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2026-05-18 - 05:06
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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 Mon May 18, 2026 00:46:39)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3730888993811,379cyclictest0-21swapper/419:27:024
3730888993810,380cyclictest0-21swapper/420:32:024
3730888993810,380cyclictest0-21swapper/420:32:014
3730888993810,380cyclictest0-21swapper/419:12:014
3730888993800,379cyclictest0-21swapper/420:12:024
3730888993800,1cyclictest0-21swapper/419:47:024
3730888993800,1cyclictest0-21swapper/419:43:024
373087499380379,1cyclictest3770787-21kworker/2:023:17:022
373087499379378,1cyclictest3770787-21kworker/2:000:16:022
373087499378376,1cyclictest3770787-21kworker/2:022:39:022
373087499378376,1cyclictest0-21swapper/220:55:022
373087499378376,1cyclictest0-21swapper/200:02:022
373087499378375,2cyclictest3770787-21kworker/2:023:55:022
373087499377376,1cyclictest3770787-21kworker/2:022:41:022
373087499377376,1cyclictest0-21swapper/223:11:022
373087499377376,1cyclictest0-21swapper/200:30:022
373087499376375,1cyclictest3770787-21kworker/2:022:49:022
373087499376375,1cyclictest3770787-21kworker/2:021:19:022
373087499376375,1cyclictest0-21swapper/223:03:022
373087499376375,1cyclictest0-21swapper/222:59:012
373087499376375,1cyclictest0-21swapper/222:34:022
373087499376375,1cyclictest0-21swapper/222:25:022
373087499376375,1cyclictest0-21swapper/221:46:012
373087499375374,1cyclictest4028537-21kworker/2:100:22:022
373087499375374,1cyclictest0-21swapper/219:44:022
3730874993750,1cyclictest0-21swapper/223:38:012
373087499374373,1cyclictest3770787-21kworker/2:021:24:012
373087499374373,1cyclictest0-21swapper/221:14:022
373087499374373,1cyclictest0-21swapper/221:07:022
373087499374372,2cyclictest3770787-21kworker/2:022:15:022
373087499374371,1cyclictest3770787-21kworker/2:022:14:022
373087499373372,1cyclictest4028537-21kworker/2:100:27:022
373087499373372,1cyclictest3770787-21kworker/2:023:20:022
373087499373372,1cyclictest3770787-21kworker/2:022:21:022
373087499373372,1cyclictest3770787-21kworker/2:021:39:022
373087499373372,1cyclictest0-21swapper/220:10:022
373087499373370,2cyclictest3770787-21kworker/2:023:33:012
373087499372371,1cyclictest3770787-21kworker/2:023:46:022
373087499372371,1cyclictest3770787-21kworker/2:022:50:012
373087499371370,1cyclictest3770787-21kworker/2:021:26:022
373087499371370,1cyclictest3770787-21kworker/2:000:14:022
373087499371369,1cyclictest0-21swapper/220:46:022
373087499370369,1cyclictest4028537-21kworker/2:100:38:022
373087499370368,1cyclictest4034424-21kworker/2:219:37:022
373085999369368,1cyclictest3701524-21kworker/0:300:06:020
373087499368367,1cyclictest4034424-21kworker/2:219:53:022
373087499368367,1cyclictest3770787-21kworker/2:020:41:022
373087499368366,1cyclictest3770787-21kworker/2:020:38:022
373087499367366,1cyclictest4034424-21kworker/2:219:22:022
373087499367365,1cyclictest4034424-21kworker/2:219:48:022
373087499366365,1cyclictest4034424-21kworker/2:219:31:022
373087499366364,1cyclictest4034424-21kworker/2:219:56:022
373087499365364,1cyclictest4034424-21kworker/2:219:28:022
373087499365364,1cyclictest3770787-21kworker/2:020:18:022
373087499365363,1cyclictest4034424-21kworker/2:220:06:022
373015123520,12sleep4421ksoftirqd/419:05:284
373085999323322,1cyclictest0-21swapper/000:11:020
373088199322321,1cyclictest3834449-21kworker/3:223:39:023
373085999321319,1cyclictest3701524-21kworker/0:323:32:020
373085999320318,1cyclictest0-21swapper/021:23:020
373085999319317,1cyclictest0-21swapper/021:43:020
373085999318317,1cyclictest0-21swapper/023:24:020
373085999318316,1cyclictest0-21swapper/021:34:020
373085999318316,1cyclictest0-21swapper/000:24:010
373085999318316,1cyclictest0-21swapper/000:03:020
373089699317316,1cyclictest0-21swapper/521:20:025
373085999317316,1cyclictest0-21swapper/023:35:020
373085999317316,1cyclictest0-21swapper/019:15:020
373085999317315,1cyclictest0-21swapper/022:55:020
373089699316314,1cyclictest0-21swapper/523:13:025
373085999316315,1cyclictest0-21swapper/023:26:020
373085999316315,1cyclictest0-21swapper/023:26:020
373085999316314,1cyclictest3701524-21kworker/0:300:26:020
373085999316314,1cyclictest0-21swapper/023:50:020
373085999316314,1cyclictest0-21swapper/022:01:020
373085999316314,1cyclictest0-21swapper/000:15:010
373085999315314,1cyclictest0-21swapper/021:55:020
373085999315314,1cyclictest0-21swapper/021:55:020
373085999315313,1cyclictest3701524-21kworker/0:322:36:020
373085999315313,1cyclictest0-21swapper/023:15:020
373085999315313,1cyclictest0-21swapper/020:09:020
373089699314311,2cyclictest3929208-21kworker/5:123:47:025
373085999314312,1cyclictest3701524-21kworker/0:322:40:020
373085999314312,1cyclictest0-21swapper/023:45:010
373085999314312,1cyclictest0-21swapper/022:12:020
373088199313311,1cyclictest4028711-21kworker/3:100:17:023
373085999313312,1cyclictest3701524-21kworker/0:323:44:020
373085999313312,1cyclictest3701524-21kworker/0:322:33:020
373085999313312,1cyclictest0-21swapper/023:10:010
373085999313311,1cyclictest0-21swapper/022:17:020
373088199312311,1cyclictest0-21swapper/323:34:023
373088199312309,2cyclictest3834449-21kworker/3:223:16:013
373085999312310,1cyclictest3701524-21kworker/0:300:31:020
373089699311309,1cyclictest4011335-21kworker/5:000:00:025
373088199311310,1cyclictest0-21swapper/323:29:023
373088199311310,1cyclictest0-21swapper/323:29:023
373088199311310,1cyclictest0-21swapper/323:01:023
373088199311309,2cyclictest3834449-21kworker/3:223:43:023
373088199311309,1cyclictest3834449-21kworker/3:222:28:023
373085999311310,1cyclictest3701524-21kworker/0:321:13:020
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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