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2025-10-30 - 06:23
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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 rackaslot8.osadl.org (updated Thu Oct 30, 2025 00:44:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
145272310276,21sleep20-21swapper/219:07:002
145352295227,21sleep00-21swapper/019:07:070
145842285221,21sleep10-21swapper/119:07:441
146362263203,19sleep30-21swapper/319:08:263
51982720,0sleep15195-21cron21:10:001
283022610,0sleep20-21swapper/200:05:162
27052560,0sleep10-21swapper/122:37:461
118162560,0sleep10-21swapper/122:21:131
214352250,0sleep30-21swapper/323:14:203
247212200,3sleep334-21ksoftirqd/321:23:073
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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