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2026-08-31 - 18:45
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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 Mon Aug 31, 2026 12:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1687427992925,2cyclictest0-21swapper/107:25:171
168743499270,7cyclictest1764056-21taskset08:25:123
168743499270,25cyclictest1810689-21irqcore09:10:163
168742799272,22cyclictest696-21lldpd09:30:101
1687434992619,1cyclictest0-21swapper/307:55:223
168743499260,5cyclictest1937224-21cron11:15:003
168743099262,21cyclictest1753885-21apt-get08:15:132
168743099260,19cyclictest191rcu_preempt10:30:002
1687434992523,1cyclictest0-21swapper/310:30:003
1687434992520,3cyclictest1901735-21cron10:40:003
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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