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2024-04-24 - 10:56
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of the 20 highest latencies:
System rack3slot4.osadl.org (updated Wed Apr 24, 2024 00:46:38)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
671662991412,96cyclictest898005-21kworker/0:2+events@
igb_watchdog_task
23:48:320
671662991402,94cyclictest936232-21kworker/0:1+events@
igb_watchdog_task
00:20:380
671662991272,70cyclictest714545-21kworker/0:1+events@
igb_watchdog_task
21:05:340
6716629912151,55cyclictest671437-21kworker/0:2+events@
igb_watchdog_task
20:30:300
6716629911885,23cyclictest682358-21kworker/u12:1+events_unbound@
flush_memcg_stats_dwork
20:05:330
6716629911364,35cyclictest748629-21kworker/0:0+events@
igb_watchdog_task
22:25:410
6716679911095,7cyclictest697064-21kworker/u12:0+events_unbound@
flush_memcg_stats_dwork
20:45:411
6716629911063,32cyclictest827233-21kworker/0:2+events@
igb_watchdog_task
22:50:090
6716629910951,35cyclictest671437-21kworker/0:2+events@
igb_watchdog_task
19:33:280
6716629910851,35cyclictest714545-21kworker/0:1+events@
igb_watchdog_task
21:20:370
6716629910765,34cyclictest871123-21kworker/u12:1+events_unbound@
flush_memcg_stats_dwork
23:28:110
6716629910765,34cyclictest871123-21kworker/u12:1+events_unbound@
flush_memcg_stats_dwork
23:28:110
6716629910746,35cyclictest671437-21kworker/0:2+events@
igb_watchdog_task
20:50:110
6716629910644,34cyclictest748629-21kworker/0:0+events@
igb_watchdog_task
22:08:350
6716629910547,36cyclictest671437-21kworker/0:2+events@
igb_watchdog_task
19:50:140
6716629910547,33cyclictest898005-21kworker/0:2+events@
igb_watchdog_task
23:50:290
6716629910542,35cyclictest671437-21kworker/0:2+events@
igb_watchdog_task
19:25:100
6716629910459,31cyclictest671437-21kworker/0:2+events@
igb_watchdog_task
19:45:390
6716629910459,31cyclictest671437-21kworker/0:2+events@
igb_watchdog_task
19:45:380
6716629910444,35cyclictest671437-21kworker/0:2+events@
igb_watchdog_task
19:20:040
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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