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2024-05-27 - 08:30
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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 rack5slot3.osadl.org (updated Mon May 27, 2024 00:50:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
5549210458,40sleep20-21swapper/219:05:272
516629186,2sleep60-21swapper/619:05:236
633928960,25sleep00-21swapper/019:08:130
68962860,0sleep40-21swapper/419:10:014
646028349,30sleep70-21swapper/719:09:577
631327844,30sleep10-21swapper/119:07:501
617227642,30sleep30-21swapper/319:05:513
615527645,26sleep50-21swapper/519:05:385
615427541,29sleep40-21swapper/419:05:374
82672610,0sleep50-21swapper/523:55:135
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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