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2026-08-08 - 11:57
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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 Aug 08, 2026 00:44:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
932921390,1sleep09325-21bash23:19:190
2536621360,0sleep225351-21sshd23:53:042
181121330,0sleep00-21swapper/021:20:130
2566921260,3sleep32514999cyclictest22:45:553
2341121240,2sleep12514799cyclictest21:22:011
2288121160,3sleep32514999cyclictest23:55:373
33142970,1sleep03309-21sshd21:51:590
109422920,2sleep30-21swapper/321:26:333
6832900,1sleep00-21swapper/022:32:140
305922900,2sleep10-21swapper/100:13:581
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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