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2026-06-27 - 16:57
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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 Sat Jun 27, 2026 12:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
278357993229,2cyclictest486874-21fwupd10:33:262
27836199290,22cyclictest278363-21cat07:09:593
27835799272,22cyclictest594800-21apt-get12:20:112
278355992723,3cyclictest2875-21cron11:50:001
27835799261,3cyclictest543149-21apt-get11:30:142
27835799261,23cyclictest390334-21apt-get09:00:112
278361992519,5cyclictest466781-21cron10:15:003
27836199250,5cyclictest283672-21taskset07:15:133
27835799251,4cyclictest431725-21irqcore09:40:152
27835799250,5cyclictest402714-21sort09:10:192
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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