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2026-08-11 - 08:42
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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 rackdslot1.osadl.org (updated Tue Aug 11, 2026 00:45:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3081199690,25cyclictest32680-21tr21:30:240
3081199670,22cyclictest18110-21cut19:50:190
3081199651,25cyclictest3333-21runrttasks23:55:320
3081199650,27cyclictest5775-21seq00:02:100
3081199620,31cyclictest10347-21cron20:45:000
134491620,3ptp4l1653-21apt-get22:45:141
3081199611,25cyclictest31417-21seq23:49:470
3081199610,26cyclictest7440-21seq19:29:470
3081199610,25cyclictest26538-21seq21:17:460
3081199602,23cyclictest0-21swapper/000:07:520
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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