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2026-06-09 - 13:39
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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 Tue Jun 09, 2026 00:46:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3444572993800,1cyclictest0-21swapper/520:16:025
344455799380379,1cyclictest3601616-21kworker/3:022:56:023
344453999380379,1cyclictest3733310-21kworker/1:120:16:021
344455799379378,1cyclictest3652745-21kworker/3:100:25:023
344455799379375,2cyclictest3601616-21kworker/3:022:27:023
344455799378377,1cyclictest3469439-21kworker/3:221:51:023
344455799378375,2cyclictest0-21swapper/322:19:023
344455799377376,1cyclictest0-21swapper/323:41:013
344455799377376,1cyclictest0-21swapper/322:01:023
344455799377376,1cyclictest0-21swapper/321:38:013
344455799376375,1cyclictest0-21swapper/323:36:023
344455799376375,1cyclictest0-21swapper/322:20:023
344455799376375,1cyclictest0-21swapper/300:11:023
344455799376374,2cyclictest97550irq/166-enp0s3123:51:023
344455799376374,1cyclictest3652745-21kworker/3:123:22:023
344455799375374,1cyclictest3652745-21kworker/3:123:17:023
344455799375374,1cyclictest3601616-21kworker/3:023:00:023
344455799375374,1cyclictest3601616-21kworker/3:022:43:023
344455799375374,1cyclictest0-21swapper/322:35:023
344455799375374,1cyclictest0-21swapper/300:18:023
344455799375373,1cyclictest3652745-21kworker/3:123:11:013
344455799375373,1cyclictest0-21swapper/300:06:023
344455799374373,1cyclictest3469439-21kworker/3:221:21:023
344455799374373,1cyclictest0-21swapper/322:54:023
344455799374373,1cyclictest0-21swapper/322:49:023
344455799374373,1cyclictest0-21swapper/321:28:023
344455799373372,1cyclictest3733338-21kworker/3:120:05:023
344455799373372,1cyclictest0-21swapper/323:56:023
344455799373372,1cyclictest0-21swapper/322:31:023
344455799373372,1cyclictest0-21swapper/322:31:023
344455799373370,3cyclictest0-21swapper/321:00:023
344455799372371,1cyclictest3469439-21kworker/3:221:13:023
344455799372371,1cyclictest3469439-21kworker/3:220:45:023
344455799372371,1cyclictest0-21swapper/321:48:023
344455799371370,1cyclictest3733338-21kworker/3:120:00:023
344455799371370,1cyclictest3469439-21kworker/3:220:56:023
344455799371370,1cyclictest0-21swapper/321:56:023
344455799371369,1cyclictest0-21swapper/320:31:023
344455799369368,1cyclictest0-21swapper/321:08:023
344455799369368,1cyclictest0-21swapper/321:08:013
344455799369368,1cyclictest0-21swapper/319:33:023
344455799369368,1cyclictest0-21swapper/319:24:023
344455799369367,1cyclictest0-21swapper/320:12:023
344455799369367,1cyclictest0-21swapper/319:37:023
344455799368367,1cyclictest3733338-21kworker/3:119:58:023
344455799368367,1cyclictest3469439-21kworker/3:220:51:023
344455799368367,1cyclictest0-21swapper/320:42:023
344455799368367,1cyclictest0-21swapper/320:26:023
344455799368367,1cyclictest0-21swapper/320:17:023
344455799368367,1cyclictest0-21swapper/319:41:023
344455799368367,1cyclictest0-21swapper/319:41:023
344455799368367,1cyclictest0-21swapper/319:16:023
344455799367366,1cyclictest3733338-21kworker/3:120:24:023
344455799367366,1cyclictest3733338-21kworker/3:119:53:023
344455799366365,1cyclictest3733338-21kworker/3:119:26:023
344455799366365,1cyclictest3733338-21kworker/3:119:11:023
344455799365364,1cyclictest3733338-21kworker/3:120:38:023
344455099352351,1cyclictest0-21swapper/223:24:022
344455099349347,1cyclictest3469380-21kworker/2:100:33:022
344455099348347,1cyclictest0-21swapper/223:33:022
344455099348347,1cyclictest0-21swapper/200:36:022
344455099348346,1cyclictest0-21swapper/222:24:022
344455099348346,1cyclictest0-21swapper/222:02:022
344455099347344,2cyclictest3469380-21kworker/2:100:17:022
344455099346345,1cyclictest3469380-21kworker/2:123:19:022
344455099346345,1cyclictest0-21swapper/200:08:022
344455099346344,1cyclictest0-21swapper/223:05:022
344455099345344,1cyclictest0-21swapper/223:49:022
344455099345344,1cyclictest0-21swapper/222:52:022
344455099345343,1cyclictest0-21swapper/223:40:022
344455099345343,1cyclictest0-21swapper/222:45:022
344455099344343,1cyclictest3469380-21kworker/2:123:25:022
344455099344343,1cyclictest3469380-21kworker/2:122:09:022
344455099344343,1cyclictest0-21swapper/222:10:022
344458699343340,2cyclictest3715688-21kworker/7:200:00:027
344458699343340,2cyclictest3715688-21kworker/7:200:00:027
344455099343342,1cyclictest3469380-21kworker/2:123:35:022
344455099343342,1cyclictest0-21swapper/222:15:022
344455099343342,1cyclictest0-21swapper/221:43:022
344455099343342,1cyclictest0-21swapper/220:58:022
344453399343342,1cyclictest3679437-21kworker/0:123:34:020
344453399343342,1cyclictest3616574-21kworker/0:222:53:020
344455099342341,1cyclictest3469380-21kworker/2:122:42:022
344455099342341,1cyclictest3469380-21kworker/2:100:24:022
344455099342341,1cyclictest0-21swapper/220:30:022
344455099342341,1cyclictest0-21swapper/219:20:022
344455099342341,1cyclictest0-21swapper/200:02:022
344455099342341,1cyclictest0-21swapper/200:02:022
344455099342340,1cyclictest0-21swapper/221:31:022
344453399342340,1cyclictest3616574-21kworker/0:223:18:020
344455099341340,1cyclictest3469380-21kworker/2:122:33:022
344455099341340,1cyclictest3469380-21kworker/2:122:33:022
344455099341340,1cyclictest0-21swapper/221:25:022
344455099341340,1cyclictest0-21swapper/221:14:022
344453399341340,1cyclictest0-21swapper/023:23:020
344455099340339,1cyclictest0-21swapper/223:01:022
344455099340339,1cyclictest0-21swapper/219:45:022
344453399340339,1cyclictest3571373-21kworker/0:122:25:010
344453399340339,1cyclictest3487483-21kworker/0:221:49:020
344453399340339,1cyclictest0-21swapper/023:04:020
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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