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2026-03-27 - 11:00
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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 Fri Mar 27, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
109396199321,22cyclictest1109336-21apt-get19:25:103
109396199272,21cyclictest1332940-21apt-get23:30:133
109396199272,21cyclictest1332940-21apt-get23:30:123
109396199261,21cyclictest0-21swapper/300:25:133
109396199260,21cyclictest0-21swapper/300:20:123
109396199251,22cyclictest1342824-21idleruntime-cro23:40:003
109396199251,21cyclictest1358238-21apt-get23:55:143
109396199251,21cyclictest0-21swapper/321:30:123
109396199251,21cyclictest0-21swapper/319:20:103
109396199251,20cyclictest1286991-21apt-get22:45:113
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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