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2024-06-17 - 22:54
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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 rack8slot4.osadl.org (updated Mon Jun 17, 2024 12:44:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
9683332234178,44sleep20-21swapper/207:08:472
9683332234178,44sleep20-21swapper/207:08:472
9683762221188,21sleep60-21swapper/607:09:236
9683762221188,21sleep60-21swapper/607:09:236
9681272217187,19sleep40-21swapper/407:06:244
9681272217187,19sleep40-21swapper/407:06:244
9683182216186,19sleep50-21swapper/507:08:345
9683182216186,19sleep50-21swapper/507:08:345
9683052214163,40sleep10-21swapper/107:08:211
9683052214163,40sleep10-21swapper/107:08:211
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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