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2024-06-20 - 04:07
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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
Characteristics of the 10 highest latencies:
System rack3slot0.osadl.org (updated Thu Jun 20, 2024 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
89342860,1sleep48914-21sshd23:12:254
15862740,0sleep4471rcuc/422:26:364
239022560,0sleep20-21swapper/200:13:172
72482550,0sleep70-21swapper/721:12:067
212692540,1sleep621267-21sshd21:10:136
73112510,2sleep42475299cyclictest23:48:054
106392500,0sleep30-21swapper/300:26:163
95812490,0sleep30-21swapper/300:18:393
220362490,1sleep322039-21grepconf.sh23:10:393
220362490,1sleep322039-21grepconf.sh23:10:393
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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