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2026-06-02 - 15:02
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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 20 highest latencies:
System rackeslot4.osadl.org (updated Tue Jun 02, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
372871799282,22cyclictest4029565-21apt-get00:05:113
372871799274,20cyclictest0-21swapper/319:50:173
3728715992723,2cyclictest4044425-21idleruntime-cro00:20:012
372871099262,3cyclictest4054811-21apt-get00:30:121
372871099262,21cyclictest3764824-21apt-get19:45:141
3728710992615,3cyclictest191rcu_preempt21:05:141
3728717992521,2cyclictest3876536-21apt-get21:35:123
372871599252,20cyclictest3785040-21apt-get20:05:112
3728710992519,5cyclictest4049479-21sh00:25:011
372871099251,3cyclictest3942054-21munin-run22:40:001
372871099251,21cyclictest0-21swapper/122:45:131
372871099250,5cyclictest3967700-21ls23:05:001
372870799251,22cyclictest3744138-21apt-get19:25:110
372870799250,23cyclictest4060387-21ps00:35:160
372871799240,20cyclictest0-21swapper/323:10:133
372871599242,20cyclictest4019429-21apt-get23:55:122
372871599241,21cyclictest3984029-21apt-get23:20:112
372871599240,22cyclictest3754443-21idleruntime-cro19:35:002
372871099242,2cyclictest3810316-21apt-get20:30:131
3728710992420,3cyclictest0-21swapper/100:10:231
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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