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2025-11-20 - 06:57
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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 rack2slot0.osadl.org (updated Thu Nov 20, 2025 00:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
224362990,0sleep10-21swapper/100:26:461
142252970,2sleep32176499cyclictest21:38:103
299572710,0sleep30-21swapper/323:02:053
271292690,0sleep3391rcuc/321:49:233
31032670,1sleep03102-21grep00:04:260
182152650,0sleep10-21swapper/122:34:431
46232640,1sleep04616-21bash23:48:280
24782640,0sleep00-21swapper/023:09:110
133502610,0sleep10-21swapper/121:47:571
268682590,0sleep00-21swapper/023:14:590
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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