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2026-06-20 - 15:20
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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 Sat Jun 20, 2026 12:46:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
343984999374373,1cyclictest3491817-21kworker/3:208:45:013
343987099373372,1cyclictest0-21swapper/611:55:026
343987099373371,1cyclictest0-21swapper/612:15:016
343987099373371,1cyclictest0-21swapper/612:10:016
343987099372371,1cyclictest3698698-21kworker/6:107:10:026
343987099372371,1cyclictest0-21swapper/607:45:026
343987099371370,1cyclictest3570033-21kworker/6:011:02:026
343987099371370,1cyclictest3442792-21kworker/6:208:40:026
343984999371370,1cyclictest49858-21kworker/3:107:24:023
343984999371370,1cyclictest0-21swapper/307:17:023
343984999371369,1cyclictest0-21swapper/311:41:023
343983199371368,1cyclictest3467749-21kworker/1:010:08:011
343987099370369,1cyclictest3503845-21kworker/6:009:28:016
343987099370369,1cyclictest3442792-21kworker/6:208:20:016
343987099370368,1cyclictest0-21swapper/608:15:016
343984999370369,1cyclictest3615156-21kworker/3:012:03:013
343984999370369,1cyclictest3552392-21kworker/3:111:15:023
343984999370369,1cyclictest3455728-21kworker/3:207:50:023
343984999370369,1cyclictest0-21swapper/309:40:023
343984999370369,1cyclictest0-21swapper/307:55:013
343984999370368,1cyclictest0-21swapper/311:01:023
343984999370368,1cyclictest0-21swapper/310:17:023
343987099369368,1cyclictest3442792-21kworker/6:208:30:016
343984999369368,1cyclictest3491817-21kworker/3:210:01:023
343984999369368,1cyclictest0-21swapper/309:01:023
343984999369368,1cyclictest0-21swapper/308:34:013
343984999369367,1cyclictest3455728-21kworker/3:208:05:023
343987099368367,1cyclictest3570033-21kworker/6:012:30:016
343987099368367,1cyclictest3503845-21kworker/6:009:30:016
343987099368367,1cyclictest3503845-21kworker/6:009:20:026
343987099368367,1cyclictest0-21swapper/610:15:016
343984999368367,1cyclictest3552392-21kworker/3:111:13:023
343984999368367,1cyclictest3491817-21kworker/3:209:35:023
343984999368367,1cyclictest0-21swapper/312:12:013
343984999368367,1cyclictest0-21swapper/311:05:023
343984999368367,1cyclictest0-21swapper/310:30:023
343984999368366,1cyclictest3552392-21kworker/3:110:26:013
343984999368366,1cyclictest3491817-21kworker/3:209:57:023
343984999368366,1cyclictest0-21swapper/312:16:013
343984999368366,1cyclictest0-21swapper/309:13:023
343987099367366,1cyclictest0-21swapper/610:35:026
343984999367366,1cyclictest49858-21kworker/3:107:35:023
343984999367366,1cyclictest3552392-21kworker/3:111:46:023
343984999367366,1cyclictest3552392-21kworker/3:111:46:023
343984999367366,1cyclictest3552392-21kworker/3:111:30:023
343984999367366,1cyclictest3491817-21kworker/3:208:54:013
343984999367366,1cyclictest3476779-21kworker/3:008:23:023
343984999367366,1cyclictest0-21swapper/308:01:013
343984999367366,1cyclictest0-21swapper/307:49:023
343984999367365,1cyclictest0-21swapper/312:26:013
343984999367365,1cyclictest0-21swapper/312:06:013
343984999367365,1cyclictest0-21swapper/311:56:013
343984999367365,1cyclictest0-21swapper/310:57:023
343984999367365,1cyclictest0-21swapper/310:21:023
343984999367365,1cyclictest0-21swapper/310:21:023
343984999367365,1cyclictest0-21swapper/309:17:023
343987099366365,1cyclictest0-21swapper/612:22:026
343987099366364,1cyclictest3442792-21kworker/6:208:49:026
343984999366365,1cyclictest3552392-21kworker/3:110:36:023
343984999366365,1cyclictest3491817-21kworker/3:209:25:023
343984999366365,1cyclictest3491817-21kworker/3:209:09:023
343984999366365,1cyclictest0-21swapper/312:20:013
343984999366365,1cyclictest0-21swapper/310:48:023
343984999366364,1cyclictest3552392-21kworker/3:111:28:023
343984999366364,1cyclictest0-21swapper/311:38:023
343984999366364,1cyclictest0-21swapper/311:23:023
343984999366364,1cyclictest0-21swapper/309:24:023
343984999366364,1cyclictest0-21swapper/308:57:023
343984999366364,1cyclictest0-21swapper/308:57:023
343987099365364,1cyclictest3530926-21kworker/6:110:54:026
343987099365364,1cyclictest3530926-21kworker/6:110:04:016
343987099365364,1cyclictest0-21swapper/610:47:026
343987099365364,1cyclictest0-21swapper/609:07:026
343987099365364,1cyclictest0-21swapper/607:26:016
343984999365364,1cyclictest3491817-21kworker/3:209:34:023
343984999365364,1cyclictest3476779-21kworker/3:008:42:013
343984999365364,1cyclictest3476779-21kworker/3:008:12:023
343984999365364,1cyclictest0-21swapper/309:48:023
343984999365363,1cyclictest3491817-21kworker/3:210:11:013
343984999365363,1cyclictest0-21swapper/308:19:023
343984999365363,1cyclictest0-21swapper/307:27:013
343987099364363,1cyclictest3570033-21kworker/6:011:07:026
343987099364363,1cyclictest3570033-21kworker/6:010:58:026
343987099364363,1cyclictest0-21swapper/609:54:026
343987099364363,1cyclictest0-21swapper/607:37:016
343984999364363,1cyclictest3491817-21kworker/3:209:52:023
343984999364363,1cyclictest0-21swapper/312:33:013
343984999364363,1cyclictest0-21swapper/308:27:013
343984999364362,1cyclictest3552392-21kworker/3:110:42:023
343987099362361,1cyclictest0-21swapper/608:39:026
343984999361360,1cyclictest49858-21kworker/3:107:41:023
343984299331330,1cyclictest3545973-21kworker/2:111:55:012
343984299330329,1cyclictest0-21swapper/207:10:012
343984299330328,1cyclictest3545973-21kworker/2:112:15:022
343984299329328,1cyclictest3696068-21kworker/2:207:45:012
343984299329328,1cyclictest3545973-21kworker/2:112:10:022
343984299329328,1cyclictest0-21swapper/211:02:022
343984299329328,1cyclictest0-21swapper/208:40:022
343984299328327,1cyclictest0-21swapper/209:28:022
343984299328327,1cyclictest0-21swapper/208:20:022
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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