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2026-08-31 - 08:44
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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 Aug 31, 2026 00:44:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2179421440,3sleep21363799cyclictest22:24:122
1849421250,4sleep11363699cyclictest21:25:551
658821210,4sleep11363699cyclictest00:39:021
2012721180,2sleep10-21swapper/100:08:241
383821140,3sleep01363599cyclictest21:59:060
1968521070,5sleep31363899cyclictest23:33:443
341021030,0sleep00-21swapper/000:12:440
904221020,2sleep29019-21sshd21:59:362
2220821020,2sleep122205-21sshd22:41:351
3201921000,1sleep03-21ksoftirqd/000:29:430
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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