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2024-07-22 - 03:20
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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 rackaslot8.osadl.org (updated Sun Jul 21, 2024 12:44:22)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
194102327295,19sleep20-21swapper/207:09:452
190832285258,17sleep10-21swapper/107:05:341
193982273242,20sleep00-21swapper/007:09:350
190802262227,22sleep30-21swapper/307:05:313
239262610,0sleep30-21swapper/312:30:553
127562610,0sleep00-21swapper/011:36:140
298952600,0sleep20-21swapper/209:52:532
98872580,0sleep30-21swapper/312:20:503
57772580,0sleep30-21swapper/309:00:163
51702550,1sleep10-21swapper/110:45:541
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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