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2026-09-22 - 23:27
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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 Tue Sep 22, 2026 12:46:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3703977993800,1cyclictest0-21swapper/707:12:027
370394999379378,1cyclictest973464-21kworker/3:008:35:023
370394999377376,1cyclictest3761829-21kworker/3:211:45:023
370394999377376,1cyclictest3761829-21kworker/3:211:45:023
370394999377376,1cyclictest3761829-21kworker/3:209:44:023
370394999377376,1cyclictest0-21swapper/309:00:033
370394999377375,1cyclictest3761829-21kworker/3:209:10:023
370394999376375,1cyclictest973464-21kworker/3:008:01:023
370394999376375,1cyclictest3761829-21kworker/3:209:50:033
370394999375374,1cyclictest3761829-21kworker/3:209:09:023
370394999375373,1cyclictest3761829-21kworker/3:212:25:023
370394999374373,1cyclictest973464-21kworker/3:007:40:023
370394999374373,1cyclictest0-21swapper/311:55:023
370394999374372,1cyclictest973464-21kworker/3:008:32:023
370394999374372,1cyclictest0-21swapper/311:40:023
370394999373372,1cyclictest3897299-21kworker/3:112:34:033
370394999373372,1cyclictest3761829-21kworker/3:211:05:023
370394999373372,1cyclictest3761829-21kworker/3:211:04:023
370394999373372,1cyclictest3761829-21kworker/3:210:25:023
370394999373371,1cyclictest3761829-21kworker/3:210:47:023
370394999373371,1cyclictest0-21swapper/311:37:023
370394999372371,1cyclictest973464-21kworker/3:008:18:023
370394999372371,1cyclictest3761829-21kworker/3:212:15:023
370394999372371,1cyclictest3761829-21kworker/3:212:01:023
370394999372371,1cyclictest3761829-21kworker/3:210:44:033
370394999372371,1cyclictest3761829-21kworker/3:210:33:033
370394999372371,1cyclictest3761829-21kworker/3:209:21:023
370394999372371,1cyclictest0-21swapper/312:21:023
370394999372371,1cyclictest0-21swapper/309:18:023
370394999372371,1cyclictest0-21swapper/308:27:023
370394999372370,1cyclictest3761829-21kworker/3:210:04:023
370394999372370,1cyclictest0-21swapper/310:20:023
370394999372370,1cyclictest0-21swapper/310:20:023
370394999372370,1cyclictest0-21swapper/308:44:023
370394999371370,1cyclictest973464-21kworker/3:008:14:023
370394999371370,1cyclictest973464-21kworker/3:007:48:023
370394999371370,1cyclictest973464-21kworker/3:007:32:033
370394999371370,1cyclictest3897299-21kworker/3:112:38:033
370394999371370,1cyclictest3761829-21kworker/3:209:48:033
370394999371370,1cyclictest3761829-21kworker/3:209:25:023
370394999371370,1cyclictest0-21swapper/311:32:023
370394999371370,1cyclictest0-21swapper/311:14:023
370394999371370,1cyclictest0-21swapper/310:53:023
370394999371370,1cyclictest0-21swapper/308:06:023
370394999371370,1cyclictest0-21swapper/307:22:023
370394999371370,1cyclictest0-21swapper/307:19:023
370394999371369,2cyclictest3761829-21kworker/3:208:59:023
370394999371369,1cyclictest3761829-21kworker/3:212:14:023
370394999371369,1cyclictest0-21swapper/307:39:023
370394999370369,1cyclictest973464-21kworker/3:008:21:023
370394999370369,1cyclictest973464-21kworker/3:007:59:023
370394999370369,1cyclictest3761829-21kworker/3:210:37:023
370394999370369,1cyclictest3761829-21kworker/3:209:59:033
370394999370369,1cyclictest3761829-21kworker/3:209:38:023
370394999370369,1cyclictest0-21swapper/311:16:023
370394999370369,1cyclictest0-21swapper/310:08:033
370396399369368,1cyclictest3752902-21kworker/5:109:35:025
370396399369368,1cyclictest0-21swapper/509:55:025
370394999369368,1cyclictest3761829-21kworker/3:210:12:023
370394999369368,1cyclictest0-21swapper/311:24:023
370394999369367,1cyclictest973464-21kworker/3:007:52:023
370396399368367,1cyclictest0-21swapper/511:35:035
370396399368367,1cyclictest0-21swapper/508:10:025
370394999368367,1cyclictest973464-21kworker/3:007:11:023
370397799367366,1cyclictest0-21swapper/708:35:037
370397799365364,1cyclictest3670524-21kworker/7:109:00:027
370397799365364,1cyclictest0-21swapper/711:45:027
370397799365364,1cyclictest0-21swapper/711:45:027
370397799365364,1cyclictest0-21swapper/709:44:027
370397799365364,1cyclictest0-21swapper/708:01:037
370397099365364,1cyclictest3825100-21kworker/6:110:30:036
370396399365364,1cyclictest3716795-21kworker/5:107:45:025
370396399365364,1cyclictest0-21swapper/511:00:025
370396399365364,1cyclictest0-21swapper/507:30:025
370397799364363,1cyclictest0-21swapper/709:50:027
370397799364363,1cyclictest0-21swapper/709:10:027
370397799364363,1cyclictest0-21swapper/709:09:027
370397799364362,1cyclictest0-21swapper/712:25:027
370396399364363,1cyclictest3752902-21kworker/5:110:40:025
370397099363362,1cyclictest0-21swapper/609:45:026
370396399363362,1cyclictest3752902-21kworker/5:112:35:025
370396399363362,1cyclictest0-21swapper/511:09:025
370396399363362,1cyclictest0-21swapper/510:59:025
370396399363362,1cyclictest0-21swapper/510:45:025
370397799362361,1cyclictest3858197-21kworker/7:111:55:037
370397799362361,1cyclictest0-21swapper/712:34:027
370397799362361,1cyclictest0-21swapper/707:40:037
370396399362361,1cyclictest3734835-21kworker/5:008:20:025
370396399362361,1cyclictest0-21swapper/509:30:025
370396399362361,1cyclictest0-21swapper/508:45:025
370396399362360,1cyclictest3752902-21kworker/5:109:11:025
370397799361360,1cyclictest3858197-21kworker/7:111:40:027
370397799361360,1cyclictest0-21swapper/711:05:037
370397799361360,1cyclictest0-21swapper/711:04:027
370397799361360,1cyclictest0-21swapper/710:25:027
370397799361360,1cyclictest0-21swapper/708:32:027
370397799361359,1cyclictest3858197-21kworker/7:112:21:027
370397799361359,1cyclictest3670524-21kworker/7:108:27:027
370397799361359,1cyclictest0-21swapper/712:38:027
370397099361360,1cyclictest0-21swapper/608:55:036
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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