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2026-08-07 - 14:52
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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 Fri Aug 07, 2026 00:46:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
361953399381380,1cyclictest3629354-21kworker/5:219:51:025
361950099370369,1cyclictest0-21swapper/121:06:021
361950099369368,1cyclictest0-21swapper/119:51:021
361951199356355,1cyclictest0-21swapper/223:39:022
361951999354352,1cyclictest0-21swapper/300:03:023
361951199344341,2cyclictest3590021-21kworker/2:121:49:022
361951199342340,1cyclictest0-21swapper/223:31:022
361951199341340,1cyclictest0-21swapper/200:00:022
361951199340338,1cyclictest3910229-21kworker/2:100:31:022
361951199340338,1cyclictest3590021-21kworker/2:121:51:022
361951199340337,2cyclictest3590021-21kworker/2:121:23:022
361951199339336,2cyclictest3772846-21kworker/2:200:05:022
361951199338337,1cyclictest3590021-21kworker/2:122:05:022
361951199338337,1cyclictest0-21swapper/223:43:022
361951199338337,1cyclictest0-21swapper/223:43:022
361951199338337,1cyclictest0-21swapper/223:15:022
361951199338336,1cyclictest0-21swapper/222:17:022
361951199338336,1cyclictest0-21swapper/222:17:022
361951199338335,2cyclictest840-21rngd23:20:022
361951199337335,1cyclictest3590021-21kworker/2:120:05:022
361954099336335,1cyclictest3720180-21kworker/6:023:39:026
361951199336335,1cyclictest0-21swapper/222:55:022
361951199336334,1cyclictest3590021-21kworker/2:121:15:022
361951199336334,1cyclictest3590021-21kworker/2:121:13:022
361951199334332,1cyclictest0-21swapper/221:39:022
361951199334332,1cyclictest0-21swapper/220:45:032
361951199334332,1cyclictest0-21swapper/220:45:022
361951199334331,1cyclictest3927078-21kworker/2:019:12:022
361951199333331,1cyclictest3927078-21kworker/2:019:41:022
361951199333331,1cyclictest3590021-21kworker/2:121:40:022
361951199332331,1cyclictest0-21swapper/222:10:022
361951199332331,1cyclictest0-21swapper/220:17:022
361951199332330,1cyclictest3910229-21kworker/2:100:20:022
361951199332330,1cyclictest0-21swapper/221:32:022
361954899331329,1cyclictest3862364-21kworker/7:200:03:027
361951199330328,1cyclictest3590021-21kworker/2:120:37:022
361951199330328,1cyclictest3590021-21kworker/2:120:03:022
361951199330328,1cyclictest0-21swapper/220:59:022
361951199329328,1cyclictest3590021-21kworker/2:120:53:032
361951199329328,1cyclictest0-21swapper/223:02:022
361951199329327,1cyclictest3590021-21kworker/2:120:41:022
361951199329327,1cyclictest0-21swapper/221:07:022
361952599327326,1cyclictest0-21swapper/423:33:024
361952599326325,1cyclictest0-21swapper/422:47:024
361951199326325,1cyclictest0-21swapper/222:50:022
361951199326325,1cyclictest0-21swapper/221:26:022
361951199326324,1cyclictest0-21swapper/221:58:022
361952599325323,1cyclictest0-21swapper/423:55:024
361951199325323,1cyclictest0-21swapper/223:05:022
361951199325323,1cyclictest0-21swapper/222:48:022
361952599324323,1cyclictest0-21swapper/422:37:024
361951199324323,1cyclictest0-21swapper/223:45:022
361954099323320,2cyclictest3720180-21kworker/6:023:31:026
361952599323322,1cyclictest3745089-21kworker/4:021:55:024
361952599323322,1cyclictest0-21swapper/423:35:024
361952599323321,1cyclictest3692507-21diskmemload22:33:024
361951199323322,1cyclictest3772846-21kworker/2:223:56:022
361951199323321,1cyclictest0-21swapper/223:10:022
361951199323320,2cyclictest3772846-21kworker/2:222:29:022
361954099322321,1cyclictest0-21swapper/621:49:036
361954099322320,1cyclictest3720180-21kworker/6:000:00:026
361952599322321,1cyclictest3910006-21kworker/4:121:25:024
361951199322321,1cyclictest3910229-21kworker/2:100:36:022
361951199322321,1cyclictest3910229-21kworker/2:100:25:022
361951199322321,1cyclictest0-21swapper/222:40:022
361951199322320,1cyclictest0-21swapper/219:30:022
361952599321320,1cyclictest0-21swapper/422:54:024
361952599321319,1cyclictest0-21swapper/421:05:024
361951199321320,1cyclictest0-21swapper/219:50:022
361951199321319,1cyclictest3927078-21kworker/2:019:46:032
361954099320318,1cyclictest0-21swapper/621:23:026
361954099320318,1cyclictest0-21swapper/600:31:026
361952599320319,1cyclictest3839301-21kworker/4:223:19:024
361952599320319,1cyclictest0-21swapper/421:19:024
361952599320319,1cyclictest0-21swapper/400:39:024
361952599320318,1cyclictest0-21swapper/422:13:024
361951199320319,1cyclictest0-21swapper/220:12:022
361951199320319,1cyclictest0-21swapper/219:55:022
361954099319318,1cyclictest0-21swapper/621:51:026
361954099319317,1cyclictest3720180-21kworker/6:023:43:026
361954099319317,1cyclictest3720180-21kworker/6:023:43:026
361954099319317,1cyclictest0-21swapper/622:05:026
361954099319316,2cyclictest3720180-21kworker/6:023:15:026
361954099319316,2cyclictest3720180-21kworker/6:022:17:026
361954099319316,2cyclictest3720180-21kworker/6:022:17:026
361952599319318,1cyclictest3910006-21kworker/4:121:10:024
361952599319318,1cyclictest3856253-21kworker/4:023:47:024
361952599319318,1cyclictest0-21swapper/420:07:024
361952599319318,1cyclictest0-21swapper/419:10:024
361952599319318,1cyclictest0-21swapper/400:11:024
361952599319317,1cyclictest3910006-21kworker/4:119:43:024
361952599319317,1cyclictest0-21swapper/423:06:024
361951199319318,1cyclictest0-21swapper/219:38:022
361951199319317,1cyclictest3590021-21kworker/2:120:32:022
361951199319317,1cyclictest0-21swapper/219:24:022
361951199319317,1cyclictest0-21swapper/219:24:022
361952599318317,1cyclictest0-21swapper/423:01:024
361952599318317,1cyclictest0-21swapper/421:54:024
361952599318316,1cyclictest3839301-21kworker/4:223:25:024
361954099317316,1cyclictest0-21swapper/600:05:026
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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