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2026-05-18 - 17:09
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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 May 18, 2026 12:46:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
398807424190,3sleep00-21swapper/007:05:160
399001499381380,1cyclictest4168298-21kworker/6:012:25:026
399001499381380,1cyclictest4114148-21kworker/6:010:40:026
3990014993810,380cyclictest0-21swapper/611:55:026
3990014993810,380cyclictest0-21swapper/607:55:016
399001499380379,1cyclictest4017869-21kworker/6:208:30:016
3990014993800,380cyclictest276-1kworker/6:1H09:31:016
3990014993800,379cyclictest0-21swapper/609:40:016
3990014993800,379cyclictest0-21swapper/608:05:026
3990014993800,379cyclictest0-21swapper/608:05:016
399001499379378,1cyclictest4114148-21kworker/6:010:36:026
399001499379378,1cyclictest4099115-21kworker/6:210:30:016
399001499379378,1cyclictest0-21swapper/611:51:026
399001499379378,1cyclictest0-21swapper/609:19:016
399001499379377,1cyclictest4141225-21kworker/6:111:31:016
3990014993790,379cyclictest0-21swapper/609:00:026
399001499378377,1cyclictest4114148-21kworker/6:010:52:016
399001499378377,1cyclictest4047968-21kworker/6:108:54:016
399001499378377,1cyclictest0-21swapper/610:18:026
399001499378376,1cyclictest0-21swapper/609:26:016
399001499377376,1cyclictest4168298-21kworker/6:012:13:016
399001499377376,1cyclictest4114148-21kworker/6:010:58:016
399001499377376,1cyclictest3954529-21kworker/6:107:19:026
399001499377376,1cyclictest0-21swapper/612:38:016
399001499377376,1cyclictest0-21swapper/612:31:026
399001499377376,1cyclictest0-21swapper/612:31:026
399001499377376,1cyclictest0-21swapper/612:18:026
399001499377376,1cyclictest0-21swapper/612:02:026
399001499377376,1cyclictest0-21swapper/611:46:026
399001499377376,1cyclictest0-21swapper/611:44:026
399001499377376,1cyclictest0-21swapper/611:39:016
399001499377376,1cyclictest0-21swapper/611:27:016
399001499377376,1cyclictest0-21swapper/609:51:026
399001499377376,1cyclictest0-21swapper/609:37:016
399001499377376,1cyclictest0-21swapper/609:24:016
399001499377376,1cyclictest0-21swapper/608:49:016
399001499377376,1cyclictest0-21swapper/608:24:016
399001499377375,1cyclictest3954529-21kworker/6:107:29:026
399001499376375,1cyclictest4017869-21kworker/6:208:36:016
399001499376375,1cyclictest0-21swapper/610:23:016
399001499376375,1cyclictest0-21swapper/608:43:016
399001499376375,1cyclictest0-21swapper/608:19:026
399001499376375,1cyclictest0-21swapper/608:13:026
399001499376375,1cyclictest0-21swapper/607:52:026
399001499376375,1cyclictest0-21swapper/607:23:026
399001499375374,1cyclictest0-21swapper/610:29:026
399001499375374,1cyclictest0-21swapper/609:59:026
398999399372371,1cyclictest4098798-21kworker/3:212:30:023
398999399372371,1cyclictest4098798-21kworker/3:212:30:023
398999399371368,1cyclictest4050670-21systemd-userwor08:48:013
399002199370369,1cyclictest0-21swapper/712:30:017
399002199370369,1cyclictest0-21swapper/712:30:017
399002199370366,2cyclictest3948499-21kworker/7:008:48:027
398999399369368,1cyclictest4098798-21kworker/3:211:30:013
399002199367366,1cyclictest0-21swapper/711:30:027
398999399365364,1cyclictest4098798-21kworker/3:211:52:023
398999399365364,1cyclictest4090082-21kworker/3:110:05:013
398999399365364,1cyclictest4047803-21kworker/3:309:10:023
398999399365364,1cyclictest0-21swapper/308:00:013
399002199364363,1cyclictest0-21swapper/710:05:027
399002199364362,1cyclictest3948499-21kworker/7:008:00:027
398999399364363,1cyclictest4098798-21kworker/3:211:40:013
398999399364363,1cyclictest4098798-21kworker/3:211:01:023
398999399364363,1cyclictest4098798-21kworker/3:211:01:023
398999399364363,1cyclictest0-21swapper/311:20:023
398999399364363,1cyclictest0-21swapper/307:45:013
399002199363362,1cyclictest0-21swapper/711:52:017
399002199363362,1cyclictest0-21swapper/709:10:017
399002199363361,1cyclictest3948499-21kworker/7:007:45:027
398999399363362,1cyclictest4098798-21kworker/3:212:10:013
398999399363362,1cyclictest4098798-21kworker/3:211:05:023
398999399363362,1cyclictest4047803-21kworker/3:309:20:023
398999399363362,1cyclictest0-21swapper/312:35:023
398999399363362,1cyclictest0-21swapper/310:35:023
398999399363362,1cyclictest0-21swapper/308:10:023
398999399363361,2cyclictest4090082-21kworker/3:110:02:023
399002199362361,1cyclictest4102119-21kworker/7:211:20:027
399002199362361,1cyclictest0-21swapper/712:10:027
399002199362361,1cyclictest0-21swapper/711:40:027
399002199362361,1cyclictest0-21swapper/711:01:017
399002199362361,1cyclictest0-21swapper/711:01:017
398999399362361,1cyclictest85535-21kworker/3:107:25:023
398999399362361,1cyclictest4098798-21kworker/3:211:45:023
398999399362361,1cyclictest4098798-21kworker/3:210:20:023
398999399362361,1cyclictest4075047-21kworker/3:009:50:023
398999399362361,1cyclictest3989865-21kworker/3:207:16:023
398999399362361,1cyclictest0-21swapper/309:38:023
398999399362361,1cyclictest0-21swapper/307:33:023
399002199361360,1cyclictest4150261-21kworker/7:012:35:017
399002199361360,1cyclictest4102119-21kworker/7:210:35:017
399002199361360,1cyclictest3948499-21kworker/7:008:10:017
399002199361360,1cyclictest0-21swapper/711:45:017
399002199361360,1cyclictest0-21swapper/711:05:017
399002199361360,1cyclictest0-21swapper/710:20:027
399002199361360,1cyclictest0-21swapper/709:50:017
399002199361360,1cyclictest0-21swapper/709:20:027
399002199361359,1cyclictest0-21swapper/710:02:017
398999399361360,1cyclictest4098798-21kworker/3:212:05:023
398999399361360,1cyclictest4098798-21kworker/3:211:26:013
398999399361360,1cyclictest4090082-21kworker/3:109:56:023
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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