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2023-12-10 - 17:27
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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 10 highest latencies:
System rack1slot8.osadl.org (updated Sun Dec 10, 2023 12:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3208399514433,50cyclictest0-21swapper/107:51:071
32083994704,449cyclictest0-21swapper/107:10:061
3208299394311,53cyclictest0-21swapper/007:51:080
3208299384324,53cyclictest0-21swapper/007:10:070
682521450,3sleep06824-21ssh11:48:380
320829911696,16cyclictest0-21swapper/010:40:590
2277991010,5rtkit-daemon2276-21rtkit-daemon11:03:261
32082999012,27cyclictest0-21swapper/009:47:590
227799880,4rtkit-daemon2276-21rtkit-daemon09:53:050
227799880,4rtkit-daemon2276-21rtkit-daemon09:40:401
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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