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2026-03-22 - 04:19
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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 Sun Mar 22, 2026 00:44:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1522921210,0sleep115228-21id21:19:361
375921170,4sleep3183099cyclictest21:14:403
1849321140,4sleep3183099cyclictest00:14:213
2536021130,1sleep125352-21sshd22:38:571
352121110,1sleep30-21swapper/323:01:043
822721100,0sleep28223-21bash22:11:472
2485421080,1sleep10-21swapper/122:42:191
2891321020,1sleep028908-21sshd21:27:520
2128921000,6sleep021288-21seq22:23:460
137629634,40sleep30-21swapper/319:07:533
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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