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2026-04-16 - 17:38
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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 Apr 16, 2026 12:46:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
79456299371369,1cyclictest1016288-21kworker/2:007:58:022
79457599346344,1cyclictest797499-21kworker/4:008:05:014
79457599341340,1cyclictest909670-21kworker/4:111:23:014
79454799341336,2cyclictest957663-21systemd-userwor11:39:010
79454799339337,1cyclictest0-21swapper/007:55:010
79454799336334,1cyclictest0-21swapper/011:01:020
79454799335334,1cyclictest768492-21kworker/0:007:23:020
79454799335333,1cyclictest843499-21kworker/0:209:34:020
79454799333332,1cyclictest768492-21kworker/0:007:40:010
79454799333332,1cyclictest0-21swapper/011:20:020
79454799333331,2cyclictest843499-21kworker/0:208:45:010
79454799332330,1cyclictest0-21swapper/011:50:020
79454799331330,1cyclictest843499-21kworker/0:209:15:010
79454799331330,1cyclictest0-21swapper/010:10:020
79454799331329,1cyclictest843499-21kworker/0:209:57:020
79454799331329,1cyclictest0-21swapper/012:00:020
79454799330329,1cyclictest843499-21kworker/0:212:05:020
79454799330329,1cyclictest843499-21kworker/0:210:30:020
79454799330329,1cyclictest768492-21kworker/0:008:01:020
79454799330329,1cyclictest0-21swapper/007:46:010
79454799330329,1cyclictest0-21swapper/007:25:020
79454799330328,1cyclictest0-21swapper/011:05:010
79454799329328,1cyclictest843499-21kworker/0:210:43:010
79454799329328,1cyclictest843499-21kworker/0:209:20:020
79454799329328,1cyclictest843499-21kworker/0:209:00:020
79454799329327,1cyclictest0-21swapper/011:26:020
79454799329326,2cyclictest843499-21kworker/0:211:11:020
79454799329326,2cyclictest843499-21kworker/0:211:11:010
79454799328327,1cyclictest843499-21kworker/0:209:39:010
79454799328327,1cyclictest0-21swapper/010:46:010
79454799328327,1cyclictest0-21swapper/008:57:010
79454799328327,1cyclictest0-21swapper/008:27:010
79454799328326,1cyclictest843499-21kworker/0:210:29:010
79454799328326,1cyclictest843499-21kworker/0:210:22:020
79454799328326,1cyclictest843499-21kworker/0:209:41:010
79454799328326,1cyclictest843499-21kworker/0:209:26:020
79454799328326,1cyclictest768492-21kworker/0:007:14:020
79454799328326,1cyclictest0-21swapper/012:17:020
79454799328326,1cyclictest0-21swapper/011:48:010
79454799328325,2cyclictest768492-21kworker/0:008:23:010
79454799328325,1cyclictest843499-21kworker/0:211:58:020
79454799327326,1cyclictest0-21swapper/008:08:020
79454799327325,1cyclictest843499-21kworker/0:211:33:010
79454799327325,1cyclictest768492-21kworker/0:008:11:020
79454799327325,1cyclictest0-21swapper/010:57:010
79454799327325,1cyclictest0-21swapper/008:36:020
79454799327325,1cyclictest0-21swapper/007:16:020
79454799326325,1cyclictest843499-21kworker/0:210:16:010
79454799325324,1cyclictest843499-21kworker/0:209:08:010
79454799325324,1cyclictest0-21swapper/011:43:010
79454799325324,1cyclictest0-21swapper/011:17:010
79454799325323,1cyclictest0-21swapper/009:47:020
79454799325323,1cyclictest0-21swapper/009:47:010
79454799324323,1cyclictest0-21swapper/009:11:010
79454799324323,1cyclictest0-21swapper/008:19:020
79454799324323,1cyclictest0-21swapper/008:19:010
79454799324323,1cyclictest0-21swapper/007:31:020
79458999317315,1cyclictest0-21swapper/611:51:016
79458999315313,1cyclictest0-21swapper/612:35:026
79458999315313,1cyclictest0-21swapper/612:35:026
79458999313311,1cyclictest0-21swapper/610:25:016
79458999312310,1cyclictest0-21swapper/609:38:026
79458999312310,1cyclictest0-21swapper/608:20:026
79458999311310,1cyclictest0-21swapper/609:21:026
79458999311310,1cyclictest0-21swapper/609:04:016
79458999311309,1cyclictest831477-21kworker/6:111:35:026
79458999311309,1cyclictest0-21swapper/610:38:016
79458999311309,1cyclictest0-21swapper/609:45:016
79458999311309,1cyclictest0-21swapper/609:45:016
79458999311309,1cyclictest0-21swapper/608:10:026
79458999310309,1cyclictest0-21swapper/610:54:016
79458999310308,1cyclictest0-21swapper/612:30:026
79458999310308,1cyclictest0-21swapper/611:47:016
79458999310308,1cyclictest0-21swapper/609:17:016
79458999310308,1cyclictest0-21swapper/609:05:016
79458999310308,1cyclictest0-21swapper/608:03:016
79455599310309,1cyclictest0-21swapper/108:05:011
79458999309308,1cyclictest0-21swapper/610:31:026
79458999309308,1cyclictest0-21swapper/608:50:016
79458999309308,1cyclictest0-21swapper/608:31:016
79458999309308,1cyclictest0-21swapper/607:27:026
79458999309307,1cyclictest0-21swapper/612:18:026
79458999309307,1cyclictest0-21swapper/610:47:016
79458999309307,1cyclictest0-21swapper/609:43:016
79458999308307,1cyclictest0-21swapper/612:24:026
79458999308306,1cyclictest0-21swapper/610:42:016
79458999308306,1cyclictest0-21swapper/609:52:016
79458999308306,1cyclictest0-21swapper/609:32:026
79458999308306,1cyclictest0-21swapper/609:14:016
79458999308306,1cyclictest0-21swapper/608:42:016
79458999308306,1cyclictest0-21swapper/608:16:026
79458999308306,1cyclictest0-21swapper/608:16:026
79458999308306,1cyclictest0-21swapper/607:32:026
79458999307306,1cyclictest0-21swapper/610:02:026
79458999307305,1cyclictest0-21swapper/612:04:026
79458999307305,1cyclictest0-21swapper/610:07:016
79458999307305,1cyclictest0-21swapper/609:29:026
79458999307305,1cyclictest0-21swapper/607:43:026
79455599307306,1cyclictest0-21swapper/111:23:011
79458999306305,1cyclictest0-21swapper/610:12:026
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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