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2026-09-20 - 18:44
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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 Sun Sep 20, 2026 12:46:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2973577993810,380cyclictest0-21swapper/310:20:013
297357799380378,1cyclictest0-21swapper/311:30:033
2973577993800,379cyclictest0-21swapper/309:50:023
297357799379378,1cyclictest3073655-21kworker/3:010:54:023
297357799379378,1cyclictest0-21swapper/312:25:023
297357799379378,1cyclictest0-21swapper/310:30:023
297357799378377,1cyclictest3130815-21kworker/3:111:40:023
297357799378377,1cyclictest2998437-21kworker/3:008:00:023
297357799378377,1cyclictest0-21swapper/312:00:033
297357799378377,1cyclictest0-21swapper/310:25:023
297357799378377,1cyclictest0-21swapper/309:57:023
297357799378377,1cyclictest0-21swapper/307:42:023
297357799378376,1cyclictest3130815-21kworker/3:111:50:013
297357799378376,1cyclictest3034538-21kworker/3:208:57:013
297357799378376,1cyclictest2998437-21kworker/3:008:05:023
297357799377376,1cyclictest3110165-21kworker/3:211:20:023
297357799377376,1cyclictest3110165-21kworker/3:211:09:013
297357799377376,1cyclictest3034538-21kworker/3:209:09:013
297357799377376,1cyclictest3034538-21kworker/3:209:09:013
297357799377376,1cyclictest2998437-21kworker/3:008:42:023
297357799377376,1cyclictest0-21swapper/312:06:033
297357799377376,1cyclictest0-21swapper/308:52:013
297357799377376,1cyclictest0-21swapper/308:25:023
297357799377376,1cyclictest0-21swapper/307:11:023
297357799377375,1cyclictest2998437-21kworker/3:007:59:013
297357799376375,1cyclictest3231845-21kworker/3:207:49:023
297357799376375,1cyclictest3034538-21kworker/3:209:16:013
297357799376375,1cyclictest3034538-21kworker/3:209:14:013
297357799376375,1cyclictest0-21swapper/311:49:023
297357799376375,1cyclictest0-21swapper/311:13:013
297357799376375,1cyclictest0-21swapper/310:46:013
297357799376375,1cyclictest0-21swapper/310:37:023
297357799376375,1cyclictest0-21swapper/310:37:013
297357799376375,1cyclictest0-21swapper/310:09:013
297357799376375,1cyclictest0-21swapper/309:42:013
297357799376375,1cyclictest0-21swapper/308:47:023
297357799376375,1cyclictest0-21swapper/307:51:013
297357799375374,1cyclictest3130815-21kworker/3:112:11:033
297357799375374,1cyclictest3110165-21kworker/3:211:04:013
297357799375374,1cyclictest0-21swapper/311:37:033
297357799375374,1cyclictest0-21swapper/311:29:033
297357799375374,1cyclictest0-21swapper/309:32:013
297357799375374,1cyclictest0-21swapper/308:37:023
297357799375374,1cyclictest0-21swapper/307:29:023
297357799374373,1cyclictest3110165-21kworker/3:211:17:013
297357799374373,1cyclictest0-21swapper/312:37:023
297357799374373,1cyclictest0-21swapper/312:24:023
297357799374373,1cyclictest0-21swapper/310:16:033
297357799374373,1cyclictest0-21swapper/309:38:013
297357799374373,1cyclictest0-21swapper/307:23:013
297357799374372,1cyclictest0-21swapper/307:36:023
297357799374372,1cyclictest0-21swapper/307:36:013
297359899371370,1cyclictest3022510-21kworker/6:009:26:016
297359899371370,1cyclictest0-21swapper/610:58:026
297359899370369,1cyclictest0-21swapper/611:55:026
297359899370369,1cyclictest0-21swapper/610:40:036
297357099370369,1cyclictest3112762-21kworker/2:112:32:022
297359899369368,1cyclictest3157896-21kworker/6:112:20:036
297359899369367,1cyclictest3022510-21kworker/6:008:30:026
297357099369367,1cyclictest3007474-21kworker/2:108:11:012
297359899367366,1cyclictest3171846-21kworker/6:012:36:026
297359899367366,1cyclictest3022510-21kworker/6:008:40:016
297359899366365,1cyclictest3022510-21kworker/6:009:40:026
297359899366365,1cyclictest2943614-21kworker/6:207:40:026
297359899366365,1cyclictest0-21swapper/611:25:026
297359899365364,1cyclictest3118795-21kworker/6:311:39:036
297359899365364,1cyclictest3022510-21kworker/6:008:55:016
297359899365364,1cyclictest2943614-21kworker/6:207:25:026
297359899365363,1cyclictest0-21swapper/608:38:026
297359899364362,1cyclictest3157896-21kworker/6:112:33:036
297359899363362,1cyclictest3022510-21kworker/6:009:45:026
297359899363362,1cyclictest3022510-21kworker/6:009:33:016
297359899363362,1cyclictest0-21swapper/608:26:026
297359899363362,1cyclictest0-21swapper/608:12:026
297359899363361,2cyclictest3001444-21kworker/6:108:17:016
297359899362361,1cyclictest3157896-21kworker/6:112:29:026
297359899362361,1cyclictest3118795-21kworker/6:311:24:026
297359899362361,1cyclictest2943614-21kworker/6:207:38:016
297359899362361,1cyclictest2943614-21kworker/6:207:38:016
297359899362360,1cyclictest3001444-21kworker/6:108:22:026
297357099362361,1cyclictest0-21swapper/209:26:022
297359899361360,1cyclictest3001444-21kworker/6:108:02:016
297357099361360,1cyclictest3100731-21kworker/2:210:58:022
297359899360359,1cyclictest3022510-21kworker/6:010:38:026
297359899360359,1cyclictest3022510-21kworker/6:010:38:026
297357099360359,1cyclictest3112762-21kworker/2:111:55:022
297357099360359,1cyclictest3100731-21kworker/2:210:40:022
297357099359358,1cyclictest0-21swapper/212:20:022
297357099358357,1cyclictest0-21swapper/208:30:012
297357099358356,1cyclictest0-21swapper/212:36:022
297357099358356,1cyclictest0-21swapper/208:44:012
297357099358356,1cyclictest0-21swapper/207:40:022
297357099356355,1cyclictest3112762-21kworker/2:111:25:022
297357099356355,1cyclictest0-21swapper/211:39:022
297357099356355,1cyclictest0-21swapper/209:40:022
297357099355354,1cyclictest0-21swapper/208:55:012
297357099355354,1cyclictest0-21swapper/207:25:012
297357099355353,2cyclictest3007474-21kworker/2:108:38:012
297357099355353,1cyclictest3007474-21kworker/2:108:26:012
297357099354353,1cyclictest0-21swapper/209:45:012
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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