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2026-07-05 - 04:46
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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 Sun Jul 05, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
313310993430,2cyclictest435329-21fwupd21:08:443
31330399320,4cyclictest375591-21irqcore20:10:171
31330399311,2cyclictest0-21swapper/119:50:131
31330399301,2cyclictest0-21swapper/120:40:161
31330399300,2cyclictest364681-21cron20:00:011
31330399292,24cyclictest435729-21apt-get21:10:141
31330399291,25cyclictest450986-21apt-get21:25:111
313303992911,14cyclictest603039-21nvmesmart_nvme023:50:221
313303992911,14cyclictest603039-21nvmesmart_nvme023:50:221
31330399290,27cyclictest0-21swapper/123:10:091
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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