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2026-03-20 - 17:30
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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 Fri Mar 20, 2026 13:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2678427120,10sleep026290-21/usr/sbin/munin07:05:310
274749915162,34cyclictest19433-21apt-get10:57:100
274749914878,30cyclictest1408-21nginx08:49:370
274749914257,32cyclictest1657-21aten_r7power_en11:50:200
274749914171,36cyclictest1408-21nginx12:25:190
274749914069,19cyclictest20324-21apt-get08:51:090
274749913967,36cyclictest18259-21sshd08:40:310
274749913966,51cyclictest754-21systemd-journal09:50:380
274749913872,50cyclictest22451-21/usr/sbin/munin11:05:500
274749913762,56cyclictest706-21systemctl09:40:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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