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2026-04-21 - 02:42
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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 Mon Apr 20, 2026 12:46:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
231850599381380,1cyclictest3791033-21kworker/7:107:19:027
231850599381379,1cyclictest0-21swapper/711:15:027
2318505993810,380cyclictest2415530-21kworker/7:210:19:027
231850599380378,1cyclictest2496710-21kworker/7:012:39:027
231850599380378,1cyclictest2457655-21kworker/7:111:47:027
231850599380378,1cyclictest2415530-21kworker/7:210:43:027
231850599380378,1cyclictest2358385-21kworker/7:009:29:027
2318505993800,1cyclictest3791033-21kworker/7:107:47:027
2318505993800,1cyclictest2343353-21kworker/7:207:59:027
231850599379378,1cyclictest2358385-21kworker/7:008:27:027
231850599379377,1cyclictest2415530-21kworker/7:210:29:027
231850599379377,1cyclictest2358385-21kworker/7:008:31:027
231850599378377,1cyclictest2496710-21kworker/7:012:13:027
231850599377375,1cyclictest3791033-21kworker/7:107:53:027
231850599377375,1cyclictest2415530-21kworker/7:210:09:027
231850599376375,1cyclictest3791033-21kworker/7:107:29:027
231850599376375,1cyclictest2457655-21kworker/7:111:37:037
231850599376374,1cyclictest2343353-21kworker/7:208:07:027
231845699376374,1cyclictest0-21swapper/109:57:021
231850599375373,1cyclictest0-21swapper/708:51:027
231850599372371,1cyclictest2343353-21kworker/7:208:00:027
231847599372370,1cyclictest0-21swapper/312:35:023
231850599371369,1cyclictest2415530-21kworker/7:210:10:027
231847599371370,1cyclictest2312319-21kworker/3:009:35:023
231847599371369,1cyclictest0-21swapper/308:35:023
231850599370369,1cyclictest3791033-21kworker/7:107:35:027
231850599370368,1cyclictest2496710-21kworker/7:012:20:027
231849199370369,1cyclictest2364404-21kworker/5:109:20:025
231849199370369,1cyclictest2292444-21kworker/5:007:15:025
231847599370369,1cyclictest2430573-21kworker/3:112:27:023
231847599370369,1cyclictest2430573-21kworker/3:111:29:023
231847599370369,1cyclictest2312319-21kworker/3:008:17:023
231847599370369,1cyclictest0-21swapper/310:25:033
231850599369368,1cyclictest3791033-21kworker/7:107:43:027
231850599369368,1cyclictest2457655-21kworker/7:111:00:027
231850599369368,1cyclictest0-21swapper/711:25:037
231850599369367,1cyclictest0-21swapper/712:05:027
231850599369367,1cyclictest0-21swapper/712:00:027
231850599369367,1cyclictest0-21swapper/708:55:027
231847599369367,1cyclictest2312319-21kworker/3:007:59:033
231847599369367,1cyclictest2312319-21kworker/3:007:47:033
231847599369367,1cyclictest0-21swapper/308:05:023
231850599368367,1cyclictest2415530-21kworker/7:210:20:027
231850599368366,1cyclictest0-21swapper/711:12:027
231847599368367,1cyclictest2430573-21kworker/3:110:19:033
231847599368366,1cyclictest0-21swapper/309:05:023
231850599367366,1cyclictest2358385-21kworker/7:008:49:027
231850599367366,1cyclictest2358385-21kworker/7:008:20:037
231850599367366,1cyclictest2358385-21kworker/7:008:20:027
231850599367365,1cyclictest2358385-21kworker/7:009:13:037
231850599366365,1cyclictest0-21swapper/711:56:027
231850599366365,1cyclictest0-21swapper/709:16:037
231847599366365,1cyclictest0-21swapper/307:19:023
231847599366364,1cyclictest0-21swapper/311:15:023
231850599365364,1cyclictest0-21swapper/710:57:027
231850599365364,1cyclictest0-21swapper/709:43:037
231850599365363,2cyclictest2457655-21kworker/7:111:44:027
231850599365363,1cyclictest2496710-21kworker/7:012:28:037
231850599365363,1cyclictest2358385-21kworker/7:009:33:027
231850599365363,1cyclictest2358385-21kworker/7:009:06:037
231850599365363,1cyclictest2358385-21kworker/7:008:39:027
231850599365363,1cyclictest2318353-21kworker/7:007:14:027
231850599365363,1cyclictest0-21swapper/711:52:027
231847599365363,1cyclictest0-21swapper/311:47:023
231847599365363,1cyclictest0-21swapper/309:29:023
231850599364363,1cyclictest3791033-21kworker/7:107:21:027
231850599364363,1cyclictest0-21swapper/711:31:027
231850599364363,1cyclictest0-21swapper/711:06:027
231850599364362,1cyclictest2358385-21kworker/7:008:41:027
231850599364362,1cyclictest0-21swapper/707:32:027
231847599364363,1cyclictest0-21swapper/310:43:023
231847599364363,1cyclictest0-21swapper/308:27:023
231847599364362,1cyclictest0-21swapper/308:31:023
231850599363362,1cyclictest2496710-21kworker/7:012:16:027
231850599363362,1cyclictest2358385-21kworker/7:009:23:027
231850599363362,1cyclictest0-21swapper/709:49:027
231850599363362,1cyclictest0-21swapper/708:13:037
231850599363361,1cyclictest2496710-21kworker/7:012:31:037
231847599363361,1cyclictest0-21swapper/312:13:033
231849199361359,1cyclictest2364404-21kworker/5:109:35:025
231847599361360,1cyclictest0-21swapper/311:37:023
231847599361360,1cyclictest0-21swapper/310:09:023
231847599361360,1cyclictest0-21swapper/307:53:033
231847599361360,1cyclictest0-21swapper/307:29:033
231849199360359,1cyclictest2364404-21kworker/5:112:35:025
231849199360358,1cyclictest2433359-21kworker/5:211:45:025
231849199360358,1cyclictest2292444-21kworker/5:008:15:025
231849199359358,1cyclictest2433359-21kworker/5:211:29:025
231849199359358,1cyclictest2433359-21kworker/5:210:25:025
231849199359358,1cyclictest2364404-21kworker/5:112:27:025
231849199359358,1cyclictest2364404-21kworker/5:108:35:025
231849199359358,1cyclictest2292444-21kworker/5:007:47:025
231849199359357,1cyclictest2364404-21kworker/5:110:05:025
231847599359358,1cyclictest2312319-21kworker/3:008:51:023
231847599359356,2cyclictest0-21swapper/308:00:023
231849199358357,1cyclictest2433359-21kworker/5:212:15:025
231849199358357,1cyclictest2433359-21kworker/5:210:19:025
231849199358357,1cyclictest2364404-21kworker/5:109:59:035
231849199358357,1cyclictest2364404-21kworker/5:109:01:025
231849199358357,1cyclictest2292444-21kworker/5:007:59:025
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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