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2024-04-19 - 06:59
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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 rack5slot2.osadl.org (updated Fri Apr 19, 2024 00:44:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
134962201185,11sleep10-21swapper/119:09:001
133662190174,11sleep00-21swapper/019:07:190
133742181165,12sleep30-21swapper/319:07:253
13292210171,13sleep20-21swapper/219:06:242
290292450,0sleep20-21swapper/222:39:382
24682450,0sleep10-21swapper/100:21:291
118702450,0sleep30-21swapper/300:07:423
72202440,0sleep27221-21rt-features22:45:192
22872420,0sleep00-21swapper/023:41:500
172192350,0sleep00-21swapper/021:52:350
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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