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2026-04-13 - 05:49
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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 Apr 13, 2026 00:46:36)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
366114399347346,1cyclictest0-21swapper/522:47:025
366114399347346,1cyclictest0-21swapper/521:31:015
366114399347346,1cyclictest0-21swapper/500:00:025
366114399347345,1cyclictest0-21swapper/523:12:025
366111199347345,1cyclictest3978152-21kworker/1:121:31:021
366114399346342,2cyclictest3983160-21kworker/5:200:36:025
366111199346345,1cyclictest3879837-21kworker/1:200:00:011
366114399345344,1cyclictest3925617-21kworker/5:022:19:025
366114399345344,1cyclictest3910186-21kworker/u16:000:11:025
366114399345344,1cyclictest0-21swapper/521:59:025
366111199345344,1cyclictest3837652-21kworker/1:122:47:011
366111199345344,1cyclictest0-21swapper/122:19:021
366111199344343,1cyclictest3879837-21kworker/1:223:12:011
366111199344343,1cyclictest3879837-21kworker/1:200:11:011
366114399343342,1cyclictest3925617-21kworker/5:022:20:015
366114399343342,1cyclictest3925617-21kworker/5:022:06:015
366114399343342,1cyclictest0-21swapper/522:43:025
366114399343342,1cyclictest0-21swapper/521:52:015
366114399343342,1cyclictest0-21swapper/521:35:015
366112499343341,1cyclictest0-21swapper/319:55:013
366111199343342,1cyclictest3765044-21kworker/1:021:59:021
366111199343342,1cyclictest0-21swapper/122:06:021
366111199343341,1cyclictest3837652-21kworker/1:122:43:021
366111199343341,1cyclictest0-21swapper/100:36:011
366114399342341,1cyclictest3925617-21kworker/5:019:15:015
366114399342341,1cyclictest3925617-21kworker/5:000:15:015
366114399342341,1cyclictest0-21swapper/500:27:025
366111199342341,1cyclictest3765044-21kworker/1:021:52:011
366111199342341,1cyclictest3765044-21kworker/1:021:35:021
366111199342341,1cyclictest0-21swapper/122:20:011
366111199342340,1cyclictest3879837-21kworker/1:200:27:021
366114399341340,1cyclictest3925617-21kworker/5:022:58:015
366114399341340,1cyclictest0-21swapper/521:46:025
366111199341340,1cyclictest0-21swapper/119:15:021
366111199341340,1cyclictest0-21swapper/100:15:021
366114399340339,1cyclictest3925617-21kworker/5:023:03:025
366114399340339,1cyclictest3925617-21kworker/5:021:27:015
366114399340339,1cyclictest3925617-21kworker/5:000:34:025
366114399340339,1cyclictest0-21swapper/523:06:025
366114399340339,1cyclictest0-21swapper/521:20:015
366114399340339,1cyclictest0-21swapper/519:23:025
366114399340339,1cyclictest0-21swapper/500:07:025
366111199340339,1cyclictest3765044-21kworker/1:021:46:011
366111199340339,1cyclictest0-21swapper/122:58:021
366111199340339,1cyclictest0-21swapper/121:27:021
366111199340338,1cyclictest0-21swapper/123:03:021
366111199340338,1cyclictest0-21swapper/100:34:011
366114399339338,1cyclictest3925617-21kworker/5:023:15:025
366114399339338,1cyclictest3925617-21kworker/5:022:53:015
366114399339338,1cyclictest3925617-21kworker/5:020:40:015
366114399339338,1cyclictest3925617-21kworker/5:000:24:015
366111199339338,1cyclictest3978152-21kworker/1:121:20:021
366111199339338,1cyclictest3879837-21kworker/1:200:07:011
366111199339338,1cyclictest3837652-21kworker/1:123:06:011
366114399338337,1cyclictest0-21swapper/520:55:025
366114399338337,1cyclictest0-21swapper/520:55:015
366114399338337,1cyclictest0-21swapper/520:28:015
366114399338336,1cyclictest0-21swapper/520:24:025
366111199338337,1cyclictest3978152-21kworker/1:119:23:021
366111199338337,1cyclictest0-21swapper/123:15:011
366111199338337,1cyclictest0-21swapper/122:53:021
366111199338337,1cyclictest0-21swapper/120:40:021
366111199338337,1cyclictest0-21swapper/100:24:021
366114399337336,1cyclictest0-21swapper/520:50:025
366114399337335,1cyclictest0-21swapper/519:14:015
366111199337336,1cyclictest3978152-21kworker/1:120:55:021
366111199337336,1cyclictest3978152-21kworker/1:120:55:021
366111199337336,1cyclictest3978152-21kworker/1:120:28:021
366111199337335,1cyclictest3978152-21kworker/1:120:50:011
366114399336333,2cyclictest0-21swapper/520:33:015
366114399335334,1cyclictest0-21swapper/519:57:025
366114399335334,1cyclictest0-21swapper/519:32:025
366111199335334,1cyclictest3978152-21kworker/1:120:24:021
366111199335334,1cyclictest3978152-21kworker/1:119:14:021
366114399334333,1cyclictest0-21swapper/520:47:025
366111199334333,1cyclictest3978152-21kworker/1:120:32:021
366111199334333,1cyclictest3978152-21kworker/1:119:57:021
366111199334333,1cyclictest3978152-21kworker/1:119:32:011
366111199333332,1cyclictest3978152-21kworker/1:120:47:021
366115899323322,1cyclictest0-21swapper/723:32:027
366115899323320,2cyclictest3888138-21kworker/7:223:44:017
366115899321319,1cyclictest0-21swapper/700:35:027
366115899319317,1cyclictest3888138-21kworker/7:223:29:017
366115899317315,1cyclictest3718950-21kworker/7:321:18:017
366115899317315,1cyclictest0-21swapper/723:11:027
366115899316315,1cyclictest3757095-21kworker/7:121:58:017
366115899316314,1cyclictest3959660-21kworker/7:100:31:027
366115899316314,1cyclictest0-21swapper/722:29:017
366115899316314,1cyclictest0-21swapper/722:22:027
366115899315314,1cyclictest3757095-21kworker/7:122:12:027
366115899315313,1cyclictest0-21swapper/722:37:027
366115899315313,1cyclictest0-21swapper/700:16:017
366115899314312,1cyclictest0-21swapper/700:08:017
366115899314311,2cyclictest3757095-21kworker/7:121:40:027
366115899313312,1cyclictest3757095-21kworker/7:121:47:027
366115899313312,1cyclictest0-21swapper/722:09:027
366115899313311,1cyclictest3881713-21kworker/7:023:17:017
366115899313311,1cyclictest0-21swapper/720:14:027
366115899312311,1cyclictest3888138-21kworker/7:223:21:017
366115899312311,1cyclictest3718950-21kworker/7:321:26:027
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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