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2026-08-31 - 08:21
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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 Aug 31, 2026 00:46:36)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
395301899365361,1cyclictest14655-21kworker/6:120:11:026
395298999351348,1cyclictest0-21swapper/220:11:022
395297799307305,1cyclictest0-21swapper/120:11:021
395301099304302,1cyclictest3989926-21kworker/5:120:11:015
395301899297295,1cyclictest0-21swapper/621:54:026
395301899292290,1cyclictest0-21swapper/622:19:016
395301899292290,1cyclictest0-21swapper/600:11:026
395301899291289,1cyclictest0-21swapper/622:25:026
395301899291288,2cyclictest14655-21kworker/6:122:57:016
395301899290289,1cyclictest14655-21kworker/6:123:37:026
395301899289288,1cyclictest14655-21kworker/6:123:15:016
395301899289287,1cyclictest14655-21kworker/6:121:39:016
395301899289287,1cyclictest0-21swapper/600:01:016
395301899289286,2cyclictest4025983-21diskmemload21:43:016
395301899288286,1cyclictest0-21swapper/600:29:026
395301899288285,2cyclictest14655-21kworker/6:122:21:016
395301899287285,1cyclictest0-21swapper/621:29:026
395301899287285,1cyclictest0-21swapper/621:15:026
395301899286285,1cyclictest0-21swapper/623:46:026
395301899286285,1cyclictest0-21swapper/623:11:026
395301899286285,1cyclictest0-21swapper/600:09:026
395301899286284,1cyclictest14655-21kworker/6:122:50:016
395301899286284,1cyclictest0-21swapper/621:45:016
395301899286283,2cyclictest14655-21kworker/6:122:01:016
395297799286285,1cyclictest0-21swapper/121:19:011
395301899285284,1cyclictest0-21swapper/622:45:026
395298999285282,1cyclictest0-21swapper/221:54:012
395301899283282,1cyclictest0-21swapper/622:38:026
395301899283282,1cyclictest0-21swapper/622:38:026
395301899283280,2cyclictest14655-21kworker/6:122:13:026
395301899282281,1cyclictest16580-21kworker/6:000:35:026
395301899282280,1cyclictest0-21swapper/620:09:026
395301099282281,1cyclictest3989926-21kworker/5:121:19:025
395301899281280,1cyclictest0-21swapper/619:36:016
395301899281279,1cyclictest3992933-21kworker/6:220:23:016
395301899281279,1cyclictest14655-21kworker/6:119:11:016
395298999280276,2cyclictest4043468-21kworker/2:022:25:022
395297799280279,1cyclictest0-21swapper/100:37:021
395301899279278,1cyclictest0-21swapper/620:31:026
395301899279277,1cyclictest0-21swapper/619:19:016
395301899279276,2cyclictest14655-21kworker/6:119:57:016
395301899278277,1cyclictest0-21swapper/620:39:026
395301899278277,1cyclictest0-21swapper/620:01:026
395301899278276,1cyclictest14655-21kworker/6:123:07:026
395298999278277,1cyclictest4043468-21kworker/2:022:19:022
395298999278276,1cyclictest27120-21kworker/2:200:11:012
395301899277276,1cyclictest3992933-21kworker/6:220:49:016
395301899277276,1cyclictest0-21swapper/621:32:026
395301899277275,2cyclictest16580-21kworker/6:000:16:016
395301899277275,1cyclictest14655-21kworker/6:120:58:026
395301899277275,1cyclictest0-21swapper/621:10:016
395301899277275,1cyclictest0-21swapper/621:10:016
395299699277276,1cyclictest0-21swapper/321:19:023
395298999277276,1cyclictest0-21swapper/223:37:012
395298999277275,1cyclictest4171713-21ssh23:15:022
395302399276274,1cyclictest4028316-21kworker/7:221:19:017
395301899276275,1cyclictest0-21swapper/623:32:026
395301099276275,1cyclictest4181999-21kworker/5:200:37:015
395298999276275,1cyclictest0-21swapper/222:57:022
395298999276273,2cyclictest4043468-21kworker/2:000:01:022
395301899275274,1cyclictest0-21swapper/623:58:016
395298999275273,1cyclictest4043468-21kworker/2:021:43:022
395298999275273,1cyclictest27120-21kworker/2:200:29:022
395298999275272,2cyclictest4043468-21kworker/2:023:46:012
395301899274273,1cyclictest0-21swapper/622:30:016
395298999274273,1cyclictest0-21swapper/221:39:022
395298999274272,1cyclictest0-21swapper/222:21:012
395298999274271,2cyclictest4043468-21kworker/2:021:49:022
395301899273272,1cyclictest0-21swapper/619:20:026
395301899273271,1cyclictest16580-21kworker/6:023:52:016
395301899273271,1cyclictest14655-21kworker/6:121:02:026
395301899273271,1cyclictest14655-21kworker/6:119:51:016
395298999273271,1cyclictest4043468-21kworker/2:023:11:012
395298999273271,1cyclictest4043468-21kworker/2:021:29:012
395298999273271,1cyclictest3952850-21kworker/2:121:15:022
395298999273271,1cyclictest0-21swapper/222:50:022
395301899272271,1cyclictest16580-21kworker/6:000:30:026
395301899272271,1cyclictest14655-21kworker/6:123:41:026
395301899272271,1cyclictest0-21swapper/623:00:026
395301899272271,1cyclictest0-21swapper/619:31:026
395301899272270,1cyclictest14655-21kworker/6:121:22:026
395298999272271,1cyclictest27120-21kworker/2:200:09:012
395298999272270,1cyclictest0-21swapper/222:01:022
395301899271270,1cyclictest0-21swapper/622:40:026
395301899271269,1cyclictest14655-21kworker/6:123:22:016
395298999271270,1cyclictest4043468-21kworker/2:022:45:012
395301899270269,1cyclictest16580-21kworker/6:000:24:016
395299699270269,1cyclictest0-21swapper/300:37:023
395298999270268,1cyclictest4043468-21kworker/2:022:38:022
395298999270268,1cyclictest4043468-21kworker/2:022:38:012
395302399269268,1cyclictest22936-21kworker/7:100:37:017
395301899269268,1cyclictest14655-21kworker/6:119:29:026
395301899269268,1cyclictest0-21swapper/620:25:026
395298999269267,1cyclictest3952850-21kworker/2:119:36:022
395298999269267,1cyclictest0-21swapper/222:13:022
395298999269267,1cyclictest0-21swapper/200:35:012
395298999268266,1cyclictest3952850-21kworker/2:120:09:012
395298999268266,1cyclictest0-21swapper/220:23:022
395301899267266,1cyclictest0-21swapper/620:16:016
395301899267265,2cyclictest14655-21kworker/6:119:46:026
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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