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2025-05-11 - 09:15
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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 Sun May 11, 2025 00:46:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
13741799381379,1cyclictest396592-21kworker/0:119:27:020
137417993810,380cyclictest0-21swapper/020:10:020
137417993810,380cyclictest0-21swapper/019:11:020
13741799380378,1cyclictest396592-21kworker/0:120:43:010
137417993800,379cyclictest0-21swapper/020:33:020
137417993800,379cyclictest0-21swapper/020:15:020
137417993800,379cyclictest0-21swapper/019:39:020
137417993800,1cyclictest0-21swapper/022:21:020
137417993800,1cyclictest0-21swapper/019:51:020
13744199378377,1cyclictest278705-21kworker/3:223:34:023
13744199378376,1cyclictest234596-21kworker/3:121:56:023
13745799377376,1cyclictest0-21swapper/521:14:015
13744199377375,1cyclictest278705-21kworker/3:223:03:023
13745799376374,1cyclictest174337-21kworker/5:221:07:025
13744199376373,2cyclictest278705-21kworker/3:223:40:023
13744199376373,2cyclictest278705-21kworker/3:223:40:023
13745799375374,1cyclictest0-21swapper/522:57:025
13745799375374,1cyclictest0-21swapper/521:23:025
13744199375374,1cyclictest0-21swapper/323:23:023
13744199374373,1cyclictest278705-21kworker/3:223:48:023
13744199374373,1cyclictest0-21swapper/320:51:013
13745799373372,1cyclictest0-21swapper/520:40:015
13745799373371,1cyclictest0-21swapper/500:26:015
13744199373372,1cyclictest168316-21kworker/3:021:11:023
13745799372370,1cyclictest390870-21kworker/5:019:13:025
13744199372371,1cyclictest234596-21kworker/3:121:35:023
13744199372371,1cyclictest168316-21kworker/3:021:19:023
13745799370369,1cyclictest0-21swapper/522:46:015
13745799370369,1cyclictest0-21swapper/522:27:025
13745799370369,1cyclictest0-21swapper/522:11:025
13745799370369,1cyclictest0-21swapper/500:36:035
13745799370369,1cyclictest0-21swapper/500:10:015
13745799370368,1cyclictest0-21swapper/523:27:025
13744199370368,1cyclictest0-21swapper/323:17:023
13744199370368,1cyclictest0-21swapper/322:30:013
13745799369368,1cyclictest0-21swapper/521:49:025
13745799369367,1cyclictest0-21swapper/522:04:025
13745799369367,1cyclictest0-21swapper/519:25:025
13744199369368,1cyclictest278705-21kworker/3:200:37:023
13744199369368,1cyclictest234596-21kworker/3:121:52:023
13744199368367,1cyclictest0-21swapper/322:52:013
13745799367365,1cyclictest306676-21kworker/5:123:43:025
13745799367365,1cyclictest306676-21kworker/5:123:43:025
13745799367365,1cyclictest0-21swapper/519:31:025
13744199367366,1cyclictest278705-21kworker/3:223:05:023
13744199367366,1cyclictest0-21swapper/322:08:023
13745799366365,1cyclictest401618-21kworker/5:200:05:025
13745799366365,1cyclictest0-21swapper/521:55:025
13745799366364,1cyclictest0-21swapper/520:23:025
13745799366363,2cyclictest401618-21kworker/5:200:20:005
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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