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2026-07-05 - 16:08
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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 Sun Jul 05, 2026 12:46:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
43344499358357,1cyclictest0-21swapper/408:00:014
43344499356355,1cyclictest0-21swapper/409:35:014
43344499356354,1cyclictest509494-21kworker/4:011:23:014
43344499355354,1cyclictest0-21swapper/411:06:024
43344499354353,1cyclictest732791-21kworker/4:007:16:014
43344499354352,1cyclictest0-21swapper/407:35:014
43344499353352,1cyclictest0-21swapper/412:25:014
43344499353351,1cyclictest0-21swapper/412:00:014
43344499352351,1cyclictest0-21swapper/411:13:014
43344499352351,1cyclictest0-21swapper/409:55:024
43344499352351,1cyclictest0-21swapper/409:20:014
43344499352350,1cyclictest0-21swapper/410:05:014
43344499351350,1cyclictest0-21swapper/409:45:024
43344499351350,1cyclictest0-21swapper/409:16:014
43344499351350,1cyclictest0-21swapper/409:16:014
43344499351350,1cyclictest0-21swapper/408:40:014
43344499351349,1cyclictest0-21swapper/412:05:014
43344499350349,1cyclictest0-21swapper/408:35:014
43344499349347,1cyclictest467370-21kworker/4:208:20:024
43344499348346,1cyclictest509494-21kworker/4:009:50:024
43344499348346,1cyclictest467370-21kworker/4:208:18:014
43344499347346,1cyclictest0-21swapper/409:40:024
43344499346345,1cyclictest509494-21kworker/4:010:00:024
43344499346345,1cyclictest0-21swapper/411:51:014
43344499346345,1cyclictest0-21swapper/411:38:024
43344499346345,1cyclictest0-21swapper/407:33:014
43344499346344,1cyclictest0-21swapper/410:48:024
43344499346344,1cyclictest0-21swapper/410:48:024
43344499346344,1cyclictest0-21swapper/409:27:014
43344499345344,1cyclictest0-21swapper/412:17:024
43344499345344,1cyclictest0-21swapper/411:41:024
43344499345344,1cyclictest0-21swapper/411:31:024
43344499345344,1cyclictest0-21swapper/411:19:014
43344499345344,1cyclictest0-21swapper/409:13:014
43344499345344,1cyclictest0-21swapper/408:09:014
43344499345344,1cyclictest0-21swapper/407:52:014
43344499344343,1cyclictest732791-21kworker/4:007:27:024
43344499344343,1cyclictest0-21swapper/411:58:014
43344499344342,1cyclictest509494-21kworker/4:011:48:024
43344499343342,1cyclictest509494-21kworker/4:010:11:024
43344499342341,1cyclictest509494-21kworker/4:010:42:014
43344499341340,1cyclictest467370-21kworker/4:208:46:014
43346799319318,1cyclictest0-21swapper/709:26:027
43256023180,6sleep442-21ksoftirqd/407:05:274
43343899317316,1cyclictest725643-21kworker/3:008:25:023
43343899317315,2cyclictest0-21swapper/310:30:023
43343899316315,1cyclictest0-21swapper/308:57:023
43343899316314,1cyclictest0-21swapper/310:01:023
43343899315314,1cyclictest563636-21kworker/3:211:08:013
43343899315314,1cyclictest479407-21kworker/3:208:51:023
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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