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2026-06-01 - 18:14
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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, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 10 highest latencies:
System rack5slot7.osadl.org (updated Mon Jun 01, 2026 12:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
10912224272179,90sleep00-21swapper07:01:550
113369916516,60cyclictest27746-21memory11:56:490
11336991619,66cyclictest10997-21ssh11:07:300
113369916117,57cyclictest15565-21fw_conntrack11:21:300
113369916113,39cyclictest2226-21/usr/sbin/munin10:42:080
113369915910,26cyclictest7253-21head09:22:180
113369915611,61cyclictest31133-21ls12:06:420
113369910926,65cyclictest0-21swapper11:27:330
113369910519,64cyclictest18366-21apt-get09:55:500
113369910126,66cyclictest0-21swapper11:13:350
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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