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2026-07-21 - 10:57
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Data to construct the above plot have been generated using the RT test utility cyclictest.

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 rack4slot1.osadl.org (updated Tue Jul 21, 2026 00:45:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
693621390,2sleep10-21swapper/120:16:131
693621390,2sleep10-21swapper/120:16:131
3149621390,3sleep20-21swapper/200:28:072
3149621390,3sleep20-21swapper/200:28:072
2433021230,9sleep121-21ksoftirqd/121:46:121
2433021230,9sleep121-21ksoftirqd/121:46:121
3167521220,3sleep20-21swapper/223:50:052
3167521220,3sleep20-21swapper/223:50:052
3167521220,3sleep20-21swapper/223:50:052
252821200,4sleep30-21swapper/322:36:223
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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