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2026-04-23 - 22:16
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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 23, 2026 12:46:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
341131499382380,1cyclictest0-21swapper/311:01:023
3411336993810,380cyclictest0-21swapper/607:53:026
3411336993810,380cyclictest0-21swapper/607:18:036
341131499381379,1cyclictest0-21swapper/310:13:023
341131499381379,1cyclictest0-21swapper/310:03:033
3411314993810,380cyclictest0-21swapper/310:51:033
3411336993800,379cyclictest0-21swapper/609:53:036
3411336993800,379cyclictest0-21swapper/609:46:036
3411336993800,379cyclictest0-21swapper/609:32:036
3411336993800,1cyclictest0-21swapper/611:44:036
3411336993800,1cyclictest0-21swapper/610:46:036
3411336993800,1cyclictest0-21swapper/609:04:026
341131499380378,1cyclictest0-21swapper/310:07:023
341131499380378,1cyclictest0-21swapper/308:51:033
341131499380377,1cyclictest0-21swapper/309:00:033
3411336993790,0cyclictest0-21swapper/607:41:026
341131499379377,1cyclictest0-21swapper/309:11:033
341131499378377,1cyclictest3439196-21kworker/3:109:31:033
341131499378377,1cyclictest0-21swapper/307:39:023
341131499378376,1cyclictest0-21swapper/312:17:023
341131499378376,1cyclictest0-21swapper/311:07:023
341131499378376,1cyclictest0-21swapper/307:11:023
341131499377375,1cyclictest0-21swapper/310:59:033
341131499377374,1cyclictest0-21swapper/311:40:033
341129599373372,1cyclictest3502374-21kworker/1:210:35:021
341129599372371,1cyclictest3421150-21kworker/1:111:17:021
341131499371370,1cyclictest0-21swapper/310:43:023
341131499371369,1cyclictest0-21swapper/308:45:023
341129599371369,1cyclictest687119-21kworker/1:008:15:021
341129599371369,1cyclictest687119-21kworker/1:008:15:021
341129599370368,1cyclictest3502374-21kworker/1:211:33:021
341129599370368,1cyclictest3502374-21kworker/1:210:23:031
341131499369368,1cyclictest0-21swapper/312:26:023
341131499369368,1cyclictest0-21swapper/311:15:023
341131499369367,1cyclictest0-21swapper/311:20:023
341129599369368,1cyclictest3502374-21kworker/1:209:45:021
341129599369367,1cyclictest687119-21kworker/1:007:49:031
341129599369367,1cyclictest0-21swapper/107:10:021
341131499368367,1cyclictest1276315-21kworker/3:207:40:023
341131499368366,2cyclictest1276315-21kworker/3:207:56:023
341131499368366,1cyclictest3439196-21kworker/3:111:37:023
341131499368366,1cyclictest3439196-21kworker/3:109:40:033
341131499368366,1cyclictest3439196-21kworker/3:109:40:023
341131499368366,1cyclictest1276315-21kworker/3:208:43:023
341131499368366,1cyclictest0-21swapper/311:29:023
341131499368366,1cyclictest0-21swapper/308:12:023
341129599368366,1cyclictest0-21swapper/110:05:021
341131499367365,1cyclictest0-21swapper/309:52:033
341131499367365,1cyclictest0-21swapper/307:25:013
341131499366365,1cyclictest3595633-21kworker/3:012:22:023
341131499366365,1cyclictest3439196-21kworker/3:109:47:033
341131499366365,1cyclictest3439196-21kworker/3:109:24:033
341131499366365,1cyclictest0-21swapper/311:53:023
341131499366365,1cyclictest0-21swapper/307:50:023
341131499366364,1cyclictest3595633-21kworker/3:012:38:033
341131499366364,1cyclictest3595633-21kworker/3:012:38:023
341131499366364,1cyclictest3439196-21kworker/3:108:58:033
341131499366364,1cyclictest1276315-21kworker/3:208:39:023
341131499366364,1cyclictest0-21swapper/307:24:023
341131499365364,1cyclictest3439196-21kworker/3:110:30:023
341131499365364,1cyclictest0-21swapper/309:16:033
341131499365364,1cyclictest0-21swapper/308:31:023
341131499365364,1cyclictest0-21swapper/308:29:023
341131499365363,1cyclictest3439196-21kworker/3:109:57:023
341131499365363,1cyclictest3439196-21kworker/3:109:37:023
341131499365363,1cyclictest0-21swapper/311:56:023
341131499365363,1cyclictest0-21swapper/310:29:033
341129599365363,1cyclictest0-21swapper/109:00:021
341129599365362,2cyclictest3421150-21kworker/1:109:20:031
341131499364363,1cyclictest3439196-21kworker/3:111:14:023
341131499364363,1cyclictest3439196-21kworker/3:111:14:023
341131499364363,1cyclictest3439196-21kworker/3:109:27:033
341131499364363,1cyclictest1276315-21kworker/3:208:02:023
341129599364362,1cyclictest3601652-21kworker/1:012:36:021
341129599364362,1cyclictest3601652-21kworker/1:012:36:021
341131499363362,1cyclictest0-21swapper/310:17:033
341131499363362,1cyclictest0-21swapper/307:16:033
341129599363361,1cyclictest3502374-21kworker/1:211:13:021
341129599363361,1cyclictest3502374-21kworker/1:211:13:021
341131499362361,1cyclictest1276315-21kworker/3:208:17:023
341131499362361,1cyclictest1276315-21kworker/3:208:17:023
341129599362361,1cyclictest3502374-21kworker/1:210:40:021
341129599362361,1cyclictest0-21swapper/112:33:021
341129599362361,1cyclictest0-21swapper/110:55:031
341129599362361,1cyclictest0-21swapper/110:19:021
341129599362361,1cyclictest0-21swapper/109:51:021
341129599362361,1cyclictest0-21swapper/107:26:031
341129599362360,1cyclictest0-21swapper/108:47:031
341129599361360,1cyclictest0-21swapper/107:34:021
341129599361359,1cyclictest687119-21kworker/1:008:23:031
341129599361359,1cyclictest687119-21kworker/1:007:52:021
341129599361359,1cyclictest0-21swapper/112:09:021
341129599361359,1cyclictest0-21swapper/111:47:021
341129599361359,1cyclictest0-21swapper/110:50:021
341129599360358,1cyclictest3502374-21kworker/1:212:23:021
341129599360358,1cyclictest0-21swapper/108:07:021
341129599359358,1cyclictest0-21swapper/110:00:021
341129599359357,1cyclictest3502374-21kworker/1:211:59:021
341129599358357,1cyclictest3421150-21kworker/1:109:10:031
341129599358357,1cyclictest0-21swapper/108:10:031
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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