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2026-04-29 - 00:30
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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 10 highest latencies:
System rackeslot4.osadl.org (updated Tue Apr 28, 2026 12:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3807138995551,2cyclictest3899168-21fwupd08:35:561
3807138993618,12cyclictest4124949-21ps12:20:161
380713899341,3cyclictest4098461-21cron11:55:001
380713899310,3cyclictest3904582-21cron08:45:001
380713899301,28cyclictest1-21systemd08:49:591
380713899300,21cyclictest4104263-21ps12:00:171
380713899291,21cyclictest0-21swapper/112:05:121
380713899290,3cyclictest3981915-21ps10:00:161
380713899290,2cyclictest0-21swapper/110:30:121
380713899271,22cyclictest3945881-21apt-get09:25:101
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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