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2026-06-30 - 05:36
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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 Tue Jun 30, 2026 00:44:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
41121370,4sleep2990799cyclictest23:30:102
1558621370,1sleep2990799cyclictest21:39:012
890421290,2sleep38902-21latency_hist23:20:013
251521290,0sleep02508-21cp21:34:140
1346121280,1sleep113462-21sshd23:06:011
891621270,4sleep2990799cyclictest00:23:482
2704721210,1sleep327048-21sshd23:10:553
2558321140,0sleep00-21swapper/022:49:040
9554210723,47sleep30-21swapper/319:08:493
94932960,2sleep19490-21bash21:52:221
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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