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2026-03-20 - 15:50
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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 Fri Mar 20, 2026 12:46:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
371132999382380,1cyclictest3835441-21kworker/7:112:30:027
371132999381379,1cyclictest981027-21kworker/7:007:55:027
371132999381379,1cyclictest3835441-21kworker/7:112:01:027
3711329993810,380cyclictest0-21swapper/710:33:027
3711329993810,380cyclictest0-21swapper/710:22:027
3711329993810,380cyclictest0-21swapper/708:52:027
3711329993810,380cyclictest0-21swapper/707:31:027
3711316993810,380cyclictest4010045-21kworker/5:207:15:025
371132999380379,1cyclictest0-21swapper/708:16:027
371132999380378,1cyclictest3835441-21kworker/7:110:44:027
371132999380378,1cyclictest3808374-21kworker/7:210:10:027
371132999380378,1cyclictest3778285-21kworker/7:109:15:027
371132999380378,1cyclictest0-21swapper/711:28:027
371132999380378,1cyclictest0-21swapper/710:26:027
371132999380378,1cyclictest0-21swapper/707:48:027
3711329993800,379cyclictest0-21swapper/712:22:027
3711329993800,379cyclictest0-21swapper/712:22:027
3711329993800,379cyclictest0-21swapper/711:55:027
3711329993800,379cyclictest0-21swapper/711:48:027
3711329993800,379cyclictest0-21swapper/710:59:027
3711329993800,379cyclictest0-21swapper/709:41:027
3711329993800,379cyclictest0-21swapper/707:25:027
3711329993800,1cyclictest0-21swapper/710:05:027
371132999379378,1cyclictest0-21swapper/711:41:027
371132999379378,1cyclictest0-21swapper/710:02:017
371132999379378,1cyclictest0-21swapper/709:48:027
371132999379377,1cyclictest3778285-21kworker/7:109:04:027
3711329993790,379cyclictest0-21swapper/709:39:027
3711329993790,379cyclictest0-21swapper/709:39:027
3711329993790,378cyclictest0-21swapper/708:20:027
371132999378377,1cyclictest0-21swapper/707:53:027
371132999378376,1cyclictest981027-21kworker/7:008:47:027
371132999378376,1cyclictest3808374-21kworker/7:209:54:017
371132999377376,1cyclictest3835441-21kworker/7:111:35:027
371132999377376,1cyclictest3835441-21kworker/7:111:05:027
371132999377375,1cyclictest981027-21kworker/7:008:03:027
371132999377375,1cyclictest3835441-21kworker/7:112:39:027
371132999377375,1cyclictest3835441-21kworker/7:112:07:027
371132999377375,1cyclictest3778285-21kworker/7:109:11:027
371132999377375,1cyclictest3778285-21kworker/7:109:07:027
371132999376374,1cyclictest981027-21kworker/7:007:17:027
371132999376374,1cyclictest3835441-21kworker/7:112:19:027
371132999376374,1cyclictest3835441-21kworker/7:111:31:027
371132999376374,1cyclictest3778285-21kworker/7:109:28:027
371132999375374,1cyclictest981027-21kworker/7:007:36:027
371132999375374,1cyclictest3835441-21kworker/7:110:38:027
371132999374373,1cyclictest3808374-21kworker/7:209:59:027
371132999374372,1cyclictest981027-21kworker/7:008:07:027
371132999374372,1cyclictest981027-21kworker/7:008:07:027
371131699374372,1cyclictest4010045-21kworker/5:207:43:025
371132999373372,1cyclictest3835441-21kworker/7:111:12:027
371132999373371,1cyclictest3835441-21kworker/7:111:04:027
371132999373371,1cyclictest3835441-21kworker/7:111:04:027
371131699372370,1cyclictest0-21swapper/509:50:025
371131699371370,1cyclictest3865526-21kworker/5:212:08:025
371131699371370,1cyclictest3738845-21kworker/5:108:45:025
371131699371370,1cyclictest0-21swapper/511:20:015
371131699370369,1cyclictest4010045-21kworker/5:207:29:025
371131699370369,1cyclictest0-21swapper/509:00:025
371131699370369,1cyclictest0-21swapper/508:42:025
371131699370369,1cyclictest0-21swapper/507:13:025
371131699370368,1cyclictest3838451-21kworker/5:011:03:025
371131699370368,1cyclictest3838451-21kworker/5:011:03:025
371131699370368,1cyclictest0-21swapper/511:40:015
371131699369368,1cyclictest3838451-21kworker/5:011:13:025
371131699369368,1cyclictest3738845-21kworker/5:109:13:015
371131699369368,1cyclictest3738845-21kworker/5:108:55:025
371131699369368,1cyclictest0-21swapper/508:30:025
371131699369367,1cyclictest3738845-21kworker/5:109:35:025
371131699369367,1cyclictest3738845-21kworker/5:109:35:025
371131699368367,1cyclictest3865526-21kworker/5:212:36:025
371131699368367,1cyclictest0-21swapper/508:37:025
371131699367366,1cyclictest3865526-21kworker/5:212:10:025
371131699367366,1cyclictest3865526-21kworker/5:211:25:025
371131699367366,1cyclictest3838451-21kworker/5:011:15:015
371131699367366,1cyclictest0-21swapper/512:21:025
371131699367366,1cyclictest0-21swapper/512:21:025
371131699367366,1cyclictest0-21swapper/510:30:025
371131699367366,1cyclictest0-21swapper/510:21:025
371131699367366,1cyclictest0-21swapper/510:18:025
371131699367365,1cyclictest0-21swapper/509:21:025
371131699366365,1cyclictest3865526-21kworker/5:211:50:025
371131699366365,1cyclictest3738845-21kworker/5:109:31:025
371131699366364,1cyclictest4010045-21kworker/5:207:35:025
371131699365364,1cyclictest3838451-21kworker/5:010:49:025
371131699365364,1cyclictest0-21swapper/512:29:025
371131699365363,1cyclictest0-21swapper/510:07:025
371131699365363,1cyclictest0-21swapper/509:08:025
371131699365363,1cyclictest0-21swapper/507:23:025
371131699364362,1cyclictest0-21swapper/507:58:025
371131699363361,1cyclictest0-21swapper/508:17:015
371131699362361,1cyclictest0-21swapper/509:42:025
371131699362361,1cyclictest0-21swapper/508:22:025
371131699362360,1cyclictest3865526-21kworker/5:211:59:025
371131699361360,1cyclictest3738845-21kworker/5:108:26:025
371131699360359,1cyclictest3738845-21kworker/5:109:16:015
371132399311310,1cyclictest0-21swapper/612:25:026
371132399311310,1cyclictest0-21swapper/609:09:026
371132399311310,1cyclictest0-21swapper/609:01:026
371132399310309,1cyclictest0-21swapper/611:43:026
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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