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2026-05-03 - 10:23
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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 Sun May 03, 2026 00:46:39)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
252703399362360,1cyclictest2560954-21kworker/1:023:04:021
252703399362360,1cyclictest2560954-21kworker/1:023:04:021
252705999347346,1cyclictest3993905-21kworker/4:200:16:024
252702899339337,1cyclictest2709405-21kworker/0:121:52:010
252647823370,10sleep335-21ksoftirqd/319:05:283
252702899326325,1cyclictest2600470-21kworker/u16:221:47:010
252702899322320,1cyclictest0-21swapper/022:41:020
252702899322320,1cyclictest0-21swapper/022:23:010
252702899321319,1cyclictest2709405-21kworker/0:122:32:020
252702899321319,1cyclictest0-21swapper/022:19:010
252702899321319,1cyclictest0-21swapper/021:43:010
252706699320319,1cyclictest0-21swapper/523:04:025
252706699320319,1cyclictest0-21swapper/523:04:015
252702899320319,1cyclictest0-21swapper/000:04:020
252702899320318,1cyclictest0-21swapper/022:09:020
252702899319318,1cyclictest0-21swapper/023:43:020
252702899319318,1cyclictest0-21swapper/021:27:020
252702899319317,1cyclictest0-21swapper/021:21:020
252702899318316,1cyclictest0-21swapper/023:21:020
252702899318316,1cyclictest0-21swapper/022:52:020
252702899317316,1cyclictest0-21swapper/023:28:020
252702899317316,1cyclictest0-21swapper/022:45:010
252702899317316,1cyclictest0-21swapper/000:20:020
252702899317315,1cyclictest2817539-21kworker/0:000:26:020
252702899317315,1cyclictest2817539-21kworker/0:000:26:020
252702899317315,1cyclictest2817539-21kworker/0:000:14:010
252702899317315,1cyclictest0-21swapper/023:30:010
252702899316315,1cyclictest0-21swapper/023:45:020
252702899316315,1cyclictest0-21swapper/023:36:020
252702899316315,1cyclictest0-21swapper/022:01:020
252702899316314,1cyclictest2709405-21kworker/0:122:28:020
252702899316314,1cyclictest0-21swapper/022:58:020
252702899315314,1cyclictest2709405-21kworker/0:121:14:020
252702899315314,1cyclictest0-21swapper/023:16:020
252702899315314,1cyclictest0-21swapper/023:14:010
252702899315314,1cyclictest0-21swapper/000:17:010
252702899315313,1cyclictest0-21swapper/023:09:010
252702899314312,2cyclictest2709405-21kworker/0:121:39:020
252702899314312,1cyclictest0-21swapper/022:12:010
252702899314312,1cyclictest0-21swapper/020:30:020
252702899314312,1cyclictest0-21swapper/019:18:020
252702899313312,1cyclictest2709405-21kworker/0:122:37:010
252702899313311,1cyclictest2709405-21kworker/0:100:09:020
252702899312311,1cyclictest2817539-21kworker/0:000:30:020
252702899312311,1cyclictest0-21swapper/020:18:020
252702899312311,1cyclictest0-21swapper/020:18:020
252702899310309,1cyclictest2709405-21kworker/0:120:47:020
252702899310309,1cyclictest0-21swapper/020:39:020
252702899310309,1cyclictest0-21swapper/019:52:010
252702899310309,1cyclictest0-21swapper/019:22:020
252702899310308,1cyclictest2709405-21kworker/0:120:00:020
252702899309307,1cyclictest2709405-21kworker/0:119:55:010
252702899308307,1cyclictest0-21swapper/020:24:020
252702899308306,1cyclictest2709405-21kworker/0:121:05:020
252702899306305,1cyclictest2709405-21kworker/0:119:31:020
252702899305304,1cyclictest2709405-21kworker/0:120:51:020
252702899305304,1cyclictest2709405-21kworker/0:119:11:020
252702899305303,2cyclictest2709405-21kworker/0:120:12:020
252702899304303,1cyclictest2709405-21kworker/0:120:42:020
252702899304303,1cyclictest2709405-21kworker/0:119:42:020
252702899303302,1cyclictest2709405-21kworker/0:120:27:020
252708199274273,1cyclictest2706230-21kworker/7:123:07:027
252708199274273,1cyclictest2609012-21kworker/7:221:58:017
252708199274273,1cyclictest0-21swapper/722:59:017
252708199274273,1cyclictest0-21swapper/719:15:027
252708199273272,1cyclictest2706230-21kworker/7:123:55:017
252708199273271,1cyclictest2706230-21kworker/7:100:36:027
252708199273271,1cyclictest2609012-21kworker/7:221:40:027
252708199272271,1cyclictest0-21swapper/721:45:027
252708199272271,1cyclictest0-21swapper/721:30:027
252708199271270,1cyclictest0-21swapper/723:46:017
252708199271270,1cyclictest0-21swapper/722:14:027
252708199271268,2cyclictest2609012-21kworker/7:221:50:017
252708199270269,1cyclictest2706230-21kworker/7:123:54:017
252708199270269,1cyclictest0-21swapper/723:03:027
252708199270269,1cyclictest0-21swapper/723:03:017
252708199270269,1cyclictest0-21swapper/722:51:027
252708199270269,1cyclictest0-21swapper/722:43:027
252708199269268,1cyclictest2706230-21kworker/7:123:41:027
252708199269268,1cyclictest2706230-21kworker/7:100:22:027
252708199269268,1cyclictest2609012-21kworker/7:221:23:017
252708199269267,1cyclictest2706230-21kworker/7:123:38:027
252708199269267,1cyclictest0-21swapper/722:47:027
252708199268267,1cyclictest2523900-21kworker/7:119:27:027
252708199268267,1cyclictest0-21swapper/700:05:027
252708199268267,1cyclictest0-21swapper/700:03:027
252708199268266,1cyclictest0-21swapper/723:10:027
252708199267266,1cyclictest2609012-21kworker/7:221:38:027
252708199267266,1cyclictest2557940-21kworker/7:220:01:027
252708199267266,1cyclictest0-21swapper/720:10:027
252708199267265,2cyclictest2706230-21kworker/7:123:23:017
252708199267265,1cyclictest2523900-21kworker/7:119:20:027
252708199266265,1cyclictest2609012-21kworker/7:222:34:027
252708199266265,1cyclictest2609012-21kworker/7:222:17:027
252708199266264,1cyclictest0-21swapper/722:22:017
252708199266264,1cyclictest0-21swapper/722:06:027
252708199266264,1cyclictest0-21swapper/721:10:027
252708199266264,1cyclictest0-21swapper/719:10:017
252708199265264,1cyclictest2557940-21kworker/7:220:40:017
252708199264263,1cyclictest2609012-21kworker/7:221:26:027
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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