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2024-10-03 - 12:40
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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: ondemand
Compare latency of primary with shadow system
Characteristics of the 10 highest latencies:
System rack5slot4.osadl.org (updated Thu Oct 03, 2024 00:44:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2179214384,6sleep00-21swapper/019:06:170
23862119110,6sleep10-21swapper/119:08:591
23982109100,6sleep30-21swapper/319:09:093
2146210797,7sleep20-21swapper/219:05:512
243812950,0sleep124380-21ssh00:21:361
158032720,0sleep00-21swapper/019:45:170
158032720,0sleep00-21swapper/019:45:160
149382630,0sleep229-21rcuc/220:40:132
306672610,0sleep00-21swapper/019:55:230
278002590,0sleep30-21swapper/321:29:013
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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