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2026-06-09 - 00:28
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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 Jun 08, 2026 12:46:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3336221993810,380cyclictest0-21swapper/207:17:022
3336221993810,1cyclictest0-21swapper/212:22:022
333620999381380,1cyclictest3454374-21kworker/1:112:31:021
3336209993810,380cyclictest0-21swapper/111:36:031
3336209993810,380cyclictest0-21swapper/109:32:021
333622199380378,1cyclictest3466288-21kworker/2:010:59:022
3336221993800,380cyclictest0-21swapper/208:54:022
3336221993800,379cyclictest0-21swapper/209:41:032
3336221993800,1cyclictest0-21swapper/212:26:022
3336221993800,1cyclictest0-21swapper/209:57:032
3336209993800,379cyclictest0-21swapper/108:51:021
3336209993800,1cyclictest0-21swapper/112:29:021
3336209993800,1cyclictest0-21swapper/110:07:021
3336209993800,1cyclictest0-21swapper/110:07:021
3336209993800,1cyclictest0-21swapper/109:27:021
3336209993800,1cyclictest0-21swapper/107:41:031
3336209993800,1cyclictest0-21swapper/107:12:021
3336221993790,379cyclictest0-21swapper/212:18:022
3336221993790,379cyclictest0-21swapper/212:07:022
3336221993790,379cyclictest0-21swapper/209:21:022
3336221993790,379cyclictest0-21swapper/207:37:022
3336221993790,1cyclictest0-21swapper/212:02:022
3336209993790,0cyclictest0-21swapper/108:22:031
333620199378377,1cyclictest3820081-21kworker/0:208:06:020
333620199378377,1cyclictest3376145-21kworker/0:009:50:020
333620199377375,1cyclictest3820081-21kworker/0:207:44:020
333620199376375,1cyclictest3376145-21kworker/0:010:20:020
333620199375374,1cyclictest3820081-21kworker/0:207:36:020
333620199375374,1cyclictest3376145-21kworker/0:011:25:020
333620199375373,1cyclictest0-21swapper/009:06:020
333620199375373,1cyclictest0-21swapper/008:10:020
333620199374372,1cyclictest3820081-21kworker/0:207:50:020
333620199373372,1cyclictest0-21swapper/007:20:030
333620199373371,1cyclictest3376145-21kworker/0:008:45:020
333620199372371,1cyclictest3523562-21kworker/0:212:35:020
333620199372371,1cyclictest3376145-21kworker/0:011:00:020
333620199372371,1cyclictest3376145-21kworker/0:009:55:020
333620199372371,1cyclictest0-21swapper/008:58:020
333620199372370,1cyclictest0-21swapper/009:19:030
333624199371370,1cyclictest0-21swapper/507:45:025
333624199371370,1cyclictest0-21swapper/507:33:025
333624199371369,1cyclictest0-21swapper/507:10:035
333620199371370,1cyclictest3511391-21kworker/0:112:08:030
333620199371370,1cyclictest3493479-21kworker/0:211:45:020
333620199371370,1cyclictest0-21swapper/012:21:020
333620199371370,1cyclictest0-21swapper/011:30:020
333620199371370,1cyclictest0-21swapper/011:30:020
333620199371370,1cyclictest0-21swapper/009:20:030
333620199371369,1cyclictest0-21swapper/009:45:020
333624199370369,1cyclictest0-21swapper/508:05:025
333620199370369,1cyclictest3493479-21kworker/0:211:44:020
333620199370369,1cyclictest3376145-21kworker/0:010:15:020
333620199370369,1cyclictest0-21swapper/011:14:020
333620199370367,2cyclictest3493479-21kworker/0:211:39:020
333624199369367,1cyclictest0-21swapper/512:16:025
333624199369367,1cyclictest0-21swapper/510:40:025
333620199369368,1cyclictest3820081-21kworker/0:207:46:020
333620199369368,1cyclictest3511391-21kworker/0:112:12:020
333620199369368,1cyclictest3511391-21kworker/0:112:03:020
333620199369368,1cyclictest3376145-21kworker/0:011:21:020
333620199369368,1cyclictest3376145-21kworker/0:010:10:020
333620199369368,1cyclictest3376145-21kworker/0:010:05:020
333620199369368,1cyclictest3376145-21kworker/0:010:05:020
333620199369368,1cyclictest3376145-21kworker/0:008:17:020
333620199369368,1cyclictest0-21swapper/008:52:020
333620199369368,1cyclictest0-21swapper/008:23:020
333620199369368,1cyclictest0-21swapper/007:56:020
333624199368367,1cyclictest3514550-21kworker/5:212:39:025
333624199368367,1cyclictest0-21swapper/511:33:025
333624199368367,1cyclictest0-21swapper/511:33:025
333620199368367,1cyclictest3820081-21kworker/0:207:13:030
333620199368367,1cyclictest3511391-21kworker/0:112:19:030
333620199368367,1cyclictest3493479-21kworker/0:211:52:020
333620199368367,1cyclictest0-21swapper/011:17:020
333620199368367,1cyclictest0-21swapper/010:54:020
333620199368367,1cyclictest0-21swapper/010:42:020
333620199368367,1cyclictest0-21swapper/007:19:030
333620199368366,1cyclictest3820081-21kworker/0:208:04:020
333620199368366,1cyclictest3376145-21kworker/0:011:08:020
333620199368366,1cyclictest0-21swapper/009:37:020
333620199367366,1cyclictest3376145-21kworker/0:010:28:020
333620199367366,1cyclictest0-21swapper/010:47:020
333620199367366,1cyclictest0-21swapper/008:28:020
333624199366364,1cyclictest0-21swapper/512:25:025
333624199366364,1cyclictest0-21swapper/511:20:025
333624199366364,1cyclictest0-21swapper/510:56:025
333624199365364,1cyclictest3382163-21kworker/5:109:00:025
333624199365364,1cyclictest0-21swapper/510:37:025
333624199365364,1cyclictest0-21swapper/508:55:025
333624199365363,1cyclictest0-21swapper/511:53:025
333624199365363,1cyclictest0-21swapper/510:45:025
333624199365363,1cyclictest0-21swapper/510:27:025
333624199365363,1cyclictest0-21swapper/509:08:025
333624199365363,1cyclictest0-21swapper/508:11:025
333624199364363,1cyclictest0-21swapper/510:22:025
333624199364362,1cyclictest3472422-21kworker/5:011:01:025
333624199364362,1cyclictest3298153-21kworker/5:008:15:025
333624199364362,1cyclictest0-21swapper/512:33:025
333624199364362,1cyclictest0-21swapper/511:46:025
333624199364362,1cyclictest0-21swapper/511:19:025
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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