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2026-05-06 - 19:21
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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
Compare latency of primary with shadow system
Characteristics of the 10 highest latencies:
System rack7slot2.osadl.org (updated Wed May 06, 2026 12:44:07)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
18641179911396,10cyclictest1975653-21munin-node10:40:120
1864117999285,5cyclictest1855263-21kworker/u4:7+events_unbound07:13:150
1864117998881,6cyclictest1883342-21kworker/u4:18+events_unbound08:23:250
1864117998437,43cyclictest0-21swapper/009:40:020
1864118997836,28cyclictest2044469-21kworker/u4:11-rpciod12:20:321
1864118997643,30cyclictest2041808-21latency_hist11:55:011
186411899683,59cyclictest2050912-21apt-get12:05:111
1864118996649,10cyclictest0-21swapper/111:35:201
1864118996634,29cyclictest0-21swapper/109:35:251
1864118996538,24cyclictest1953078-21modprobe10:15:001
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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