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2025-12-08 - 20:55
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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 Mon Dec 08, 2025 12:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3771477994441,2cyclictest4027042-21fwupd10:53:501
3771479993315,8cyclictest3807032-21cron07:45:002
3771479993125,4cyclictest3868770-21sh08:45:002
377147999312,26cyclictest3874136-21apt-get08:50:142
3771479993114,7cyclictest3894691-21diskmemload10:59:502
377147999310,6cyclictest3931233-21/usr/sbin/munin09:35:252
3771473993126,4cyclictest3848503-21grep08:25:000
377147999301,3cyclictest3894691-21diskmemload10:17:532
377147999301,3cyclictest3812549-21munin-run07:50:002
377147999301,2cyclictest0-21swapper/210:05:142
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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