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2026-07-22 - 09:00
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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 Wed Jul 22, 2026 00:46:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
226390699382379,2cyclictest2456915-21kworker/5:023:33:025
226389199382380,1cyclictest2276745-21kworker/3:120:28:023
226389199381379,1cyclictest2327895-21kworker/3:021:09:023
226387999381379,1cyclictest2254483-21kworker/2:020:55:032
226387999381379,1cyclictest2254483-21kworker/2:020:55:022
226390699380379,1cyclictest2456915-21kworker/5:023:27:025
2263906993800,380cyclictest2456915-21kworker/5:000:29:025
2263906993800,379cyclictest0-21swapper/522:10:025
226389199380378,1cyclictest2327895-21kworker/3:020:57:023
226389199380378,1cyclictest2327895-21kworker/3:020:57:023
226387999380379,1cyclictest2254483-21kworker/2:022:08:022
2263879993800,379cyclictest0-21swapper/220:16:022
2263906993790,378cyclictest0-21swapper/521:44:025
2263906993790,1cyclictest2218918-21kworker/5:121:59:025
226389199379377,1cyclictest2276745-21kworker/3:119:56:023
226387999379377,1cyclictest2254483-21kworker/2:021:20:022
226390699378376,2cyclictest2456915-21kworker/5:023:07:025
226390699378375,2cyclictest2218918-21kworker/5:120:35:025
2263906993780,1cyclictest2456915-21kworker/5:000:17:035
226387999378377,1cyclictest2472294-21kworker/2:223:46:022
226387999378376,1cyclictest0-21swapper/223:24:022
226387999378376,1cyclictest0-21swapper/221:30:032
226390699377375,1cyclictest2218918-21kworker/5:122:30:035
226390699377375,1cyclictest2218918-21kworker/5:122:16:025
226390699377375,1cyclictest0-21swapper/500:36:025
2263906993770,377cyclictest2550235-21kworker/5:019:57:025
2263906993770,377cyclictest2218918-21kworker/5:120:51:025
2263906993770,1cyclictest2218918-21kworker/5:122:45:025
226387999377376,1cyclictest0-21swapper/223:53:022
226387999377376,1cyclictest0-21swapper/220:09:022
226387999377376,1cyclictest0-21swapper/219:59:022
226387999377376,1cyclictest0-21swapper/219:47:022
226387999377375,1cyclictest0-21swapper/223:38:032
226387999377375,1cyclictest0-21swapper/221:52:032
226387999377375,1cyclictest0-21swapper/200:30:022
2263906993760,376cyclictest0-21swapper/523:13:025
226387999376375,1cyclictest2472294-21kworker/2:223:10:022
226387999376375,1cyclictest0-21swapper/220:39:022
226387999376374,1cyclictest0-21swapper/222:34:022
226387999376374,1cyclictest0-21swapper/222:24:022
226387999376374,1cyclictest0-21swapper/222:24:022
226387999376374,1cyclictest0-21swapper/220:47:022
226390699375374,1cyclictest0-21swapper/521:29:025
226390699375374,1cyclictest0-21swapper/500:13:035
226390699375373,1cyclictest0-21swapper/519:41:035
226387999375374,1cyclictest2254483-21kworker/2:019:21:022
226387999375374,1cyclictest0-21swapper/221:18:022
226387999375373,2cyclictest2472294-21kworker/2:200:39:022
226387999375373,1cyclictest2254483-21kworker/2:022:58:022
226387999375373,1cyclictest2254483-21kworker/2:019:50:022
226387999375373,1cyclictest0-21swapper/223:55:022
226387999375373,1cyclictest0-21swapper/223:18:022
226387999375373,1cyclictest0-21swapper/222:52:022
226387999375373,1cyclictest0-21swapper/221:40:022
226390699374370,3cyclictest2456915-21kworker/5:023:40:035
226387999374373,1cyclictest2254483-21kworker/2:021:27:022
226387999374373,1cyclictest0-21swapper/222:41:022
226387999374373,1cyclictest0-21swapper/200:04:022
226387999374372,1cyclictest0-21swapper/222:14:022
226387999374371,2cyclictest2254483-21kworker/2:022:15:022
226390699373372,1cyclictest2218918-21kworker/5:120:45:025
226390699373371,1cyclictest2218918-21kworker/5:122:26:025
226387999373372,1cyclictest0-21swapper/222:00:022
226387999373372,1cyclictest0-21swapper/200:25:022
226387999373371,1cyclictest0-21swapper/221:48:022
226390699372371,1cyclictest0-21swapper/522:20:025
226390699372371,1cyclictest0-21swapper/522:20:025
226390699372370,1cyclictest2218918-21kworker/5:122:38:025
226390699372370,1cyclictest0-21swapper/521:32:035
226387999372371,1cyclictest2254483-21kworker/2:020:20:032
226390699371369,1cyclictest2218918-21kworker/5:122:04:025
226390699371368,2cyclictest2218918-21kworker/5:121:15:025
226387999371369,1cyclictest2254483-21kworker/2:019:27:022
226390699370369,1cyclictest2456915-21kworker/5:000:20:025
226387999370368,1cyclictest0-21swapper/220:53:022
226387999370368,1cyclictest0-21swapper/220:11:022
226390699369368,1cyclictest0-21swapper/522:43:025
226390699369367,1cyclictest2550235-21kworker/5:019:31:025
226390699369367,1cyclictest2550235-21kworker/5:019:31:025
226390699369367,1cyclictest2456915-21kworker/5:000:32:025
226387999369368,1cyclictest2254483-21kworker/2:021:06:022
226390699368367,1cyclictest0-21swapper/523:35:025
226390699368367,1cyclictest0-21swapper/522:54:025
226390699368367,1cyclictest0-21swapper/521:46:025
226387999368366,1cyclictest0-21swapper/220:29:032
226390699367366,1cyclictest0-21swapper/522:56:025
226387999367365,1cyclictest0-21swapper/219:14:022
226387999366365,1cyclictest0-21swapper/220:42:022
226387999366364,1cyclictest2254483-21kworker/2:019:16:022
226390699365364,1cyclictest2456915-21kworker/5:023:48:025
226390699365364,1cyclictest0-21swapper/519:11:025
226390699365363,1cyclictest2456915-21kworker/5:023:51:025
226390699365363,1cyclictest2456915-21kworker/5:023:04:025
226390699365363,1cyclictest0-21swapper/520:04:025
226387999365364,1cyclictest2254483-21kworker/2:019:34:022
226387999365364,1cyclictest2254483-21kworker/2:019:34:022
226390699364363,1cyclictest2456915-21kworker/5:023:15:035
226390699364362,1cyclictest2456915-21kworker/5:023:56:025
226387999364363,1cyclictest0-21swapper/219:42:032
226390699363362,1cyclictest2550235-21kworker/5:020:31:035
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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