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2026-04-13 - 16:04
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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 Apr 13, 2026 12:44:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
113678023080,3sleep01136781-21if_wlan007:05:190
121817322810,2sleep01218171-21mailstats11:56:190
120099722510,3chrt1200996-21/usr/sbin/munin10:55:280
121229122480,3chrt1212288-21ntpq11:35:410
122157322450,3chrt1-21systemd12:10:050
119517222410,3chrt1195174-21sort10:35:070
113790199236199,25cyclictest1145646-21time-dir07:36:180
113790199218186,20cyclictest1147848-21/usr/sbin/munin07:45:220
113790199208178,18cyclictest1128817-21kworker/u2:207:15:030
113790199208175,22cyclictest1188552-21kworker/u2:110:20:060
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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