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2024-06-18 - 04:28
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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 Tue Jun 18, 2024 00:44:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
12762205189,11sleep10-21swapper/119:07:481
12382190173,12sleep00-21swapper/019:07:190
12612182165,12sleep30-21swapper/319:07:373
13742177159,13sleep20-21swapper/219:09:052
184962470,0sleep00-21swapper/019:55:100
86822380,0sleep10-21swapper/123:11:281
133982110,1sleep2163199cyclictest23:14:262
16219973,4cyclictest17342-21munin-run00:05:010
2255260,0sleep10-21swapper/123:08:441
16319960,5cyclictest0-21swapper/223:30:082
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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