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2025-10-21 - 11:26
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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 20 highest latencies:
System rack9slot4.osadl.org (updated Tue Oct 21, 2025 00:43:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3375112276sleep0-21swapper/115:19:401
3632991153cyclictest20431-21latency_hist17:40:050
3632991144cyclictest30104-21latency_hist16:45:040
3632991143cyclictest15383-21kworker/u4:019:43:530
3632991123cyclictest7608-21sh19:09:550
3632991123cyclictest28188-21latency_hist17:55:060
3632991123cyclictest16859-21sh19:25:210
3632991113cyclictest4889-21latency_hist20:00:100
3632991104cyclictest3889-21latency_hist17:05:040
3632991103cyclictest74-21mmcqd/019:00:070
3632991098cyclictest0-21swapper/015:30:020
3632991095cyclictest25403-21latency_hist18:45:070
3632991094cyclictest25440-21latency_hist19:40:090
3483110974sleep0-21swapper/015:19:500
3632991085cyclictest28313-21latency_hist18:50:070
3632991085cyclictest28313-21latency_hist18:50:070
3632991085cyclictest22375-21sshd19:34:510
3632991078cyclictest0-21swapper/019:25:080
3632991073cyclictest326-21runrttasks15:44:050
3632991073cyclictest11392-21if_can018:20:420
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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