,147 µs / 2,163 µs / 5,064 µs
due in window, never published	1
CPU user / sys per msg	481 µs / 46.2 µs
CPU (share of a core)	52.8 %
threads	3

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9999 from the client; client sent 9999, completed 9999
broker_confirms_deliveries: broker sent 19998; client received 9999, echo received 9999
offered_rate_held: client published 8001 of 8001 offered in the window
responses_kept_up: client received 7999 replies to 8001 requests in the window
broker_headroom: broker used 0.07 of its core
host_quiet: 0.15 cores busy outside the client, peer and broker

3,998 µs

run 1 · valid

client requests	9,998
C echo received	9,998
C echo replied	9,998
broker received ($SYS)	19,996
broker sent ($SYS)	19,996
client replies	9,998
schedule lag p50 / p99 / max	1,081 µs / 2,163 µs / 4,382 µs
due in window, never published	2
CPU user / sys per msg	476 µs / 48.8 µs
CPU (share of a core)	52.5 %
threads	2

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9998 from the client; client sent 9998, completed 9998
broker_confirms_deliveries: broker sent 19996; client received 9998, echo received 9998
offered_rate_held: client published 7998 of 7998 offered in the window
responses_kept_up: client received 8000 replies to 7998 requests in the window
broker_headroom: broker used 0.07 of its core
host_quiet: 0.20 cores busy outside the client, peer and broker

run 2 · valid

client requests	9,997
C echo received	9,997
C echo replied	9,997
broker received ($SYS)	19,994
broker sent ($SYS)	19,994
client replies	9,997
schedule lag p50 / p99 / max	1,147 µs / 2,163 µs / 4,496 µs
due in window, never published	3
CPU user / sys per msg	480 µs / 36.3 µs
CPU (share of a core)	51.6 %
threads	2

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9997 from the client; client sent 9997, completed 9997
broker_confirms_deliveries: broker sent 19994; client received 9997, echo received 9997
offered_rate_held: client published 7999 of 8000 offered in the window
responses_kept_up: client received 7999 replies to 7999 requests in the window
broker_headroom: broker used 0.07 of its core
host_quiet: 0.11 cores busy outside the client, peer and broker

run 3 · valid

client requests	9,999
C echo received	9,999
C echo replied	9,999
broker received ($SYS)	19,998
broker sent ($SYS)	19,998
client replies	9,999
schedule lag p50 / p99 / max	1,147 µs / 2,163 µs / 5,064 µs
due in window, never published	1
CPU user / sys per msg	481 µs / 46.2 µs
CPU (share of a core)	52.8 %
threads	3

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9999 from the client; client sent 9999, completed 9999
broker_confirms_deliveries: broker sent 19998; client received 9999, echo received 9999
offered_rate_held: client published 8001 of 8001 offered in the window
responses_kept_up: client received 7999 replies to 8001 requests in the window
broker_headroom: broker used 0.07 of its core
host_quiet: 0.15 cores busy outside the client, peer and broker

8,258 µs

run 1 · valid

client requests	9,998
C echo received	9,998
C echo replied	9,998
broker received ($SYS)	19,996
broker sent ($SYS)	19,996
client replies	9,998
schedule lag p50 / p99 / max	1,081 µs / 2,163 µs / 4,382 µs
due in window, never published	2
CPU user / sys per msg	476 µs / 48.8 µs
CPU (share of a core)	52.5 %
threads	2

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9998 from the client; client sent 9998, completed 9998
broker_confirms_deliveries: broker sent 19996; client received 9998, echo received 9998
offered_rate_held: client published 7998 of 7998 offered in the window
responses_kept_up: client received 8000 replies to 7998 requests in the window
broker_headroom: broker used 0.07 of its core
host_quiet: 0.20 cores busy outside the client, peer and broker

run 2 · valid

client requests	9,997
C echo received	9,997
C echo replied	9,997
broker received ($SYS)	19,994
broker sent ($SYS)	19,994
client replies	9,997
schedule lag p50 / p99 / max	1,147 µs / 2,163 µs / 4,496 µs
due in window, never published	3
CPU user / sys per msg	480 µs / 36.3 µs
CPU (share of a core)	51.6 %
threads	2

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9997 from the client; client sent 9997, completed 9997
broker_confirms_deliveries: broker sent 19994; client received 9997, echo received 9997
offered_rate_held: client published 7999 of 8000 offered in the window
responses_kept_up: client received 7999 replies to 7999 requests in the window
broker_headroom: broker used 0.07 of its core
host_quiet: 0.11 cores busy outside the client, peer and broker

run 3 · valid

client requests	9,999
C echo received	9,999
C echo replied	9,999
broker received ($SYS)	19,998
broker sent ($SYS)	19,998
client replies	9,999
schedule lag p50 / p99 / max	1,147 µs / 2,163 µs / 5,064 µs
due in window, never published	1
CPU user / sys per msg	481 µs / 46.2 µs
CPU (share of a core)	52.8 %
threads	3

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9999 from the client; client sent 9999, completed 9999
broker_confirms_deliveries: broker sent 19998; client received 9999, echo received 9999
offered_rate_held: client published 8001 of 8001 offered in the window
responses_kept_up: client received 7999 replies to 8001 requests in the window
broker_headroom: broker used 0.07 of its core
host_quiet: 0.15 cores busy outside the client, peer and broker

13.7 ms

run 1 · valid

client requests	9,998
C echo received	9,998
C echo replied	9,998
broker received ($SYS)	19,996
broker sent ($SYS)	19,996
client replies	9,998
schedule lag p50 / p99 / max	1,081 µs / 2,163 µs / 4,382 µs
due in window, never published	2
CPU user / sys per msg	476 µs / 48.8 µs
CPU (share of a core)	52.5 %
threads	2

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9998 from the client; client sent 9998, completed 9998
broker_confirms_deliveries: broker sent 19996; client received 9998, echo received 9998
offered_rate_held: client published 7998 of 7998 offered in the window
responses_kept_up: client received 8000 replies to 7998 requests in the window
broker_headroom: broker used 0.07 of its core
host_quiet: 0.20 cores busy outside the client, peer and broker

run 2 · valid

client requests	9,997
C echo received	9,997
C echo replied	9,997
broker received ($SYS)	19,994
broker sent ($SYS)	19,994
client replies	9,997
schedule lag p50 / p99 / max	1,147 µs / 2,163 µs / 4,496 µs
due in window, never published	3
CPU user / sys per msg	480 µs / 36.3 µs
CPU (share of a core)	51.6 %
threads	2

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9997 from the client; client sent 9997, completed 9997
broker_confirms_deliveries: broker sent 19994; client received 9997, echo received 9997
offered_rate_held: client published 7999 of 8000 offered in the window
responses_kept_up: client received 7999 replies to 7999 requests in the window
broker_headroom: broker used 0.07 of its core
host_quiet: 0.11 cores busy outside the client, peer and broker

run 3 · valid

client requests	9,999
C echo received	9,999
C echo replied	9,999
broker received ($SYS)	19,998
broker sent ($SYS)	19,998
client replies	9,999
schedule lag p50 / p99 / max	1,147 µs / 2,163 µs / 5,064 µs
due in window, never published	1
CPU user / sys per msg	481 µs / 46.2 µs
CPU (share of a core)	52.8 %
threads	3

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9999 from the client; client sent 9999, completed 9999
broker_confirms_deliveries: broker sent 19998; client received 9999, echo received 9999
offered_rate_held: client published 8001 of 8001 offered in the window
responses_kept_up: client received 7999 replies to 8001 requests in the window
broker_headroom: broker used 0.07 of its core
host_quiet: 0.15 cores busy outside the client, peer and broker

2,163 µs

run 1 · valid

client requests	9,998
C echo received	9,998
C echo replied	9,998
broker received ($SYS)	19,996
broker sent ($SYS)	19,996
client replies	9,998
schedule lag p50 / p99 / max	1,081 µs / 2,163 µs / 4,382 µs
due in window, never published	2
CPU user / sys per msg	476 µs / 48.8 µs
CPU (share of a core)	52.5 %
threads	2

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9998 from the client; client sent 9998, completed 9998
broker_confirms_deliveries: broker sent 19996; client received 9998, echo received 9998
offered_rate_held: client published 7998 of 7998 offered in the window
responses_kept_up: client received 8000 replies to 7998 requests in the window
broker_headroom: broker used 0.07 of its core
host_quiet: 0.20 cores busy outside the client, peer and broker

run 2 · valid

client requests	9,997
C echo received	9,997
C echo replied	9,997
broker received ($SYS)	19,994
broker sent ($SYS)	19,994
client replies	9,997
schedule lag p50 / p99 / max	1,147 µs / 2,163 µs / 4,496 µs
due in window, never published	3
CPU user / sys per msg	480 µs / 36.3 µs
CPU (share of a core)	51.6 %
threads	2

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9997 from the client; client sent 9997, completed 9997
broker_confirms_deliveries: broker sent 19994; client received 9997, echo received 9997
offered_rate_held: client published 7999 of 8000 offered in the window
responses_kept_up: client received 7999 replies to 7999 requests in the window
broker_headroom: broker used 0.07 of its core
host_quiet: 0.11 cores busy outside the client, peer and broker

run 3 · valid

client requests	9,999
C echo received	9,999
C echo replied	9,999
broker received ($SYS)	19,998
broker sent ($SYS)	19,998
client replies	9,999
schedule lag p50 / p99 / max	1,147 µs / 2,163 µs / 5,064 µs
due in window, never published	1
CPU user / sys per msg	481 µs / 46.2 µs
CPU (share of a core)	52.8 %
threads	3

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9999 from the client; client sent 9999, completed 9999
broker_confirms_deliveries: broker sent 19998; client received 9999, echo received 9999
offered_rate_held: client published 8001 of 8001 offered in the window
responses_kept_up: client received 7999 replies to 8001 requests in the window
broker_headroom: broker used 0.07 of its core
host_quiet: 0.15 cores busy outside the client, peer and broker

525 µs

run 1 · valid

client requests	9,998
C echo received	9,998
C echo replied	9,998
broker received ($SYS)	19,996
broker sent ($SYS)	19,996
client replies	9,998
schedule lag p50 / p99 / max	1,081 µs / 2,163 µs / 4,382 µs
due in window, never published	2
CPU user / sys per msg	476 µs / 48.8 µs
CPU (share of a core)	52.5 %
threads	2

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9998 from the client; client sent 9998, completed 9998
broker_confirms_deliveries: broker sent 19996; client received 9998, echo received 9998
offered_rate_held: client published 7998 of 7998 offered in the window
responses_kept_up: client received 8000 replies to 7998 requests in the window
broker_headroom: broker used 0.07 of its core
host_quiet: 0.20 cores busy outside the client, peer and broker

run 2 · valid

client requests	9,997
C echo received	9,997
C echo replied	9,997
broker received ($SYS)	19,994
broker sent ($SYS)	19,994
client replies	9,997
schedule lag p50 / p99 / max	1,147 µs / 2,163 µs / 4,496 µs
due in window, never published	3
CPU user / sys per msg	480 µs / 36.3 µs
CPU (share of a core)	51.6 %
threads	2

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9997 from the client; client sent 9997, completed 9997
broker_confirms_deliveries: broker sent 19994; client received 9997, echo received 9997
offered_rate_held: client published 7999 of 8000 offered in the window
responses_kept_up: client received 7999 replies to 7999 requests in the window
broker_headroom: broker used 0.07 of its core
host_quiet: 0.11 cores busy outside the client, peer and broker

run 3 · valid

client requests	9,999
C echo received	9,999
C echo replied	9,999
broker received ($SYS)	19,998
broker sent ($SYS)	19,998
client replies	9,999
schedule lag p50 / p99 / max	1,147 µs / 2,163 µs / 5,064 µs
due in window, never published	1
CPU user / sys per msg	481 µs / 46.2 µs
CPU (share of a core)	52.8 %
threads	3

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9999 from the client; client sent 9999, completed 9999
broker_confirms_deliveries: broker sent 19998; client received 9999, echo received 9999
offered_rate_held: client published 8001 of 8001 offered in the window
responses_kept_up: client received 7999 replies to 8001 requests in the window
broker_headroom: broker used 0.07 of its core
host_quiet: 0.15 cores busy outside the client, peer and broker

27.3 MiB

run 1 · valid

client requests	9,998
C echo received	9,998
C echo replied	9,998
broker received ($SYS)	19,996
broker sent ($SYS)	19,996
client replies	9,998
schedule lag p50 / p99 / max	1,081 µs / 2,163 µs / 4,382 µs
due in window, never published	2
CPU user / sys per msg	476 µs / 48.8 µs
CPU (share of a core)	52.5 %
threads	2

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9998 from the client; client sent 9998, completed 9998
broker_confirms_deliveries: broker sent 19996; client received 9998, echo received 9998
offered_rate_held: client published 7998 of 7998 offered in the window
responses_kept_up: client received 8000 replies to 7998 requests in the window
broker_headroom: broker used 0.07 of its core
host_quiet: 0.20 cores busy outside the client, peer and broker

run 2 · valid

client requests	9,997
C echo received	9,997
C echo replied	9,997
broker received ($SYS)	19,994
broker sent ($SYS)	19,994
client replies	9,997
schedule lag p50 / p99 / max	1,147 µs / 2,163 µs / 4,496 µs
due in window, never published	3
CPU user / sys per msg	480 µs / 36.3 µs
CPU (share of a core)	51.6 %
threads	2

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9997 from the client; client sent 9997, completed 9997
broker_confirms_deliveries: broker sent 19994; client received 9997, echo received 9997
offered_rate_held: client published 7999 of 8000 offered in the window
responses_kept_up: client received 7999 replies to 7999 requests in the window
broker_headroom: broker used 0.07 of its core
host_quiet: 0.11 cores busy outside the client, peer and broker

run 3 · valid

client requests	9,999
C echo received	9,999
C echo replied	9,999
broker received ($SYS)	19,998
broker sent ($SYS)	19,998
client replies	9,999
schedule lag p50 / p99 / max	1,147 µs / 2,163 µs / 5,064 µs
due in window, never published	1
CPU user / sys per msg	481 µs / 46.2 µs
CPU (share of a core)	52.8 %
threads	3

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9999 from the client; client sent 9999, completed 9999
broker_confirms_deliveries: broker sent 19998; client received 9999, echo received 9999
offered_rate_held: client published 8001 of 8001 offered in the window
responses_kept_up: client received 7999 replies to 8001 requests in the window
broker_headroom: broker used 0.07 of its core
host_quiet: 0.15 cores busy outside the client, peer and broker

534

run 1 · valid

client requests	9,998
C echo received	9,998
C echo replied	9,998
broker received ($SYS)	19,996
broker sent ($SYS)	19,996
client replies	9,998
schedule lag p50 / p99 / max	1,081 µs / 2,163 µs / 4,382 µs
due in window, never published	2
CPU user / sys per msg	476 µs / 48.8 µs
CPU (share of a core)	52.5 %
threads	2

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9998 from the client; client sent 9998, completed 9998
broker_confirms_deliveries: broker sent 19996; client received 9998, echo received 9998
offered_rate_held: client published 7998 of 7998 offered in the window
responses_kept_up: client received 8000 replies to 7998 requests in the window
broker_headroom: broker used 0.07 of its core
host_quiet: 0.20 cores busy outside the client, peer and broker

run 2 · valid

client requests	9,997
C echo received	9,997
C echo replied	9,997
broker received ($SYS)	19,994
broker sent ($SYS)	19,994
client replies	9,997
schedule lag p50 / p99 / max	1,147 µs / 2,163 µs / 4,496 µs
due in window, never published	3
CPU user / sys per msg	480 µs / 36.3 µs
CPU (share of a core)	51.6 %
threads	2

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9997 from the client; client sent 9997, completed 9997
broker_confirms_deliveries: broker sent 19994; client received 9997, echo received 9997
offered_rate_held: client published 7999 of 8000 offered in the window
responses_kept_up: client received 7999 replies to 7999 requests in the window
broker_headroom: broker used 0.07 of its core
host_quiet: 0.11 cores busy outside the client, peer and broker

run 3 · valid

client requests	9,999
C echo received	9,999
C echo replied	9,999
broker received ($SYS)	19,998
broker sent ($SYS)	19,998
client replies	9,999
schedule lag p50 / p99 / max	1,147 µs / 2,163 µs / 5,064 µs
due in window, never published	1
CPU user / sys per msg	481 µs / 46.2 µs
CPU (share of a core)	52.8 %
threads	3

worker_completed: worker reported its counts
peer_completed: peer reported its counts
broker_counters_read: fresh $SYS reading before and after the run
broker_confirms_client_publishes: broker received 9999 from the client; client sent 9999, completed 9999
broker_confirms_deliveries: broker sent 19998; client received 9999, echo received 9999
offered_rate_held: client published 8001 of 8001 offered in the window
responses_kept_up: client received 7999 replies to 8001 requests in the window
broker_headroom: broker used 0.07 of its core
host_quiet: 0.15 cores busy outside the client, peer and broker

aiomqtt3 3.0.0a1 asyncio experimental

—

unsupported

rtt_qos0_fixed

Latency by percentile