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2024-04-20 - 17:45
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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 rack4slot1.osadl.org (updated Sat Apr 20, 2024 08:05:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3238821380,3sleep30-21swapper/307:47:543
3238821380,3sleep30-21swapper/307:47:543
2461021050,1sleep012-21ksoftirqd/007:27:560
2461021050,1sleep012-21ksoftirqd/007:27:560
284332950,2sleep00-21swapper/007:37:540
284332950,2sleep00-21swapper/007:37:540
1838899503,2cyclictest0-21swapper/007:17:390
1838899503,2cyclictest0-21swapper/007:17:390
203482480,3chrt0-21swapper/207:17:492
203482480,3chrt0-21swapper/207:17:492
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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