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2025-12-16 - 15:22
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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 rackeslot4.osadl.org (updated Tue Dec 16, 2025 12:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
384494299311,27cyclictest3876037-21apt-get07:40:122
384494299300,1cyclictest0-21swapper/212:35:112
384494299292,23cyclictest3845150-21apt-get07:10:132
384494299290,2cyclictest3972460-21munin-run09:15:002
3844942992820,6cyclictest4008293-21awk09:50:002
3844942992819,8cyclictest3952251-21idleruntime-cro08:55:002
384494299281,2cyclictest4146166-21apt-get12:05:132
384494299281,2cyclictest4136013-21apt-get11:55:142
384494299281,2cyclictest4136013-21apt-get11:55:132
384494299281,2cyclictest0-21swapper/207:15:142
384494299280,2cyclictest0-21swapper/212:15:132
384494299280,24cyclictest0-21swapper/212:20:112
384494599272,21cyclictest4090378-21apt-get11:10:123
384494599272,21cyclictest3967686-21apt-get09:10:133
384494299271,1cyclictest0-21swapper/207:25:122
384494299271,19cyclictest4166810-21apt-get12:25:122
384494099276,2cyclictest311ktimers/109:40:131
384494599262,21cyclictest4080246-21apt-get11:00:123
384494599261,21cyclictest3906455-21apt-get08:10:123
3844942992620,4cyclictest3855336-21apt-get07:20:132
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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