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2024-10-05 - 14:31
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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 Sat Oct 05, 2024 12:44:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
117772198183,10sleep10-21swapper/107:07:041
118382190172,13sleep00-21swapper/007:07:510
118802176160,12sleep20-21swapper/207:08:262
118612174157,12sleep30-21swapper/307:08:103
240042440,0sleep20-21swapper/209:49:142
220222420,0sleep30-21swapper/311:23:233
213832420,0sleep10-21swapper/110:50:431
203112420,0sleep30-21swapper/311:54:583
234892410,0sleep00-21swapper/012:12:000
147302410,0sleep10-21swapper/112:07:491
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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