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2026-07-29 - 22:17
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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 Wed Jul 29, 2026 12:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2197825993615,20cyclictest2403047-21irqcore10:30:181
2197823993024,4cyclictest3777322-21systemd-journal07:30:010
2197828992925,2cyclictest0-21swapper/207:20:172
219782599299,1cyclictest0-21swapper/112:25:171
219782599262,2cyclictest2387334-21apt-get10:15:131
2197828992519,4cyclictest2377288-21sort10:05:162
219782599252,21cyclictest2371729-21apt-get10:00:131
2197825992520,2cyclictest2427932-21apt-get10:55:121
2197825992519,3cyclictest2198039-21apt-get07:10:121
219782599251,4cyclictest2437814-21cron11:05:001
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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