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2024-06-09 - 09:08
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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 10 highest latencies:
System rack3slot4.osadl.org (updated Sun Jun 09, 2024 00:46:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
101389399128113,7cyclictest1246767-21kworker/u12:2+events_unbound@
flush_memcg_stats_dwork
23:54:031
101389399128113,7cyclictest1246767-21kworker/u12:2+events_unbound@
flush_memcg_stats_dwork
23:54:021
116313921210,4sleep40-21swapper/422:31:154
101390599118105,6cyclictest1118465-21kworker/u12:1+events_unbound@
flush_memcg_stats_dwork
22:48:573
101389399116101,7cyclictest1028941-21kworker/u12:2+events_unbound@
flush_memcg_stats_dwork
20:13:291
1013888991151,83cyclictest1046067-21kworker/0:2+events@
igb_watchdog_task
21:08:330
10138889911071,31cyclictest1088532-21kworker/u12:2+events_unbound@
flush_memcg_stats_dwork
21:53:410
10138889910985,16cyclictest993381-21kworker/u12:2+events_unbound@
flush_memcg_stats_dwork
19:33:230
10138889910969,23cyclictest1259008-21kworker/0:1+events@
igb_watchdog_task
00:20:370
10138889910969,23cyclictest1259008-21kworker/0:1+events@
igb_watchdog_task
00:20:370
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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