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2026-08-04 - 11:26
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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 Tue Aug 04, 2026 00:46:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2739167993910,1cyclictest0-21swapper/600:09:026
273915499390388,2cyclictest2821771-21kworker/4:123:43:014
273915499390388,2cyclictest2821771-21kworker/4:123:43:014
273915499389388,1cyclictest2821771-21kworker/4:123:15:014
2739154993890,388cyclictest0-21swapper/422:24:014
273915499387385,1cyclictest0-21swapper/422:00:024
273916799386383,2cyclictest3012832-21kworker/6:222:31:026
273722523860,6sleep50-21swapper/519:05:165
273915499385384,1cyclictest2821771-21kworker/4:123:33:024
273915499385384,1cyclictest2821771-21kworker/4:123:22:024
273915499385384,1cyclictest2821771-21kworker/4:122:33:014
273915499385384,1cyclictest2794118-21kworker/4:221:17:024
273915499385384,1cyclictest0-21swapper/400:10:014
273916799384382,1cyclictest2914817-21kworker/u16:022:36:496
273915499384383,1cyclictest2821771-21kworker/4:121:54:024
273915499384383,1cyclictest2794118-21kworker/4:220:54:024
273915499384382,1cyclictest2821771-21kworker/4:123:06:024
273916799383380,2cyclictest3012832-21kworker/6:222:58:026
273915499383382,1cyclictest2821771-21kworker/4:123:26:034
273915499383382,1cyclictest2794118-21kworker/4:220:55:024
273916799382381,1cyclictest0-21swapper/600:20:026
273916799382380,1cyclictest3012832-21kworker/6:223:51:016
273915499382381,1cyclictest3000568-21kworker/4:119:52:014
273915499382381,1cyclictest3000568-21kworker/4:119:25:024
273915499382380,1cyclictest0-21swapper/420:20:014
273916799381379,1cyclictest3012832-21kworker/6:221:16:016
273915499381380,1cyclictest3000568-21kworker/4:119:41:014
273916799380379,1cyclictest0-21swapper/600:36:026
273916799380378,2cyclictest3012832-21kworker/6:222:14:016
273916799380378,1cyclictest3012832-21kworker/6:221:10:026
273915499380379,1cyclictest2794118-21kworker/4:221:01:014
273915499380378,1cyclictest3000568-21kworker/4:119:58:024
273916799379378,1cyclictest3012832-21kworker/6:222:46:016
273916799379378,1cyclictest0-21swapper/621:57:026
273916799379377,1cyclictest3018012-21kworker/6:000:33:026
273915499379378,1cyclictest2821771-21kworker/4:123:35:014
273915499379378,1cyclictest2821771-21kworker/4:123:11:014
273915499379378,1cyclictest2794118-21kworker/4:220:48:014
273915499379377,1cyclictest2821771-21kworker/4:100:17:024
273915499379377,1cyclictest0-21swapper/422:25:024
273916799378377,1cyclictest0-21swapper/622:53:026
273916799378376,1cyclictest3012832-21kworker/6:219:45:026
273915499378377,1cyclictest3000568-21kworker/4:119:32:024
273915499378377,1cyclictest2821771-21kworker/4:123:57:024
273915499378377,1cyclictest2821771-21kworker/4:122:07:024
273915499378377,1cyclictest2821771-21kworker/4:121:59:014
273915499378377,1cyclictest0-21swapper/420:44:014
273915499378377,1cyclictest0-21swapper/419:46:014
273915499378377,1cyclictest0-21swapper/400:38:014
273915499378376,1cyclictest0-21swapper/421:14:024
273915499378376,1cyclictest0-21swapper/400:26:014
273916799377376,1cyclictest3012832-21kworker/6:222:15:026
273916799377376,1cyclictest3012832-21kworker/6:222:15:016
273915499377376,1cyclictest0-21swapper/420:17:014
273916799376375,1cyclictest3012832-21kworker/6:219:40:026
273916799376374,1cyclictest3012832-21kworker/6:221:33:026
273915499376375,1cyclictest0-21swapper/423:49:014
273915499376375,1cyclictest0-21swapper/421:49:024
273915499376375,1cyclictest0-21swapper/400:04:014
273916799375374,1cyclictest3012832-21kworker/6:221:46:016
273915499375374,1cyclictest2821771-21kworker/4:122:59:024
273915499375374,1cyclictest0-21swapper/419:14:014
273916799374373,1cyclictest3012832-21kworker/6:223:18:026
273916799374373,1cyclictest3012832-21kworker/6:221:25:016
273916799374373,1cyclictest3012832-21kworker/6:219:15:026
273916799374372,1cyclictest3012832-21kworker/6:221:52:016
273916799374372,1cyclictest0-21swapper/621:20:016
273916799374371,2cyclictest3012832-21kworker/6:223:12:016
273916799373371,1cyclictest3012832-21kworker/6:223:23:026
273915499373371,1cyclictest3000568-21kworker/4:119:20:024
273915499373371,1cyclictest3000568-21kworker/4:119:20:024
273916799372371,1cyclictest3012832-21kworker/6:222:23:026
273916799372371,1cyclictest3012832-21kworker/6:221:42:016
273916799372371,1cyclictest0-21swapper/600:25:016
273916799372370,1cyclictest3012832-21kworker/6:223:08:016
273915499372371,1cyclictest0-21swapper/420:00:024
273916799370369,1cyclictest3012832-21kworker/6:223:36:026
273916799370368,1cyclictest3012832-21kworker/6:223:27:016
273916799369368,1cyclictest3012832-21kworker/6:220:14:026
273916799369368,1cyclictest0-21swapper/623:30:026
273916799369368,1cyclictest0-21swapper/621:37:026
273916799369367,1cyclictest3012832-21kworker/6:220:25:026
273915499369368,1cyclictest0-21swapper/420:33:024
273915499369368,1cyclictest0-21swapper/419:37:014
273915499369367,1cyclictest0-21swapper/420:36:024
273916799368367,1cyclictest3012832-21kworker/6:219:39:016
273916799368367,1cyclictest3012832-21kworker/6:219:30:016
273916799368366,1cyclictest3012832-21kworker/6:221:06:026
273915499368367,1cyclictest0-21swapper/420:07:014
273915499368367,1cyclictest0-21swapper/419:16:014
273916799367366,1cyclictest3012832-21kworker/6:220:05:016
273916799367366,1cyclictest0-21swapper/620:01:016
273916799365363,2cyclictest3012832-21kworker/6:219:24:026
273916799365363,2cyclictest3012832-21kworker/6:219:24:026
273916799365363,1cyclictest0-21swapper/620:46:026
273916799364363,1cyclictest3012832-21kworker/6:221:02:016
273916799364362,1cyclictest3012832-21kworker/6:220:52:026
273913899364363,1cyclictest3010762-21kworker/2:200:09:022
273916799362360,1cyclictest3012832-21kworker/6:220:18:026
273913899354353,1cyclictest2773019-1kworker/u17:122:32:012
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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