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2026-07-30 - 11:03
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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: ondemand
Compare latency of primary with shadow system
Characteristics of the 10 highest latencies:
System rack5slot4.osadl.org (updated Thu Jul 30, 2026 00:44:02)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
24374212981,7sleep30-21swapper/319:06:103
2374021150,0sleep223738-21python300:05:272
246112113104,6sleep20-21swapper/219:09:142
245362112102,7sleep10-21swapper/119:08:161
24334211291,6sleep00-21swapper/019:05:390
61622900,0sleep26161-21ssh21:53:322
326592650,1sleep20-21swapper/223:15:122
220262640,0sleep10-21swapper/122:14:591
78542630,1sleep27855-21irqcore22:50:172
198162610,0sleep319814-21ssh21:30:223
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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