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2025-05-09 - 06:08
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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 May 09, 2025 00:44:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
255402207192,10sleep10-21swapper/119:07:351
256382186169,12sleep20-21swapper/219:08:542
254132186171,11sleep30-21swapper/319:05:583
255392180162,13sleep00-21swapper/019:07:340
47162500,0sleep30-21swapper/321:50:083
294792460,0sleep00-21swapper/023:24:280
131942460,0sleep00-21swapper/000:37:380
315042450,0sleep20-21swapper/221:30:212
185942420,0sleep10-21swapper/123:18:561
247092120,0sleep10-21swapper/121:43:481
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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