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2026-05-03 - 13:01
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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 792 highest latencies:
System rack4slot1.osadl.org (updated Sat May 02, 2026 19:21:25)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
800228150,4sleep10-21swapper/119:12:471
800228150,4sleep10-21swapper/119:12:471
799325050,2sleep012-21ksoftirqd/019:12:410
799325050,2sleep012-21ksoftirqd/019:12:410
805099351,11cyclictest8955-21fschecks_time19:17:270
805099351,11cyclictest8955-21fschecks_time19:17:270
76062296,14sleep30-21swapper/319:12:373
76062296,14sleep30-21swapper/319:12:373
805299267,3cyclictest27-21ksoftirqd/219:17:382
805299267,3cyclictest27-21ksoftirqd/219:17:382
805199226,3cyclictest131rcu_preempt19:17:371
805199226,3cyclictest131rcu_preempt19:17:371
78392215,7sleep20-21swapper/219:12:402
78392215,7sleep20-21swapper/219:12:402
805399142,9cyclictest0-21swapper/319:17:383
805399142,9cyclictest0-21swapper/319:17:383
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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