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2025-12-29 - 21:09
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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 Mon Dec 29, 2025 12:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
274340099307,4cyclictest2815542-21irqcore08:20:161
274339799298,20cyclictest0-21swapper/012:25:010
2743400992823,4cyclictest2783911-21basename07:50:001
274339799282,25cyclictest2926929-21idleruntime-cro10:09:590
274340599272,20cyclictest2743616-21apt-get07:10:123
274340099275,2cyclictest2829979-21munin-run08:35:001
274340099273,4cyclictest311ktimers/108:00:111
2743400992723,3cyclictest3013828-21munin-plugin-st11:35:001
2743405992621,2cyclictest3024639-21apt-get11:45:123
274340599261,21cyclictest2840375-21apt-get08:45:113
274340399262,21cyclictest2932259-21apt-get10:15:122
274340399260,23cyclictest2897428-21grep09:40:182
2743400992622,3cyclictest0-21swapper/108:30:001
2743400992622,3cyclictest0-21swapper/108:30:001
274340099261,21cyclictest2947895-21apt-get10:30:141
2743405992520,3cyclictest2815041-21apt-get08:20:123
2743405992519,4cyclictest2917537-21/usr/sbin/munin10:00:163
2743405992519,3cyclictest3014086-21apt-get11:35:133
274340599251,21cyclictest2952923-21apt-get10:35:113
274340599251,21cyclictest2937075-21idleruntime-cro10:19:593
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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