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2026-08-19 - 01:17
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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
Characteristics of the 10 highest latencies:
System rack3slot4.osadl.org (updated Tue Aug 18, 2026 12:46:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1791009229462918,9sleep21765198-21kworker/2:2+events@
dbs_work_handler
07:05:112
17928809913169,51cyclictest67350irq/527-eth0-Tx09:25:430
17928809912776,27cyclictest67350irq/527-eth0-Tx11:50:370
17928809912776,27cyclictest67350irq/527-eth0-Tx11:50:370
207688921260,3sleep32076876-21bingrep12:10:273
1792880991192,89cyclictest1799773-21missed_timers07:25:240
1792880991172,87cyclictest1992091-21/usr/sbin/munin11:05:410
1792880991172,87cyclictest1992091-21/usr/sbin/munin11:05:410
17928809911641,25cyclictest67650irq/530-eth0-Tx12:20:400
17928809911632,3cyclictest0-21swapper/010:20:390
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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