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2026-01-08 - 23:09
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of the 100 highest latencies:
System rackcslot6.osadl.org (updated Thu Jan 08, 2026 12:46:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
232388199353350,2cyclictest2279378-21kworker/6:209:08:066
232388199350348,1cyclictest2279378-21kworker/6:212:05:026
232388199349348,1cyclictest0-21swapper/608:55:036
232388199349347,1cyclictest2279378-21kworker/6:208:01:026
232388199349347,1cyclictest0-21swapper/607:43:026
232388199348346,1cyclictest2601966-21kworker/6:107:10:026
232388199345344,1cyclictest0-21swapper/612:25:026
232388199345343,1cyclictest0-21swapper/610:45:026
232388199344343,1cyclictest0-21swapper/611:17:026
232388199344343,1cyclictest0-21swapper/609:01:026
232388199344342,1cyclictest2279378-21kworker/6:209:43:026
232388199343341,1cyclictest2279378-21kworker/6:212:23:026
232388199343341,1cyclictest2279378-21kworker/6:211:41:026
232388199343341,1cyclictest2279378-21kworker/6:207:57:026
232388199342341,1cyclictest0-21swapper/608:11:026
232388199342340,1cyclictest2601966-21kworker/6:107:27:026
232388199342340,1cyclictest2279378-21kworker/6:209:57:026
232388199342340,1cyclictest0-21swapper/609:13:026
232388199342340,1cyclictest0-21swapper/608:53:026
232388199340338,1cyclictest2279378-21kworker/6:211:59:016
232388199340337,2cyclictest2279378-21kworker/6:209:48:026
232388199340337,2cyclictest2279378-21kworker/6:209:48:026
232383499340338,1cyclictest0-21swapper/009:08:020
232388199339338,1cyclictest0-21swapper/611:53:026
232388199339338,1cyclictest0-21swapper/609:32:026
232388199339337,1cyclictest2279378-21kworker/6:210:03:026
232388199339337,1cyclictest0-21swapper/610:25:026
232388199339335,1cyclictest2572615-21systemd-userwor11:48:026
232388199338337,1cyclictest0-21swapper/608:43:026
232383499337335,1cyclictest0-21swapper/007:15:020
232388199335333,1cyclictest2279378-21kworker/6:207:50:026
232388199335333,1cyclictest0-21swapper/608:07:026
232383499335332,2cyclictest2528332-21kworker/0:211:43:010
232388199333332,1cyclictest2279378-21kworker/6:211:00:026
232388199333332,1cyclictest2279378-21kworker/6:210:10:026
232388199333332,1cyclictest0-21swapper/612:00:026
232388199333332,1cyclictest0-21swapper/610:06:026
232388199333331,1cyclictest0-21swapper/611:10:026
232388199332331,1cyclictest2279378-21kworker/6:211:30:026
232388199332331,1cyclictest0-21swapper/609:38:026
232388199331330,1cyclictest2279378-21kworker/6:210:50:026
232388199331330,1cyclictest0-21swapper/612:36:026
232388199331330,1cyclictest0-21swapper/611:21:026
232388199331330,1cyclictest0-21swapper/609:24:026
232388199331329,1cyclictest0-21swapper/608:31:026
232383499331330,1cyclictest0-21swapper/010:15:020
232383499331330,1cyclictest0-21swapper/010:11:020
232383499331329,1cyclictest2528332-21kworker/0:207:55:020
232388199330329,1cyclictest2279378-21kworker/6:208:23:026
232388199330328,1cyclictest2279378-21kworker/6:210:56:026
232388199330328,1cyclictest0-21swapper/608:16:026
232388199330328,1cyclictest0-21swapper/608:16:026
232383499330328,1cyclictest2528332-21kworker/0:210:05:020
232383499330328,1cyclictest0-21swapper/009:11:020
232388199329328,1cyclictest2279378-21kworker/6:210:42:026
232388199329328,1cyclictest2279378-21kworker/6:210:24:026
232388199329328,1cyclictest0-21swapper/612:16:026
232388199329328,1cyclictest0-21swapper/611:06:026
232388199329328,1cyclictest0-21swapper/610:36:016
232388199328327,1cyclictest2601966-21kworker/6:107:33:026
232388199328327,1cyclictest2279378-21kworker/6:211:36:026
232388199328327,1cyclictest2279378-21kworker/6:210:33:026
232388199328327,1cyclictest2279378-21kworker/6:210:17:026
232388199328327,1cyclictest0-21swapper/607:17:036
232388199328326,1cyclictest2601966-21kworker/6:107:48:026
232388199328326,1cyclictest2279378-21kworker/6:211:26:026
232388199328326,1cyclictest2279378-21kworker/6:209:52:026
232388199328326,1cyclictest0-21swapper/612:34:026
232383499328327,1cyclictest2578285-21kworker/0:111:55:020
232383499328327,1cyclictest0-21swapper/012:35:010
232383499328327,1cyclictest0-21swapper/009:27:020
232383499328326,1cyclictest2528332-21kworker/0:209:31:020
232388199327326,1cyclictest2601966-21kworker/6:107:37:026
232388199327326,1cyclictest0-21swapper/608:36:026
232383499327326,1cyclictest2528332-21kworker/0:211:39:020
232383499327326,1cyclictest0-21swapper/011:11:020
232383499327326,1cyclictest0-21swapper/010:55:020
232383499327326,1cyclictest0-21swapper/010:35:020
232383499327325,1cyclictest2528332-21kworker/0:211:31:020
232383499327325,1cyclictest2528332-21kworker/0:208:03:020
232383499327325,1cyclictest2528332-21kworker/0:207:45:020
232388199326325,1cyclictest2279378-21kworker/6:209:17:026
232383499326325,1cyclictest2528332-21kworker/0:208:21:020
232383499326325,1cyclictest2528332-21kworker/0:207:21:020
232383499326324,1cyclictest2578285-21kworker/0:112:33:020
232383499326324,1cyclictest2528332-21kworker/0:210:47:020
232383499326324,1cyclictest0-21swapper/010:23:020
232383499325324,1cyclictest2528332-21kworker/0:210:00:020
232383499325324,1cyclictest0-21swapper/011:27:020
232383499324323,1cyclictest0-21swapper/011:47:020
232383499324323,1cyclictest0-21swapper/011:09:020
232383499324323,1cyclictest0-21swapper/010:27:010
232383499324322,1cyclictest2578285-21kworker/0:112:10:010
232383499324322,1cyclictest2528332-21kworker/0:208:18:020
232383499324322,1cyclictest2528332-21kworker/0:208:18:020
232383499324322,1cyclictest2528332-21kworker/0:207:52:020
232383499324322,1cyclictest2528332-21kworker/0:207:44:020
232383499324322,1cyclictest2528332-21kworker/0:207:39:020
232383499324322,1cyclictest2528332-21kworker/0:207:12:020
232383499324322,1cyclictest0-21swapper/008:30:020
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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