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2026-09-18 - 00:39
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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 Sep 17, 2026 12:46:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
191019823930,12sleep5491ksoftirqd/507:05:265
191103799376375,1cyclictest2021019-21kworker/1:110:25:021
191103799376375,1cyclictest0-21swapper/112:25:021
191103799374373,1cyclictest3382878-21kworker/1:209:03:021
191103799373372,1cyclictest0-21swapper/110:51:021
191103799373372,1cyclictest0-21swapper/110:51:021
191103799373372,1cyclictest0-21swapper/110:15:021
191103799372371,1cyclictest1910926-21kworker/1:007:14:021
191103799372371,1cyclictest0-21swapper/111:21:021
191103799372371,1cyclictest0-21swapper/110:47:021
191103799372370,1cyclictest0-21swapper/111:50:021
191103799371370,1cyclictest3382878-21kworker/1:209:55:021
191103799371370,1cyclictest3382878-21kworker/1:209:20:021
191103799371370,1cyclictest3382878-21kworker/1:207:30:031
191103799371370,1cyclictest2083270-21kworker/1:112:10:021
191103799371370,1cyclictest0-21swapper/109:25:021
191103799371369,1cyclictest0-21swapper/111:18:021
191103799370369,1cyclictest3382878-21kworker/1:208:30:021
191103799370369,1cyclictest3382878-21kworker/1:208:25:021
191103799370369,1cyclictest3382878-21kworker/1:207:18:021
191103799370369,1cyclictest2065227-21kworker/1:211:28:021
191103799370369,1cyclictest0-21swapper/110:39:021
191103799370368,1cyclictest0-21swapper/111:07:021
191103799369368,1cyclictest3382878-21kworker/1:209:06:021
191103799369368,1cyclictest3382878-21kworker/1:208:21:021
191103799369368,1cyclictest3382878-21kworker/1:207:47:031
191103799369368,1cyclictest2021019-21kworker/1:110:21:021
191103799369368,1cyclictest0-21swapper/109:19:021
191103799369368,1cyclictest0-21swapper/109:19:021
191103799369367,1cyclictest3382878-21kworker/1:208:49:021
191103799369367,1cyclictest0-21swapper/110:33:021
191108299368366,1cyclictest0-21swapper/711:40:027
191103799368367,1cyclictest3382878-21kworker/1:208:12:021
191103799368367,1cyclictest3382878-21kworker/1:207:39:031
191103799368367,1cyclictest2052742-21kworker/1:011:13:021
191103799368367,1cyclictest2021019-21kworker/1:110:13:021
191103799368367,1cyclictest0-21swapper/108:01:021
191103799368366,1cyclictest0-21swapper/110:43:021
191108299367366,1cyclictest0-21swapper/709:21:037
191108299367365,1cyclictest2056129-21kworker/7:111:25:027
191108299367364,2cyclictest0-21swapper/709:39:027
191103799367366,1cyclictest3382878-21kworker/1:209:44:021
191103799367366,1cyclictest3382878-21kworker/1:208:18:021
191103799367366,1cyclictest3382878-21kworker/1:207:52:021
191103799367366,1cyclictest2083270-21kworker/1:112:32:021
191103799367366,1cyclictest2083270-21kworker/1:111:58:021
191103799367365,1cyclictest3382878-21kworker/1:207:29:031
191103799367365,1cyclictest2065227-21kworker/1:211:47:021
191103799366365,1cyclictest3382878-21kworker/1:208:09:021
191103799366365,1cyclictest2083270-21kworker/1:112:17:021
191108299365364,1cyclictest0-21swapper/711:01:027
191108299365364,1cyclictest0-21swapper/710:20:037
191108299365364,1cyclictest0-21swapper/710:14:027
191108299365364,1cyclictest0-21swapper/709:16:037
191108299365364,1cyclictest0-21swapper/709:16:027
191108299365364,1cyclictest0-21swapper/709:01:027
191108299365363,1cyclictest2034822-21kworker/7:010:50:027
191108299365363,1cyclictest2034822-21kworker/7:010:50:027
191108299365363,1cyclictest1923896-21kworker/7:109:30:027
191108299365363,1cyclictest1923896-21kworker/7:108:15:027
191108299365363,1cyclictest0-21swapper/710:45:027
191108299365363,1cyclictest0-21swapper/710:30:037
191108299365363,1cyclictest0-21swapper/709:13:037
191108299365363,1cyclictest0-21swapper/708:06:027
191108299364363,1cyclictest0-21swapper/712:36:027
191108299364363,1cyclictest0-21swapper/712:15:027
191108299364363,1cyclictest0-21swapper/711:05:027
191108299364363,1cyclictest0-21swapper/709:58:027
191108299364363,1cyclictest0-21swapper/707:13:027
191108299364362,2cyclictest1923896-21kworker/7:108:40:027
191108299364362,1cyclictest2074249-21kworker/7:212:30:037
191108299364362,1cyclictest2074249-21kworker/7:211:35:027
191108299364362,1cyclictest1923896-21kworker/7:108:20:027
191108299364362,1cyclictest1923896-21kworker/7:107:55:027
191108299364362,1cyclictest0-21swapper/709:46:027
191108299363362,1cyclictest0-21swapper/712:24:027
191108299363362,1cyclictest0-21swapper/712:24:027
191108299363362,1cyclictest0-21swapper/711:15:027
191108299363362,1cyclictest0-21swapper/711:10:027
191108299363362,1cyclictest0-21swapper/710:56:027
191108299363362,1cyclictest0-21swapper/710:38:027
191108299363362,1cyclictest0-21swapper/710:27:027
191108299363362,1cyclictest0-21swapper/709:54:027
191108299363362,1cyclictest0-21swapper/709:29:037
191108299363362,1cyclictest0-21swapper/707:48:027
191108299363362,1cyclictest0-21swapper/707:38:027
191108299363362,1cyclictest0-21swapper/707:33:027
191108299363361,1cyclictest1923896-21kworker/7:109:09:027
191108299363361,1cyclictest1923896-21kworker/7:108:50:027
191108299363361,1cyclictest1923896-21kworker/7:108:10:027
191108299363361,1cyclictest1923896-21kworker/7:107:40:027
191108299363361,1cyclictest0-21swapper/709:42:027
191108299362361,1cyclictest2074249-21kworker/7:211:45:027
191108299362361,1cyclictest2034822-21kworker/7:010:40:037
191108299362361,1cyclictest0-21swapper/712:12:027
191108299362361,1cyclictest0-21swapper/712:09:027
191108299362361,1cyclictest0-21swapper/711:32:027
191108299362361,1cyclictest0-21swapper/708:31:027
191108299362360,1cyclictest1923896-21kworker/7:108:55:027
191108299361360,1cyclictest1914052-21kworker/7:207:20:027
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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