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2026-09-07 - 01:27
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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 Sun Sep 06, 2026 12:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3299577993024,4cyclictest401ktimers/209:25:102
329957999272,21cyclictest3330269-21apt-get07:40:133
329957999261,22cyclictest3310450-21irqcore07:20:163
329957199261,23cyclictest3560024-21apt-get11:25:110
329957999251,20cyclictest3417072-21apt-get09:05:133
329957999251,20cyclictest0-21swapper/310:35:123
329957999251,20cyclictest0-21swapper/307:55:123
329957999251,20cyclictest0-21swapper/307:55:123
329957799252,20cyclictest3422123-21apt-get09:10:142
329957799250,22cyclictest3350605-21grep08:00:012
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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