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2025-12-23 - 06:33
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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 Tue Dec 23, 2025 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
123162499291,21cyclictest1322915-21apt-get20:40:121
123162499281,22cyclictest1450989-21apt-get22:45:161
123162499281,22cyclictest1409660-21apt-get22:05:121
123163199272,20cyclictest1466969-21apt-get23:00:133
123163199272,20cyclictest1384439-21apt-get21:40:103
123162999272,21cyclictest1404584-21apt-get22:00:142
123162499272,23cyclictest1554218-21apt-get00:25:131
123163199261,21cyclictest0-21swapper/300:05:123
123162999260,22cyclictest0-21swapper/222:05:132
123162999260,22cyclictest0-21swapper/200:05:132
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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