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2025-10-22 - 23:16
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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 50 highest latencies:
System rackcslot6.osadl.org (updated Wed Oct 22, 2025 12:46:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
100628323730,11sleep121-21ksoftirqd/107:05:161
100843399345343,1cyclictest0-21swapper/010:49:020
100843399336334,1cyclictest2484758-21kworker/0:109:03:030
100843399335334,1cyclictest2484758-21kworker/0:108:00:030
100843399334333,1cyclictest2484758-21kworker/0:112:35:020
100843399334333,1cyclictest2484758-21kworker/0:109:20:030
100843399334332,1cyclictest2484758-21kworker/0:109:35:030
100843399333332,1cyclictest2484758-21kworker/0:109:59:030
100843399332331,1cyclictest2484758-21kworker/0:111:07:030
100843399331329,1cyclictest2484758-21kworker/0:107:10:020
100843399331329,1cyclictest0-21swapper/009:14:030
100843399331329,1cyclictest0-21swapper/009:14:020
100843399330329,1cyclictest2484758-21kworker/0:110:31:020
100843399330329,1cyclictest2484758-21kworker/0:108:13:030
100843399329328,1cyclictest0-21swapper/010:09:020
100843399328327,1cyclictest0-21swapper/012:30:020
100843399328327,1cyclictest0-21swapper/010:50:010
100843399328327,1cyclictest0-21swapper/008:53:030
100843399327326,1cyclictest2484758-21kworker/0:112:20:020
100843399327326,1cyclictest2484758-21kworker/0:110:03:030
100843399327326,1cyclictest2484758-21kworker/0:107:52:020
100843399327326,1cyclictest0-21swapper/012:09:030
100843399326325,1cyclictest0-21swapper/011:13:030
100843399326324,1cyclictest2484758-21kworker/0:111:31:030
100843399326324,1cyclictest2484758-21kworker/0:111:27:030
100843399326324,1cyclictest2484758-21kworker/0:107:45:020
100843399325324,1cyclictest2484758-21kworker/0:107:19:020
100843399325324,1cyclictest0-21swapper/008:07:030
100843399324323,1cyclictest0-21swapper/008:34:020
100843399324322,1cyclictest2484758-21kworker/0:112:19:020
100843399324322,1cyclictest2484758-21kworker/0:111:37:020
100843399324322,1cyclictest2484758-21kworker/0:109:51:030
100843399323322,1cyclictest2484758-21kworker/0:109:46:030
100843399323322,1cyclictest2484758-21kworker/0:109:28:030
100843399322321,1cyclictest2484758-21kworker/0:110:43:020
100843399322320,1cyclictest2484758-21kworker/0:108:23:030
100843399321320,1cyclictest2484758-21kworker/0:111:53:020
100843399321320,1cyclictest2484758-21kworker/0:110:57:020
100843399321320,1cyclictest2484758-21kworker/0:109:31:030
100843399321320,1cyclictest0-21swapper/011:47:020
100843399321319,1cyclictest2484758-21kworker/0:110:21:020
100847999317316,1cyclictest1096457-21kworker/6:211:00:026
100847999313312,1cyclictest1059116-21kworker/6:009:05:036
100847999311308,2cyclictest0-21swapper/610:49:036
100843899305303,1cyclictest0-21swapper/110:49:031
100843899304302,1cyclictest1224932-21kworker/1:209:25:021
100846599301298,2cyclictest969848-21kworker/4:010:49:034
100847999300299,1cyclictest0-21swapper/607:37:036
100847999299298,1cyclictest2481600-21kworker/6:107:25:026
100847999299298,1cyclictest0-21swapper/611:46:036
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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