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2026-07-05 - 05:51
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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 05, 2026 00:46:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2288649226912679,6sleep22263693-21kworker/2:0+events@
dbs_work_handler
19:07:542
2288752214321409,14sleep40-21swapper/419:09:224
228896799115102,7cyclictest2438235-21kworker/u12:0+events_unbound@
flush_memcg_stats_dwork
23:37:582
228896799114101,7cyclictest2290727-21kworker/u12:0+events_unbound@
flush_memcg_stats_dwork
19:21:592
22889579911488,7cyclictest2402165-21kworker/u12:3+events_unbound@
flush_memcg_stats_dwork
22:07:390
2288957991091,48cyclictest13-21ksoftirqd/000:19:290
23359122980,5sleep50-21swapper/521:05:105
2288984999893,2cyclictest0-21swapper/522:37:465
2288967999885,6cyclictest2537671-21kworker/u12:0+events_unbound@
flush_memcg_stats_dwork
23:58:042
2288957999873,6cyclictest2421355-21kworker/u12:1+events_unbound@
flush_memcg_stats_dwork
22:37:460
2288977999487,3cyclictest0-21swapper/400:25:294
2288957999132,6cyclictest13-21ksoftirqd/022:43:160
2288957999119,59cyclictest0-21swapper/022:33:460
2288977999079,6cyclictest2560569-21ssh00:10:394
2288977998879,5cyclictest0-21swapper/422:05:374
2288977998876,7cyclictest2349637-21ssh21:20:334
2288977998781,3cyclictest0-21swapper/423:35:394
2288957998618,19cyclictest0-21swapper/000:20:360
2288967998571,7cyclictest2214783-21kworker/u12:2+events_unbound@
flush_memcg_stats_dwork
19:42:012
2288977998473,5cyclictest2417862-21ssh22:15:294
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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