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2025-12-20 - 09:22
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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 Sat Dec 20, 2025 00:46:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
279466999381378,3cyclictest2797653-21kworker/5:122:58:025
279466999379378,1cyclictest2797653-21kworker/5:123:28:025
279466999379378,1cyclictest2797653-21kworker/5:122:46:025
279466999379378,1cyclictest2797653-21kworker/5:121:36:025
279466999379378,1cyclictest2797653-21kworker/5:120:20:025
279466999379377,1cyclictest3074880-21kworker/5:200:00:015
279466999378377,1cyclictest2797653-21kworker/5:123:07:015
279466999378376,1cyclictest2797653-21kworker/5:121:54:025
279466999377376,1cyclictest3074880-21kworker/5:200:17:025
279466999377376,1cyclictest2797653-21kworker/5:123:53:025
279466999377376,1cyclictest2797653-21kworker/5:123:31:025
279466999377376,1cyclictest2797653-21kworker/5:122:37:025
279466999377376,1cyclictest2797653-21kworker/5:122:24:025
279466999377376,1cyclictest2797653-21kworker/5:121:27:015
279466999377375,1cyclictest3074880-21kworker/5:200:05:015
279466999377375,1cyclictest2797653-21kworker/5:120:01:015
279466999376375,1cyclictest2797653-21kworker/5:123:01:025
279466999376375,1cyclictest2797653-21kworker/5:122:40:025
279466999376375,1cyclictest2797653-21kworker/5:119:45:025
279466999376375,1cyclictest0-21swapper/523:17:025
279466999376375,1cyclictest0-21swapper/522:52:025
279466999376375,1cyclictest0-21swapper/521:47:025
279466999376375,1cyclictest0-21swapper/521:32:015
279466999376375,1cyclictest0-21swapper/521:18:025
279466999376375,1cyclictest0-21swapper/520:10:025
279466999375374,1cyclictest0-21swapper/500:34:015
279466999375373,2cyclictest2797653-21kworker/5:122:03:025
279466999374373,1cyclictest2797653-21kworker/5:122:31:015
279466999374373,1cyclictest2797653-21kworker/5:121:44:025
279466999373372,1cyclictest2797653-21kworker/5:122:08:025
279466999373372,1cyclictest2797653-21kworker/5:122:08:025
279466999373372,1cyclictest2797653-21kworker/5:120:25:025
279466999373372,1cyclictest0-21swapper/521:14:025
279466999373372,1cyclictest0-21swapper/519:54:025
279466999373370,2cyclictest3026561-21kworker/5:019:17:015
279466999372371,1cyclictest2797653-21kworker/5:120:58:025
279466999372371,1cyclictest0-21swapper/520:09:025
279466999372370,1cyclictest2797653-21kworker/5:119:24:025
279466999371369,1cyclictest2797653-21kworker/5:120:41:025
279466999371369,1cyclictest2797653-21kworker/5:120:17:025
279466999371369,1cyclictest2797653-21kworker/5:119:39:025
279466999370368,1cyclictest2797653-21kworker/5:119:59:025
279466999367366,1cyclictest2797653-21kworker/5:119:28:025
279466999367366,1cyclictest0-21swapper/520:36:025
279466399332330,1cyclictest2877093-21kworker/4:223:37:024
279463099311310,1cyclictest0-21swapper/023:37:020
279464799310309,1cyclictest0-21swapper/222:05:022
279464799310309,1cyclictest0-21swapper/222:05:022
279464799308307,1cyclictest0-21swapper/223:20:022
279464799308307,1cyclictest0-21swapper/223:13:022
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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