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2026-06-23 - 11:44
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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 Jun 23, 2026 00:46:38)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
6832799393391,1cyclictest111254-21kworker/3:023:36:023
6832799391390,1cyclictest111254-21kworker/3:023:05:013
6832799391390,1cyclictest111254-21kworker/3:021:55:023
6832799391389,1cyclictest111254-21kworker/3:021:44:013
6832799390389,1cyclictest111254-21kworker/3:023:23:013
6832799389386,2cyclictest0-21swapper/323:10:023
6832799388387,1cyclictest111254-21kworker/3:021:36:023
6832799388385,2cyclictest97550irq/166-enp0s3123:50:033
6832799387386,1cyclictest111254-21kworker/3:022:25:013
6832799387386,1cyclictest111254-21kworker/3:022:09:013
6832799387386,1cyclictest0-21swapper/322:14:023
6832799387386,1cyclictest0-21swapper/319:32:013
6832799387385,1cyclictest0-21swapper/319:40:013
6832799386385,1cyclictest111254-21kworker/3:023:44:023
6832799386385,1cyclictest111254-21kworker/3:022:21:013
6832799386385,1cyclictest0-21swapper/323:47:033
6832799386385,1cyclictest0-21swapper/322:44:023
6832799385384,1cyclictest111254-21kworker/3:022:58:033
6832799384383,1cyclictest379746-21kworker/3:100:32:023
6832799383382,1cyclictest111254-21kworker/3:021:10:013
6832799383382,1cyclictest111254-21kworker/3:020:45:013
6832799383381,1cyclictest339841-21kworker/3:219:25:023
6832799382381,1cyclictest111254-21kworker/3:020:36:023
6832799381380,1cyclictest339841-21kworker/3:220:17:023
6832799381380,1cyclictest339841-21kworker/3:219:51:023
6832799381379,1cyclictest339841-21kworker/3:220:12:023
6835699380379,1cyclictest0-21swapper/723:33:017
6832799380378,1cyclictest379746-21kworker/3:100:37:023
6832799379377,1cyclictest111254-21kworker/3:022:31:023
6832799379376,2cyclictest111254-21kworker/3:020:21:023
6832799378376,2cyclictest111254-21kworker/3:020:28:023
6832799377376,1cyclictest0-21swapper/319:35:013
6832799377375,1cyclictest0-21swapper/300:04:023
6830399377376,1cyclictest162264-21kworker/0:021:40:010
6832799376374,1cyclictest0-21swapper/320:43:013
6835699374372,1cyclictest0-21swapper/721:28:017
6830399374372,2cyclictest169417-21kworker/0:221:54:010
6830399373371,2cyclictest169417-21kworker/0:221:57:020
6830399373371,1cyclictest283520-21kworker/0:121:24:010
6830399373371,1cyclictest0-21swapper/000:11:030
6835699372370,1cyclictest0-21swapper/723:22:027
6832799371370,1cyclictest339841-21kworker/3:219:13:023
6830399371370,1cyclictest0-21swapper/022:43:010
6830399370369,1cyclictest162264-21kworker/0:021:38:020
6830399370368,1cyclictest198429-21kworker/0:100:17:030
6830399370368,1cyclictest0-21swapper/000:28:030
6830399369367,1cyclictest283520-21kworker/0:121:19:010
6830899368367,1cyclictest138344-21kworker/1:023:28:011
6830899368367,1cyclictest138344-21kworker/1:023:28:011
6830899368367,1cyclictest0-21swapper/123:13:011
6830399368367,1cyclictest198429-21kworker/0:123:42:020
6830399368367,1cyclictest198429-21kworker/0:123:03:020
6830399368367,1cyclictest198429-21kworker/0:100:07:020
6830399368367,1cyclictest0-21swapper/023:32:030
6830899367366,1cyclictest138344-21kworker/1:023:37:021
6830899367366,1cyclictest138344-21kworker/1:022:35:011
6830899367365,1cyclictest0-21swapper/123:31:011
6830399367366,1cyclictest0-21swapper/000:39:020
6830399367365,1cyclictest283520-21kworker/0:119:15:020
6830399367365,1cyclictest0-21swapper/022:49:010
6835699366365,1cyclictest0-21swapper/721:59:017
6830899366365,1cyclictest138344-21kworker/1:022:04:021
6830899366365,1cyclictest138344-21kworker/1:022:04:021
6830899366364,1cyclictest138344-21kworker/1:021:21:011
6830399366365,1cyclictest198429-21kworker/0:123:14:010
6830399366365,1cyclictest0-21swapper/020:05:010
6830399366364,1cyclictest283520-21kworker/0:120:41:010
6830399366364,1cyclictest198429-21kworker/0:122:20:020
6830899365363,1cyclictest0-21swapper/122:27:021
6830399365364,1cyclictest283520-21kworker/0:120:37:010
6830399365364,1cyclictest198429-21kworker/0:123:18:020
6830399365364,1cyclictest0-21swapper/022:55:020
6830399365364,1cyclictest0-21swapper/021:45:010
6830399365364,1cyclictest0-21swapper/019:47:020
6830899364363,1cyclictest0-21swapper/122:50:021
6830899364362,1cyclictest138344-21kworker/1:021:30:011
6830899364362,1cyclictest138344-21kworker/1:021:18:021
6830399364362,1cyclictest0-21swapper/019:28:010
6830899363361,2cyclictest138344-21kworker/1:021:25:011
6830399363362,1cyclictest283520-21kworker/0:121:05:010
6830399363362,1cyclictest198429-21kworker/0:122:51:020
6830399363362,1cyclictest0-21swapper/023:56:020
6830399363362,1cyclictest0-21swapper/023:24:030
6830399363362,1cyclictest0-21swapper/022:17:020
6830399363362,1cyclictest0-21swapper/021:00:020
6830399363362,1cyclictest0-21swapper/000:01:020
6830899362361,1cyclictest0-21swapper/121:37:021
6830399362361,1cyclictest0-21swapper/023:49:030
6830899361360,1cyclictest138344-21kworker/1:022:57:011
6830899361360,1cyclictest0-21swapper/123:00:021
6830899361360,1cyclictest0-21swapper/122:34:031
6830899361360,1cyclictest0-21swapper/120:46:021
6830399361360,1cyclictest0-21swapper/020:32:020
6830899360359,1cyclictest0-21swapper/122:45:011
6830899360359,1cyclictest0-21swapper/122:13:021
6830899360358,2cyclictest138344-21kworker/1:021:51:011
6830899360358,1cyclictest138344-21kworker/1:023:15:011
6830399360359,1cyclictest0-21swapper/020:54:010
6835699359356,1cyclictest0-21swapper/722:19:027
6830899359358,1cyclictest93199-21kworker/1:220:11:011
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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