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2026-07-19 - 20:45
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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 Sun Jul 19, 2026 12:46:36)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
4015920221942174,11sleep40-21swapper/407:07:314
4014465215541539,6sleep24014011-21kworker/2:1+events@
dbs_work_handler
07:05:152
401627299175112,55cyclictest26305-21kworker/u12:3+events_unbound@
flush_memcg_stats_dwork
11:30:400
401627299175112,55cyclictest26305-21kworker/u12:3+events_unbound@
flush_memcg_stats_dwork
11:30:400
40162729916475,58cyclictest38354-21kworker/u12:0+events_unbound@
flush_memcg_stats_dwork
11:45:420
401627299141108,24cyclictest53282-21kworker/u12:1+events_unbound@
flush_memcg_stats_dwork
12:15:470
40162729913594,33cyclictest53282-21kworker/u12:1+events_unbound@
flush_memcg_stats_dwork
11:50:420
40162729912185,29cyclictest4070488-21kworker/u12:2+events_unbound@
flush_memcg_stats_dwork
09:20:150
4016272991162,50cyclictest13-21ksoftirqd/010:25:370
4016272991162,50cyclictest13-21ksoftirqd/010:25:360
40162729911537,42cyclictest4121272-21kworker/u12:0+events_unbound@
flush_memcg_stats_dwork
10:00:290
4016272991153,6cyclictest4089117-21ssh09:30:010
40162729911433,51cyclictest0-21swapper/011:20:070
4016272991132,85cyclictest13-21ksoftirqd/010:38:290
401628299112100,6cyclictest4082524-21kworker/u12:1+events_unbound@
flush_memcg_stats_dwork
09:25:162
40162729911230,26cyclictest13-21ksoftirqd/009:55:010
4016272991072,73cyclictest0-21swapper/009:05:200
4016272991072,73cyclictest0-21swapper/009:05:190
4016272991041,3cyclictest0-21swapper/009:10:410
40162729910267,15cyclictest4013465-21kworker/u12:1+events_unbound@
flush_memcg_stats_dwork
07:19:530
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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