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2026-05-31 - 03:52
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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 rack9slot2.osadl.org (updated Sun May 31, 2026 00:43:25)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
63832325202,56sleep30-21swapper/33
63832325202,56sleep30-21swapper/33
53612306260,13sleep10-21swapper/11
53612306260,13sleep10-21swapper/11
66442285206,66sleep20-21swapper/22
66442285206,66sleep20-21swapper/22
68662251215,24sleep00-21swapper/00
68662251215,24sleep00-21swapper/00
627621780,3sleep2713399cyclictest2
124782550,2sleep10-21swapper/11
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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