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2026-06-02 - 22:14
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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 rack3slot0.osadl.org (updated Tue Jun 02, 2026 12:43:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
229322960,1sleep7822899cyclictest12:12:237
122562890,0sleep30-21swapper/310:40:163
171772840,2sleep1818399cyclictest09:37:111
97372750,0sleep70-21swapper/710:14:017
254132570,0sleep50-21swapper/510:20:325
5582540,2sleep0817599cyclictest09:17:390
44492530,1sleep14432-21bash12:26:101
202392510,0sleep00-21swapper/009:20:360
770925025,8sleep40-21swapper/407:05:084
19652500,0sleep10-21swapper/109:56:491
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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