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2025-05-24 - 12:29
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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 rack0slot0.osadl.org (updated Sat May 24, 2025 00:45:25)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1823021380,4sleep03102799cyclictest21:38:460
2925421220,0sleep229255-21sshd22:12:372
3149721150,0sleep20-21swapper/223:55:282
2052421050,0sleep30-21swapper/321:35:353
138472840,1sleep50-21swapper/500:34:185
24632800,0sleep20-21swapper/222:26:162
32292790,0sleep00-21swapper/000:26:210
321312790,0sleep10-21swapper/121:50:001
191822790,1sleep00-21swapper/022:05:060
153902790,1sleep315381-21sshd21:18:523
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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