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2026-06-19 - 20:43
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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 Fri Jun 19, 2026 12:46:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
307623799388387,1cyclictest3253907-21kworker/u16:112:32:027
3076237993820,381cyclictest0-21swapper/709:50:027
307623799381380,1cyclictest3209375-21kworker/7:010:50:027
3076237993810,380cyclictest0-21swapper/711:55:027
3076237993810,380cyclictest0-21swapper/711:55:027
3076237993810,380cyclictest0-21swapper/711:35:027
3076237993810,380cyclictest0-21swapper/708:50:027
307623799380379,1cyclictest3067034-21kworker/7:207:40:027
3076237993800,379cyclictest0-21swapper/711:29:307
3076237993800,379cyclictest0-21swapper/710:40:027
3076237993800,379cyclictest0-21swapper/709:24:027
307623799379378,1cyclictest3143189-21kworker/7:210:45:027
307623799379378,1cyclictest3143189-21kworker/7:210:30:027
307623799379378,1cyclictest3107044-21kworker/7:008:34:027
307623799379378,1cyclictest0-21swapper/712:01:027
307623799379377,1cyclictest3261383-21kworker/7:012:16:027
307623799379377,1cyclictest3143189-21kworker/7:210:28:027
307623799378377,1cyclictest3241110-21kworker/7:112:24:027
307623799378377,1cyclictest3143189-21kworker/7:210:04:037
307623799378377,1cyclictest3107044-21kworker/7:008:29:027
307623799378377,1cyclictest0-21swapper/711:22:027
307623799378376,1cyclictest3107044-21kworker/7:008:16:027
307623799378376,1cyclictest3067034-21kworker/7:207:47:037
307623799378376,1cyclictest0-21swapper/711:31:027
3076237993780,378cyclictest0-21swapper/709:40:027
307623799377376,1cyclictest3143189-21kworker/7:209:32:027
307623799377376,1cyclictest3143189-21kworker/7:209:28:027
307623799377376,1cyclictest3098075-21kworker/7:107:57:037
307623799377376,1cyclictest0-21swapper/711:11:027
307623799377376,1cyclictest0-21swapper/711:03:027
307623799377376,1cyclictest0-21swapper/708:59:027
307623799377375,1cyclictest3143189-21kworker/7:209:46:027
307623799376375,1cyclictest3241110-21kworker/7:112:09:027
307623799376375,1cyclictest3143189-21kworker/7:210:24:027
307623799376375,1cyclictest3143189-21kworker/7:209:08:027
307623799376375,1cyclictest0-21swapper/710:07:027
307623799376375,1cyclictest0-21swapper/708:36:027
307623799376375,1cyclictest0-21swapper/708:04:027
307623799376375,1cyclictest0-21swapper/707:26:027
307623799376375,1cyclictest0-21swapper/707:21:027
307623799376375,1cyclictest0-21swapper/707:12:027
307623799376374,1cyclictest3143189-21kworker/7:209:56:027
307623799376374,1cyclictest0-21swapper/708:44:027
307623799375374,1cyclictest3224320-21kworker/7:111:18:027
307623799375374,1cyclictest0-21swapper/710:57:027
307623799374373,1cyclictest3241110-21kworker/7:111:46:027
307620999339337,1cyclictest0-21swapper/308:20:023
307620999336335,1cyclictest0-21swapper/311:45:023
307620999336334,1cyclictest0-21swapper/311:10:023
307620999333332,1cyclictest3252340-21kworker/3:112:32:023
307622999331330,1cyclictest3243319-21kworker/6:212:00:026
307620999330329,1cyclictest3321903-21kworker/3:009:18:023
307620999330329,1cyclictest3233328-21kworker/3:211:30:023
307622999329327,1cyclictest0-21swapper/610:25:036
307622999328327,1cyclictest3191343-21kworker/6:010:20:026
307622999328327,1cyclictest3076063-21kworker/6:108:40:026
307620999328327,1cyclictest0-21swapper/311:15:023
307620999328327,1cyclictest0-21swapper/308:55:023
307620999328326,1cyclictest3321903-21kworker/3:009:50:023
307620999328326,1cyclictest0-21swapper/307:35:023
307620999328326,1cyclictest0-21swapper/307:35:023
307622999327324,2cyclictest3172990-21kworker/6:110:05:036
307620999327326,1cyclictest3321903-21kworker/3:010:40:023
307620999327326,1cyclictest3321903-21kworker/3:010:14:023
307620999327326,1cyclictest3321903-21kworker/3:009:24:023
307620999327326,1cyclictest3321903-21kworker/3:008:50:023
307620999327326,1cyclictest3233328-21kworker/3:211:55:023
307620999327326,1cyclictest3233328-21kworker/3:211:55:023
307620999327326,1cyclictest3233328-21kworker/3:211:35:023
307620999327326,1cyclictest3233328-21kworker/3:211:29:303
307620999327326,1cyclictest0-21swapper/309:01:023
307620999327326,1cyclictest0-21swapper/309:01:023
307620999327325,1cyclictest3321903-21kworker/3:009:55:023
307620999327325,1cyclictest3252340-21kworker/3:112:38:023
307620999327325,1cyclictest3045982-21kworker/3:108:48:023
307620999327325,1cyclictest3045982-21kworker/3:107:10:033
307620999327325,1cyclictest0-21swapper/310:01:023
307622999326325,1cyclictest3089053-21kworker/6:009:35:026
307622999326323,2cyclictest3172990-21kworker/6:110:00:026
307620999326325,1cyclictest3321903-21kworker/3:010:55:023
307620999326325,1cyclictest3321903-21kworker/3:009:40:023
307620999326325,1cyclictest0-21swapper/310:50:023
307620999326324,2cyclictest3321903-21kworker/3:009:12:023
307622999325324,1cyclictest3258369-21kworker/6:012:29:026
307620999325324,1cyclictest3045982-21kworker/3:107:22:033
307620999325324,1cyclictest0-21swapper/307:40:023
307620999325323,1cyclictest3321903-21kworker/3:010:33:023
307620999325323,1cyclictest3252340-21kworker/3:112:01:023
307622999324323,1cyclictest3172990-21kworker/6:111:20:026
307622999324323,1cyclictest3076063-21kworker/6:109:22:026
307622999324323,1cyclictest3076063-21kworker/6:107:50:026
307620999324323,1cyclictest3321903-21kworker/3:011:01:023
307620999324323,1cyclictest3252340-21kworker/3:112:14:023
307620999324323,1cyclictest0-21swapper/310:45:023
307620999324323,1cyclictest0-21swapper/308:34:023
307620999324322,1cyclictest3233328-21kworker/3:211:41:023
307620999324322,1cyclictest0-21swapper/312:16:023
307620999324322,1cyclictest0-21swapper/307:57:023
307622999323322,1cyclictest3076063-21kworker/6:109:30:026
307622999323322,1cyclictest3076063-21kworker/6:108:10:036
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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