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2025-12-20 - 17:11
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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 Sat Dec 20, 2025 12:46:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2107628232213196,16sleep40-21swapper/407:05:384
2107481219111894,7sleep22083013-21kworker/2:3+events@
dbs_work_handler
07:05:362
210847799213199,6cyclictest2385361-21kworker/u12:0+events_unbound@
flush_memcg_stats_dwork
12:26:023
210846799204194,6cyclictest210-21kswapd012:15:281
21084629911674,22cyclictest2211297-21kworker/u12:3+events_unbound@
flush_memcg_stats_dwork
11:05:060
210847199115103,6cyclictest2323271-21kworker/u12:2+events_unbound@
flush_memcg_stats_dwork
11:30:592
21084719911098,6cyclictest2305472-21kworker/u12:0+events_unbound@
flush_memcg_stats_dwork
11:21:002
21084719911098,6cyclictest2305472-21kworker/u12:0+events_unbound@
flush_memcg_stats_dwork
11:20:592
210848199109104,2cyclictest0-21swapper/412:31:064
210848699108102,3cyclictest0-21swapper/510:50:575
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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