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2026-04-22 - 20:33
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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 Wed Apr 22, 2026 12:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
91312940,0sleep3651599cyclictest10:40:523
117652930,0sleep311728-21sshd11:44:433
258912920,0sleep225847-21sshd10:47:502
285152860,0sleep228519-21grep12:27:362
210672710,1sleep01072-21nfsd11:01:140
167662600,0sleep30-21swapper/311:28:333
215442580,2sleep0649599cyclictest09:52:210
107302580,0sleep210661-21sshd11:19:472
261512570,0sleep10-21swapper/112:32:551
263272560,0sleep226322-21bash09:29:522
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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