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2026-07-26 - 19:42
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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
Compare latency of primary with shadow system
Characteristics of the 10 highest latencies:
System rack3slot6.osadl.org (updated Sun Jul 26, 2026 12:45:02)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2262429818,34sleep10-21swapper/107:07:381
2262429818,34sleep10-21swapper/107:07:381
2302999953,68cyclictest31854-21ntpq12:05:310
2303499925,81cyclictest0-21swapper/110:20:261
2302999926,57cyclictest0-21swapper/008:10:240
23029999237,25cyclictest0-21swapper/007:30:270
2302999917,56cyclictest0-21swapper/011:20:180
23034998819,53cyclictest0-21swapper/111:15:151
2302999885,54cyclictest0-21swapper/007:50:120
2303499876,66cyclictest7397-21apt-get07:55:171
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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