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2025-12-21 - 23:12
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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 Sun Dec 21, 2025 12:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
279345199272,22cyclictest3048196-21apt-get11:20:133
279345199261,22cyclictest2966243-21true10:00:003
279344599261,21cyclictest3002257-21apt-get10:35:111
2793443992622,3cyclictest2859035-21ls08:15:000
2793451992519,4cyclictest2894423-21apt08:50:003
2793451992517,7cyclictest3078239-21cron11:49:593
279345199251,22cyclictest3053242-21taskset11:25:123
279345199251,20cyclictest0-21swapper/307:30:143
279344599251,21cyclictest2895119-21apt-get08:50:121
279344599251,20cyclictest2930544-21apt-get09:25:111
2793443992519,4cyclictest3001983-21sh10:34:590
279344399251,21cyclictest2900173-21apt-get08:55:120
2793451992420,2cyclictest2799213-21sed07:15:143
2793451992419,2cyclictest2829481-21ps07:45:183
279345199241,2cyclictest2822780-21ntpq07:35:213
279345199241,21cyclictest2843845-21cron08:00:003
279345199241,20cyclictest3058270-21apt-get11:30:143
279345199241,20cyclictest0-21swapper/309:30:133
279345199241,20cyclictest0-21swapper/308:15:133
279345199240,4cyclictest2844613-21sed08:00:153
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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