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2026-05-17 - 07:44
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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 Sun May 17, 2026 00:44:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2022821290,1sleep00-21swapper/022:59:260
589521230,1sleep25896-21sshd21:47:222
2133121200,4sleep31584299cyclictest23:54:033
1561021090,3sleep11583399cyclictest23:39:301
325972920,4sleep10-21swapper/122:10:331
306462890,1sleep030644-21bash22:24:390
1541328926,59sleep30-21swapper/319:07:463
99792870,3sleep30-21swapper/322:36:283
261682870,3sleep31584299cyclictest00:09:093
131652850,0sleep00-21swapper/023:49:430
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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