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2026-05-02 - 14:44
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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 rack7slot8.osadl.org (updated Sat May 02, 2026 02:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
31662220925,53sleep00-21swapper/019:06:320
32140991707,106cyclictest7018-21apt-get23:57:090
321409917018,112cyclictest22736-21wget20:40:140
321409916747,95cyclictest16172-21sshd00:27:380
32140991658,137cyclictest10154-21/usr/sbin/munin19:50:110
32140991656,104cyclictest4588-21chrt19:26:020
321409916327,96cyclictest1408-21nginx20:58:170
321409916238,108cyclictest10250irq/56-4a10000022:23:330
321409916226,115cyclictest1408-21nginx23:12:530
32140991617,95cyclictest25343-21apt-get23:02:100
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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