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2025-11-27 - 05:08
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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 rackeslot4.osadl.org (updated Thu Nov 27, 2025 00:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2490264993912,24cyclictest2495726-21sshd19:15:123
249025499311,21cyclictest2736470-21apt-get22:55:130
2490262992825,2cyclictest2767657-21dump-pmu-power23:20:002
2490254992824,3cyclictest2749556-21/usr/sbin/munin23:05:150
249025799272,21cyclictest2806134-21apt-get23:50:151
2490257992720,5cyclictest3471731-21systemd-journal21:30:001
249025799271,24cyclictest2500344-21cron19:20:001
249025799271,22cyclictest2561976-21apt-get20:20:101
249025799271,20cyclictest191rcu_preempt23:37:201
2490257992623,2cyclictest0-21swapper/122:05:121
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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