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2026-08-27 - 23:40
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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 Thu Aug 27, 2026 12:46:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
274079823830,10sleep442-21ksoftirqd/407:05:204
274201799375373,1cyclictest0-21swapper/710:51:037
274198199355353,1cyclictest2847911-21kworker/2:010:55:022
274198199354352,1cyclictest0-21swapper/207:50:022
274198199353352,1cyclictest3005376-21kworker/2:109:25:022
274198199353352,1cyclictest2847911-21kworker/2:010:46:022
274198199352351,1cyclictest2827018-21kworker/2:209:50:022
274198199352351,1cyclictest2697460-21kworker/2:208:00:022
274198199352351,1cyclictest0-21swapper/212:00:032
274198199352351,1cyclictest0-21swapper/211:40:022
274198199352351,1cyclictest0-21swapper/211:30:022
274198199352350,1cyclictest2847911-21kworker/2:012:35:022
274198199351350,1cyclictest2847911-21kworker/2:011:50:022
274198199351350,1cyclictest2697460-21kworker/2:208:25:022
274198199351350,1cyclictest2697460-21kworker/2:207:10:022
274198199351350,1cyclictest0-21swapper/207:43:022
274198199351350,1cyclictest0-21swapper/207:30:022
274198199351349,1cyclictest2847911-21kworker/2:011:36:022
274198199351349,1cyclictest2847911-21kworker/2:011:00:032
274198199351349,1cyclictest0-21swapper/207:48:022
274198199350349,1cyclictest2847911-21kworker/2:012:29:022
274198199350349,1cyclictest2847911-21kworker/2:012:23:022
274198199350349,1cyclictest2847911-21kworker/2:011:25:032
274198199350349,1cyclictest2847911-21kworker/2:011:25:022
274198199350348,1cyclictest2847911-21kworker/2:011:11:022
274198199350348,1cyclictest2827018-21kworker/2:209:45:022
274198199350348,1cyclictest2697460-21kworker/2:208:14:032
274198199349348,1cyclictest2847911-21kworker/2:010:50:012
274198199349348,1cyclictest2847911-21kworker/2:010:12:032
274198199349348,1cyclictest2827018-21kworker/2:209:39:022
274198199349348,1cyclictest0-21swapper/209:56:022
274198199349348,1cyclictest0-21swapper/209:08:022
274198199349348,1cyclictest0-21swapper/207:57:012
274198199349347,1cyclictest0-21swapper/211:06:032
274198199349347,1cyclictest0-21swapper/210:33:022
274198199349347,1cyclictest0-21swapper/209:42:022
274198899348346,1cyclictest0-21swapper/307:23:013
274198199348347,1cyclictest2847911-21kworker/2:011:19:022
274198199348347,1cyclictest0-21swapper/210:26:022
274198199348347,1cyclictest0-21swapper/208:59:012
274198199348346,1cyclictest2847911-21kworker/2:012:06:032
274198199348346,1cyclictest0-21swapper/208:48:032
274196299348347,1cyclictest2703464-21kworker/0:008:21:010
274198199347346,1cyclictest3005376-21kworker/2:109:24:012
274198199347346,1cyclictest2827018-21kworker/2:209:34:022
274198199347346,1cyclictest2697460-21kworker/2:207:22:022
274198199347346,1cyclictest0-21swapper/207:19:022
274196299347346,1cyclictest2703464-21kworker/0:010:03:030
274196299347346,1cyclictest2703464-21kworker/0:010:03:020
274196299347346,1cyclictest2703464-21kworker/0:008:07:010
274196299347346,1cyclictest0-21swapper/009:00:010
274198199346345,1cyclictest2697460-21kworker/2:208:24:022
274198199346345,1cyclictest0-21swapper/211:57:032
274198899345344,1cyclictest0-21swapper/309:31:033
274198199345344,1cyclictest3005376-21kworker/2:109:19:022
274196299345344,1cyclictest0-21swapper/007:55:010
274196299345343,1cyclictest2703464-21kworker/0:010:32:020
274196299344343,1cyclictest0-21swapper/010:21:030
274196299344343,1cyclictest0-21swapper/009:49:020
274196299344342,2cyclictest2703464-21kworker/0:009:26:020
274196299344342,1cyclictest0-21swapper/010:05:030
274196299343342,1cyclictest2703464-21kworker/0:010:25:020
274196299343342,1cyclictest0-21swapper/011:41:020
274196299343341,1cyclictest0-21swapper/010:16:020
274196299343341,1cyclictest0-21swapper/008:26:020
274198899342341,1cyclictest2781909-21kworker/3:211:46:023
274198899342341,1cyclictest0-21swapper/311:10:033
274196299342341,1cyclictest2703464-21kworker/0:012:05:020
274196299342341,1cyclictest2703464-21kworker/0:009:40:030
274196299342341,1cyclictest2703464-21kworker/0:008:45:020
274196299342341,1cyclictest0-21swapper/012:20:030
274196299342341,1cyclictest0-21swapper/011:45:020
274196299342341,1cyclictest0-21swapper/011:15:020
274196299342340,1cyclictest0-21swapper/011:38:020
274198899341340,1cyclictest0-21swapper/310:20:033
274198899341340,1cyclictest0-21swapper/308:55:013
274198899341340,1cyclictest0-21swapper/308:20:023
274198899341339,1cyclictest0-21swapper/309:55:033
274198899341339,1cyclictest0-21swapper/308:40:023
274196299341340,1cyclictest2703464-21kworker/0:012:33:020
274196299341340,1cyclictest2703464-21kworker/0:008:41:020
274196299341340,1cyclictest0-21swapper/011:03:020
274196299341340,1cyclictest0-21swapper/010:49:020
274198899340339,1cyclictest2781909-21kworker/3:210:15:023
274198899340339,1cyclictest2781909-21kworker/3:210:00:033
274198899340339,1cyclictest2781909-21kworker/3:210:00:023
274198899340339,1cyclictest2781909-21kworker/3:208:35:023
274198899340339,1cyclictest2781909-21kworker/3:208:35:013
274198899340339,1cyclictest0-21swapper/310:10:033
274198899340339,1cyclictest0-21swapper/309:18:023
274198899340338,1cyclictest2781909-21kworker/3:209:48:023
274196299340339,1cyclictest2703464-21kworker/0:007:16:010
274196299340339,1cyclictest0-21swapper/012:11:030
274196299340339,1cyclictest0-21swapper/011:22:020
274196299340339,1cyclictest0-21swapper/009:05:010
274196299340339,1cyclictest0-21swapper/007:41:010
274196299340339,1cyclictest0-21swapper/007:38:010
274198899339338,1cyclictest2781909-21kworker/3:211:20:023
274198899339338,1cyclictest2781909-21kworker/3:210:08:023
274198899339338,1cyclictest2781909-21kworker/3:209:37:033
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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