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2026-06-25 - 15:29
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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 Thu Jun 25, 2026 12:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
254543999262,20cyclictest2729031-21apt-get10:10:122
2545439992619,5cyclictest2728760-21idleruntime-cro10:10:012
254543999261,22cyclictest2591964-21apt-get07:55:122
254543999261,21cyclictest2597018-21apt-get08:00:132
254543799262,22cyclictest2617251-21apt-get08:20:101
254543799261,22cyclictest2627359-21apt-get08:30:101
254544299251,20cyclictest2581454-21apt-get07:45:103
254543999252,19cyclictest2703763-21apt-get09:45:112
254543999251,21cyclictest2866396-21apt-get12:25:122
254543999251,21cyclictest0-21swapper/208:45:122
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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