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2024-04-19 - 21:48
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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
Characteristics of the 20 highest latencies:
System rackcslot6.osadl.org (updated Fri Apr 19, 2024 00:46:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
363507929356,11sleep70-21swapper/719:09:057
363482829252,12sleep40-21swapper/419:05:334
363499129060,28sleep60-21swapper/619:07:526
3635355998919,36cyclictest0-21swapper/321:38:163
215199880,75rtkit-daemon0-21swapper/519:09:285
363486628561,12sleep30-21swapper/319:06:043
3635355998216,35cyclictest0-21swapper/321:48:163
363499628260,11sleep00-21swapper/019:07:540
3635369998116,36cyclictest0-21swapper/520:13:165
3635369998115,36cyclictest0-21swapper/500:18:165
3635355998116,35cyclictest0-21swapper/322:43:163
3635369998015,36cyclictest0-21swapper/500:28:165
3635355998015,36cyclictest0-21swapper/321:03:163
363482527960,17sleep10-21swapper/119:05:301
38747372780,2sleep121-21ksoftirqd/123:30:031
38487642770,0sleep60-21swapper/623:07:576
38084342760,0sleep00-21swapper/022:35:070
363484427660,11sleep20-21swapper/219:05:472
37996362750,0sleep30-21swapper/322:26:453
3635363997414,28cyclictest0-21swapper/423:53:164
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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