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2026-08-25 - 02:51
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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 Tue Aug 25, 2026 00:44:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
277621310,0sleep00-21swapper/023:52:120
966821210,3sleep03252499cyclictest23:35:150
32057211033,40sleep30-21swapper/319:07:203
157682960,2sleep20-21swapper/223:38:432
3208529233,47sleep10-21swapper/119:07:421
261232920,2sleep226122-21id21:54:062
261232920,2sleep226122-21id21:54:062
95772900,2sleep30-21swapper/321:55:243
95772900,2sleep30-21swapper/321:55:243
40642900,2sleep14066-21bash21:14:021
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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