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2026-09-03 - 22:33
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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 Thu Sep 03, 2026 12:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2510571992724,2cyclictest2602518-21systemd-run08:40:002
2510573992619,5cyclictest2803150-21irqcore11:55:133
251057399261,22cyclictest2700641-21apt-get10:15:113
251057399261,22cyclictest2587509-21apt-get08:25:123
251057399261,21cyclictest2782365-21apt-get11:35:113
251057399261,21cyclictest2546868-21apt-get07:45:123
251057399261,20cyclictest2607860-21apt-get08:45:123
251057399260,23cyclictest0-21swapper/308:00:133
251057399260,22cyclictest2654088-21apt-get09:30:163
251056399260,25cyclictest0-21swapper/008:10:110
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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