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2026-05-06 - 17:27
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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 Wed May 06, 2026 12:46:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
385433499365364,1cyclictest3876208-21kworker/0:009:40:010
385433499365364,1cyclictest3827563-21kworker/0:207:35:020
385433499364363,1cyclictest3876208-21kworker/0:012:30:020
385433499364363,1cyclictest3876208-21kworker/0:009:46:020
385433499364363,1cyclictest3827563-21kworker/0:207:10:020
385433499363362,1cyclictest3876208-21kworker/0:010:40:010
385433499363362,1cyclictest3876208-21kworker/0:008:36:020
385433499363362,1cyclictest3876208-21kworker/0:007:50:020
385433499363362,1cyclictest0-21swapper/012:27:020
385433499363362,1cyclictest0-21swapper/009:55:020
385433499362361,1cyclictest3876208-21kworker/0:011:50:020
385433499362361,1cyclictest3876208-21kworker/0:010:24:020
385433499362361,1cyclictest3876208-21kworker/0:008:16:020
385433499362361,1cyclictest0-21swapper/009:11:020
385433499362361,1cyclictest0-21swapper/008:45:020
385433499362360,1cyclictest0-21swapper/010:37:020
385433499361360,1cyclictest3827563-21kworker/0:207:20:020
385433499361359,1cyclictest0-21swapper/011:30:010
385433499360359,1cyclictest0-21swapper/010:47:010
385433499360359,1cyclictest0-21swapper/009:25:020
385433499360359,1cyclictest0-21swapper/008:29:020
385433499360358,1cyclictest0-21swapper/008:51:020
385433499360358,1cyclictest0-21swapper/007:18:020
385433499360357,2cyclictest3876208-21kworker/0:008:58:020
385433499359358,1cyclictest3876208-21kworker/0:009:38:020
385433499359358,1cyclictest3876208-21kworker/0:009:38:020
385433499359358,1cyclictest3876208-21kworker/0:009:15:020
385433499359358,1cyclictest0-21swapper/010:11:020
385433499359358,1cyclictest0-21swapper/009:03:020
385433499359357,1cyclictest3876208-21kworker/0:011:07:020
385433499359357,1cyclictest3876208-21kworker/0:011:07:020
385433499358357,1cyclictest3876208-21kworker/0:009:22:020
385433499358357,1cyclictest3876208-21kworker/0:008:42:020
385433499358357,1cyclictest3827563-21kworker/0:207:31:020
385433499358357,1cyclictest0-21swapper/010:52:010
385433499358357,1cyclictest0-21swapper/009:32:020
385433499358357,1cyclictest0-21swapper/007:56:020
385433499358356,1cyclictest3876208-21kworker/0:008:11:020
385433499357356,1cyclictest3876208-21kworker/0:012:06:020
385433499357356,1cyclictest3876208-21kworker/0:011:37:010
385433499357356,1cyclictest3876208-21kworker/0:011:24:020
385433499357356,1cyclictest3876208-21kworker/0:008:33:020
385433499357356,1cyclictest0-21swapper/011:13:020
385433499357356,1cyclictest0-21swapper/008:08:020
385433499355354,1cyclictest3827563-21kworker/0:207:27:010
385438499353352,1cyclictest0-21swapper/712:15:027
385438499352351,1cyclictest0-21swapper/711:44:027
385438499351350,1cyclictest0-21swapper/711:10:017
385438499351350,1cyclictest0-21swapper/709:05:017
385438499351349,1cyclictest0-21swapper/711:35:027
385438499350349,1cyclictest3818435-21kworker/7:009:00:017
385438499350349,1cyclictest0-21swapper/712:05:017
385438499350349,1cyclictest0-21swapper/712:00:017
385438499350349,1cyclictest0-21swapper/709:58:027
385438499350349,1cyclictest0-21swapper/709:50:027
385438499350349,1cyclictest0-21swapper/708:01:027
385438499349348,1cyclictest3969458-21kworker/7:210:25:027
385438499349348,1cyclictest3939378-21kworker/7:210:04:027
385438499349348,1cyclictest0-21swapper/710:58:027
385438499349348,1cyclictest0-21swapper/708:53:027
385438499348347,1cyclictest3818435-21kworker/7:007:39:027
385438499348347,1cyclictest0-21swapper/710:31:027
385438499348347,1cyclictest0-21swapper/710:08:027
385438499348347,1cyclictest0-21swapper/708:41:017
385438499347346,1cyclictest0-21swapper/711:19:017
385438499347345,1cyclictest0-21swapper/711:57:017
385438499347345,1cyclictest0-21swapper/707:34:027
385438499347345,1cyclictest0-21swapper/707:26:027
385438499347345,1cyclictest0-21swapper/707:22:027
385438499346345,1cyclictest771720-21kworker/7:107:11:027
385438499346345,1cyclictest3969458-21kworker/7:210:54:027
385438499346345,1cyclictest0-21swapper/708:19:027
385438499346344,1cyclictest0-21swapper/710:17:027
385438499346344,1cyclictest0-21swapper/709:14:017
385438499346344,1cyclictest0-21swapper/707:41:027
385438499345344,1cyclictest0-21swapper/711:02:027
385438499345343,1cyclictest0-21swapper/708:12:027
385438499343342,1cyclictest0-21swapper/707:17:027
385438499342341,1cyclictest0-21swapper/709:31:017
385434199294291,1cyclictest0-21swapper/110:30:011
385436999289286,1cyclictest3927351-21kworker/5:210:30:025
385434199288285,1cyclictest0-21swapper/107:44:021
385436999282279,1cyclictest4116536-21kworker/5:007:44:025
385437799275272,2cyclictest0-21swapper/612:04:026
385437799272270,1cyclictest4011589-21kworker/6:012:35:026
385437799271270,1cyclictest3827534-21kworker/6:108:55:026
385436499271269,1cyclictest0-21swapper/412:04:014
385437799269268,1cyclictest0-21swapper/611:01:016
385437799269268,1cyclictest0-21swapper/608:10:016
385437799268267,1cyclictest3827534-21kworker/6:107:37:016
385437799268267,1cyclictest0-21swapper/610:55:026
385437799268267,1cyclictest0-21swapper/608:25:016
385437799267266,1cyclictest3827534-21kworker/6:109:35:026
385437799267266,1cyclictest3827534-21kworker/6:109:35:026
385437799267266,1cyclictest0-21swapper/610:10:016
385437799267265,1cyclictest0-21swapper/610:03:016
385437799266265,1cyclictest3827534-21kworker/6:108:40:026
385437799266265,1cyclictest3827534-21kworker/6:108:00:026
385437799266265,1cyclictest0-21swapper/611:25:026
385437799266265,1cyclictest0-21swapper/607:55:026
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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