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2026-04-16 - 15:16
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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 rackbslot4.osadl.org (updated Thu Apr 16, 2026 12:43:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
31164996710,51cyclictest10606-21kworker/2:308:18:252
31164996622,37cyclictest0-21swapper/209:18:222
3116499658,51cyclictest0-21swapper/209:24:162
31164996313,44cyclictest25952-21crond11:12:542
31164996310,46cyclictest12498-21tail09:28:292
3115799633,55cyclictest0-21swapper/110:54:141
3116499626,50cyclictest0-21swapper/209:17:262
31164996113,41cyclictest30424-21ssh09:09:552
31164996014,39cyclictest6254-21/usr/sbin/munin11:28:212
275282600,3sleep2281ktimersoftd/208:23:152
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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