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2026-04-11 - 13:13
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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 Sat Apr 11, 2026 00:44:39)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2310121220,3sleep22505099cyclictest23:29:012
941421210,2sleep29409-21sshd22:34:592
2448429433,49sleep10-21swapper/119:06:191
296772930,2sleep129676-21bash00:10:561
177302920,3sleep20-21swapper/222:39:162
2455429032,54sleep30-21swapper/319:07:023
311132850,2sleep231105-21sshd21:18:252
85982840,0sleep08595-21sshd22:17:420
52702810,0sleep00-21swapper/023:41:260
220032810,1sleep20-21swapper/200:21:182
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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