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2025-11-08 - 06:43
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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
Compare latency of primary with shadow system
Characteristics of the 20 highest latencies:
System rackeslot8.osadl.org (updated Sat Nov 08, 2025 00:43:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
174698240,10rtkit-daemon275-21plymouthd19:12:052
4078364991714,1cyclictest0-21swapper/321:10:003
4078364991614,1cyclictest0-21swapper/300:00:223
4078364991613,1cyclictest0-21swapper/321:30:263
4078364991613,1cyclictest0-21swapper/321:00:133
4078364991613,1cyclictest0-21swapper/321:00:003
4078364991613,1cyclictest0-21swapper/320:15:173
407836499159,4cyclictest221187-21chrt23:08:563
4078364991513,1cyclictest0-21swapper/322:37:263
4078364991512,1cyclictest0-21swapper/323:59:323
4078364991512,1cyclictest0-21swapper/323:40:233
4078364991512,1cyclictest0-21swapper/323:30:373
4078364991512,1cyclictest0-21swapper/323:19:023
4078364991512,1cyclictest0-21swapper/323:12:393
4078364991512,1cyclictest0-21swapper/322:56:203
4078364991512,1cyclictest0-21swapper/322:52:113
4078364991512,1cyclictest0-21swapper/322:17:153
4078364991512,1cyclictest0-21swapper/322:17:143
4078364991512,1cyclictest0-21swapper/322:00:513
4078364991512,1cyclictest0-21swapper/321:55:263
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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