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2026-07-30 - 05:00
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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 Thu Jul 30, 2026 00:44:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1227421470,0sleep212275-21sshd22:19:482
1198621350,4sleep31690699cyclictest23:54:473
765421030,1sleep00-21swapper/021:53:290
16432210333,40sleep10-21swapper/119:07:221
253332960,3sleep30-21swapper/321:14:563
8392900,3sleep20-21swapper/222:10:182
8392900,3sleep20-21swapper/222:10:172
17782900,2sleep11780-21bash22:15:591
118232900,2sleep311822-21sshd21:38:583
281912890,2sleep128190-21id21:20:431
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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