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2026-06-29 - 03:56
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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 Mon Jun 29, 2026 00:44:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1579621370,4sleep31566599cyclictest23:45:523
926421300,3sleep01566299cyclictest00:10:540
926421300,3sleep01566299cyclictest00:10:540
3054121260,1sleep20-21swapper/223:11:092
2486221230,2sleep32024-21nfsd21:51:593
72172920,2sleep27219-21cpu22:25:132
172882920,3sleep10-21swapper/123:42:381
83472910,2sleep00-21swapper/023:34:390
277412910,1sleep027528-21sshd23:25:210
92762880,2sleep00-21swapper/022:32:150
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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