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2026-06-14 - 14:20
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 20 highest latencies:
System rackeslot4.osadl.org (updated Sun Jun 14, 2026 00:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2859285994542,2cyclictest3119374-21fwupd23:20:551
2859293993734,2cyclictest3145081-21cron23:50:003
285928599320,23cyclictest2859501-21seq19:10:111
285928899301,27cyclictest0-21swapper/200:10:152
285928899300,4cyclictest2915440-21basename20:05:002
285928899291,25cyclictest2859498-21apt-get19:10:122
285928899290,20cyclictest0-21swapper/219:30:122
2859285992920,8cyclictest1-21systemd21:54:591
2859285992918,10cyclictest1-21systemd22:15:001
2859288992819,7cyclictest0-21swapper/221:30:102
285928899281,20cyclictest3155502-21apt-get00:00:122
285928899280,2cyclictest2889935-21taskset19:40:122
285928599281,20cyclictest3099742-21apt-get23:05:101
285928599280,1cyclictest0-21swapper/121:15:231
285928599280,1cyclictest0-21swapper/119:40:111
2859288992715,10cyclictest2976995-21irqcore21:05:182
285928899271,19cyclictest0-21swapper/219:50:132
285928899270,20cyclictest2981977-21apt-get21:10:132
285928899270,1cyclictest3048414-21systemd-run22:15:002
285928899270,1cyclictest0-21swapper/222:20:112
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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