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2026-06-03 - 15:15
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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 20 highest latencies:
System rackeslot2.osadl.org (updated Wed Jun 03, 2026 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71552221100,2sleep30-21swapper/320:55:003
9848132690,1sleep0984811-21ssh23:58:160
7663752690,1sleep0766373-21ssh21:33:530
8795992440,1sleep00-21swapper/022:48:040
598557992421,1cyclictest0-21swapper/200:40:012
598550992413,6cyclictest0-21swapper/021:55:010
598550992413,6cyclictest0-21swapper/021:55:010
8419892230,1sleep00-21swapper/022:23:190
598550992319,2cyclictest840818-21grep22:20:010
598553992219,2cyclictest1290-21dbus-daemon00:20:011
598550992219,2cyclictest1290-21dbus-daemon22:15:010
598557992118,1cyclictest0-21swapper/222:05:012
598553992118,2cyclictest646723-21dump-pmu-power20:00:001
598550992118,2cyclictest599490-21systemd19:15:020
598550992118,2cyclictest1036533-21grep00:30:010
598557992017,1cyclictest0-21swapper/220:00:002
598553992017,2cyclictest855632-21cron22:30:001
598553992017,2cyclictest1-21systemd23:35:011
59855099208,3cyclictest3851705-21mta-sts-daemon23:20:070
598550992017,2cyclictest3851702-21mta-sts-daemon23:44:460
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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