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2026-04-17 - 04:31
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
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 20 highest latencies:
System rack0slot3.osadl.org (updated Fri Apr 17, 2026 00:46:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
17234862355314,13sleep70-21swapper/719:05:5713
17234862355314,13sleep70-21swapper/719:05:5613
17238052351312,32sleep50-21swapper/519:09:4111
17238052351312,32sleep50-21swapper/519:09:4111
17237232351331,13sleep80-21swapper/819:08:3814
17237232351331,13sleep80-21swapper/819:08:3814
17237532348329,13sleep140-21swapper/1419:09:006
17237532348329,13sleep140-21swapper/1419:09:006
17236762347340,5sleep100-21swapper/1019:08:092
17236762347340,5sleep100-21swapper/1019:08:092
17238062346327,13sleep60-21swapper/619:09:4212
17238062346327,13sleep60-21swapper/619:09:4212
17236442344325,13sleep40-21swapper/419:07:4710
17236442344325,13sleep40-21swapper/419:07:4710
17237392341321,13sleep30-21swapper/319:08:509
17237392341321,13sleep30-21swapper/319:08:499
17236572340316,13sleep120-21swapper/1219:07:554
17236572340316,13sleep120-21swapper/1219:07:554
17236772339320,13sleep110-21swapper/1119:08:103
17236772339320,13sleep110-21swapper/1119:08:103
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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