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2026-07-03 - 07:11
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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 Fri Jul 03, 2026 00:44:36)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1520521370,1sleep20-21swapper/221:32:502
1008621340,2sleep22512-21runrttasks23:25:342
1903821230,2sleep20-21swapper/200:11:322
73782970,3sleep30-21swapper/322:34:143
1251429432,51sleep10-21swapper/119:08:511
1228329231,41sleep30-21swapper/319:06:073
307342880,3sleep230733-21sshd00:24:502
275002870,2sleep10-21swapper/122:21:301
297812830,2sleep20-21swapper/223:57:372
280682830,2sleep20-21swapper/221:48:092
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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