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2026-05-21 - 21:18
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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 May 21, 2026 12:46:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1001355993810,380cyclictest0-21swapper/510:40:025
100135599378377,1cyclictest1125519-21kworker/5:211:32:015
100135599377376,1cyclictest1116491-21kworker/5:010:25:025
100135599377376,1cyclictest0-21swapper/512:00:025
100135599377375,1cyclictest1125519-21kworker/5:210:55:025
100135599377375,1cyclictest1125519-21kworker/5:210:55:025
100135599376375,1cyclictest1023204-21kworker/5:208:30:025
100135599376375,1cyclictest0-21swapper/510:30:025
100135599376375,1cyclictest0-21swapper/508:11:025
100135599375374,1cyclictest1125519-21kworker/5:211:25:025
100135599375374,1cyclictest1023204-21kworker/5:209:22:025
100135599375374,1cyclictest1023204-21kworker/5:209:00:025
100135599375374,1cyclictest1023204-21kworker/5:208:27:025
100135599375374,1cyclictest1023204-21kworker/5:208:05:025
100135599375373,1cyclictest1101445-21kworker/5:110:11:025
100135599374373,1cyclictest1125519-21kworker/5:211:20:025
100135599374373,1cyclictest1125519-21kworker/5:211:01:025
100135599374373,1cyclictest0-21swapper/509:45:025
100135599374373,1cyclictest0-21swapper/508:45:025
100135599374373,1cyclictest0-21swapper/507:55:025
100135599374372,1cyclictest0-21swapper/509:43:025
100135599373372,1cyclictest1125519-21kworker/5:212:30:015
100135599373372,1cyclictest1125519-21kworker/5:211:55:025
100135599373372,1cyclictest1023204-21kworker/5:209:35:025
100135599373372,1cyclictest0-21swapper/511:50:025
100135599373372,1cyclictest0-21swapper/509:50:015
100135599373372,1cyclictest0-21swapper/509:33:025
100135599373372,1cyclictest0-21swapper/507:20:025
100135599373372,1cyclictest0-21swapper/507:15:025
100135599372371,1cyclictest975302-21kworker/5:007:36:025
100135599372371,1cyclictest1125519-21kworker/5:211:49:015
100135599372371,1cyclictest1125519-21kworker/5:211:15:025
100135599372371,1cyclictest0-21swapper/512:13:025
100135599372371,1cyclictest0-21swapper/512:05:025
100135599372371,1cyclictest0-21swapper/511:35:015
100135599372371,1cyclictest0-21swapper/510:45:025
100135599372371,1cyclictest0-21swapper/510:00:025
100135599372371,1cyclictest0-21swapper/509:09:025
100135599372371,1cyclictest0-21swapper/507:30:025
100135599372371,1cyclictest0-21swapper/507:10:025
100135599371370,1cyclictest975302-21kworker/5:007:41:025
100135599371370,1cyclictest1101445-21kworker/5:110:18:025
100135599371370,1cyclictest1023204-21kworker/5:209:19:025
100135599371370,1cyclictest0-21swapper/510:21:025
100135599371370,1cyclictest0-21swapper/509:14:025
100135599371370,1cyclictest0-21swapper/508:35:025
100135599371370,1cyclictest0-21swapper/507:53:025
100135599371370,1cyclictest0-21swapper/507:49:025
100135599371370,1cyclictest0-21swapper/507:26:025
100135599370369,1cyclictest1023204-21kworker/5:208:02:025
100135599370369,1cyclictest1023204-21kworker/5:208:02:025
100135599370369,1cyclictest0-21swapper/512:36:025
100135599370369,1cyclictest0-21swapper/512:21:025
100135599370368,1cyclictest0-21swapper/511:42:015
100135599370368,1cyclictest0-21swapper/510:51:025
100135599369368,1cyclictest1125519-21kworker/5:211:11:025
100135599369368,1cyclictest1023204-21kworker/5:208:21:025
100135599369368,1cyclictest0-21swapper/509:56:015
100135599369368,1cyclictest0-21swapper/508:42:025
100135599369368,1cyclictest0-21swapper/508:16:025
100135599369367,1cyclictest1023204-21kworker/5:209:28:025
100135599369367,1cyclictest1023204-21kworker/5:209:28:025
100135599368367,1cyclictest1101445-21kworker/5:110:08:025
100135599368367,1cyclictest1023204-21kworker/5:208:53:025
100135599368367,1cyclictest0-21swapper/512:26:025
100135599368367,1cyclictest0-21swapper/512:26:025
100134299349347,1cyclictest0-21swapper/309:42:023
100134299325324,1cyclictest1080381-21kworker/3:210:38:023
100137099324322,1cyclictest1062327-21kworker/7:109:42:017
100134299323322,1cyclictest0-21swapper/308:15:023
100134299322321,1cyclictest0-21swapper/309:55:023
100134299321320,1cyclictest1035243-21kworker/3:009:15:013
100134299321320,1cyclictest0-21swapper/310:50:023
100134299320319,1cyclictest0-21swapper/311:10:023
100134299320318,1cyclictest0-21swapper/307:35:013
100132199320319,1cyclictest1245300-21kworker/0:008:10:020
100132199320318,1cyclictest1245300-21kworker/0:011:53:020
100134299319318,1cyclictest1080381-21kworker/3:210:05:013
100134299319318,1cyclictest0-21swapper/309:05:023
100134299318317,1cyclictest1035243-21kworker/3:009:25:013
100134299318317,1cyclictest1035243-21kworker/3:009:25:013
100134299318317,1cyclictest0-21swapper/310:01:023
100134299318317,1cyclictest0-21swapper/307:16:023
100134299318316,1cyclictest1158612-21kworker/3:112:32:023
100132199318317,1cyclictest1245300-21kworker/0:008:20:020
100132199318317,1cyclictest1245300-21kworker/0:007:45:020
100134299317316,1cyclictest1035243-21kworker/3:008:55:013
100132199317316,1cyclictest1245300-21kworker/0:010:35:020
100134299316315,1cyclictest1035243-21kworker/3:009:24:013
100134299316315,1cyclictest0-21swapper/309:31:023
100134299316315,1cyclictest0-21swapper/307:21:013
100134299315314,1cyclictest1080381-21kworker/3:211:07:023
100134299315314,1cyclictest0-21swapper/310:49:023
100134299315313,1cyclictest0-21swapper/309:03:013
100132199315314,1cyclictest1245300-21kworker/0:011:45:020
100132199315314,1cyclictest1245300-21kworker/0:009:40:020
100132199315313,2cyclictest1245300-21kworker/0:009:20:020
100134299314313,1cyclictest0-21swapper/310:34:023
100134299314313,1cyclictest0-21swapper/308:48:013
100134299314313,1cyclictest0-21swapper/308:32:023
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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