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2026-08-24 - 09:35
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 50 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 rack3slot2.osadl.org (updated Mon Aug 24, 2026 00:44:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
339819022850,3sleep03398191-21timerwakeupswit23:46:210
332062199221190,19cyclictest3323428-21kworker/u2:220:20:040
332062199220188,21cyclictest3401590-21munin-node00:00:110
340002422160,2sleep03400025-21cron23:55:010
332062199213184,19cyclictest3400535-21kworker/u2:200:00:040
332062199205176,18cyclictest3355920-21kworker/u2:021:16:190
332062199204175,17cyclictest3323428-21kworker/u2:220:21:180
332062199202174,17cyclictest3402974-21kworker/u2:000:10:040
332062199202174,17cyclictest3382348-21kworker/u2:022:51:150
332062199202171,20cyclictest3310083-21kworker/u2:219:10:050
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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