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2026-04-22 - 08:39
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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 Wed Apr 22, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2356582992924,4cyclictest514-21in:imuxsock22:10:002
235658299271,23cyclictest2402517-21apt-get19:55:122
2356584992623,2cyclictest2561503-21idleruntime-cro22:30:003
235658499262,21cyclictest2581965-21apt-get22:50:103
235658499261,3cyclictest0-21swapper/323:10:123
235658499261,22cyclictest2536207-21idleruntime-cro22:05:003
235658299261,23cyclictest2428357-21apt-get20:20:122
235658299261,22cyclictest0-21swapper/220:55:132
235658299261,22cyclictest0-21swapper/219:15:132
235658299261,21cyclictest2648107-21apt-get23:55:102
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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