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2025-01-22 - 12:15
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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
Characteristics of the 10 highest latencies:
System rack5slot0.osadl.org (updated Wed Jan 22, 2025 00:44:53)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
855121280,2sleep11723499cyclictest00:20:131
2578221220,2sleep225775-21sshd23:53:372
1227421220,0sleep012276-21sshd22:17:300
557321030,1sleep21723599cyclictest23:29:492
188292940,0sleep00-21swapper/022:46:580
1688929033,53sleep10-21swapper/119:08:541
58872880,1sleep05868-21sshd23:14:210
299632870,2sleep20-21swapper/200:00:112
133762860,3sleep213349-21sshd21:38:522
99982850,1sleep19997-21sshd22:07:361
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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