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2025-03-25 - 22:55
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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 50 highest latencies:
System rackcslot6.osadl.org (updated Tue Mar 25, 2025 12:46:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
260935699386382,3cyclictest2643245-21kworker/4:011:46:014
260935699385381,3cyclictest2643245-21kworker/4:011:36:014
260935699385381,3cyclictest2643245-21kworker/4:011:36:014
260935699384380,3cyclictest2760410-21kworker/4:212:06:024
260935699384380,3cyclictest2616031-21kworker/4:107:32:024
260935699383380,3cyclictest2643245-21kworker/4:009:46:014
2609356993810,380cyclictest0-21swapper/411:25:024
2609356993810,380cyclictest0-21swapper/409:28:024
260935699380379,1cyclictest1625116-21kworker/4:207:15:034
260935699380379,1cyclictest1625116-21kworker/4:207:15:024
2609356993800,380cyclictest0-21swapper/408:57:024
2609356993800,379cyclictest0-21swapper/411:41:024
2609356993800,1cyclictest0-21swapper/412:25:024
2609356993800,1cyclictest0-21swapper/407:56:024
260935699379378,1cyclictest2643245-21kworker/4:010:53:024
260935699379378,1cyclictest2616031-21kworker/4:107:20:034
260935699378377,1cyclictest2643245-21kworker/4:010:41:024
260935699377376,1cyclictest2643245-21kworker/4:008:19:024
260937199376374,1cyclictest0-21swapper/607:16:026
260937199376374,1cyclictest0-21swapper/607:16:026
260935699376375,1cyclictest2643245-21kworker/4:011:02:034
260935699376375,1cyclictest2643245-21kworker/4:009:18:024
260935699376375,1cyclictest2616031-21kworker/4:107:43:034
260935699376374,1cyclictest2643245-21kworker/4:009:41:024
260937199375374,1cyclictest2649255-21kworker/6:112:29:026
260937199375374,1cyclictest0-21swapper/610:14:026
260935699375374,1cyclictest2643245-21kworker/4:009:22:024
260935699375373,1cyclictest2643245-21kworker/4:008:36:024
260937199374373,1cyclictest0-21swapper/607:36:026
260935699374373,1cyclictest2643245-21kworker/4:010:27:024
260935699374373,1cyclictest2643245-21kworker/4:010:19:024
260935699374373,1cyclictest2643245-21kworker/4:009:51:024
260935699373372,1cyclictest2760410-21kworker/4:212:22:024
260935699373372,1cyclictest2643245-21kworker/4:011:13:024
260935699373372,1cyclictest2643245-21kworker/4:008:53:024
260935699372371,1cyclictest2643245-21kworker/4:008:27:024
260937199370369,1cyclictest0-21swapper/612:10:016
260937199369368,1cyclictest0-21swapper/612:15:026
260937199369367,1cyclictest0-21swapper/612:00:016
260937199368367,1cyclictest2649255-21kworker/6:110:15:026
260937199368367,1cyclictest0-21swapper/612:20:016
260937199368366,1cyclictest0-21swapper/611:34:026
260937199366365,1cyclictest2649255-21kworker/6:110:25:026
260937199366365,1cyclictest0-21swapper/611:56:026
260937199365364,1cyclictest0-21swapper/609:37:026
260937199365363,1cyclictest0-21swapper/609:08:016
260937199364362,1cyclictest2649255-21kworker/6:111:28:026
260937199363362,1cyclictest0-21swapper/611:24:016
260937199363361,1cyclictest0-21swapper/610:42:026
260937199362361,1cyclictest0-21swapper/609:21:036
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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