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2025-11-15 - 16:57
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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 rack0slot4.osadl.org (updated Sat Nov 15, 2025 00:46:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
4265322398392,4sleep20-21swapper/219:09:098
4265862368360,5sleep120-21swapper/1219:09:504
4265282362318,14sleep150-21swapper/1519:09:067
4263202361316,36sleep80-21swapper/819:06:3314
4263362360352,5sleep50-21swapper/519:06:4711
4263192354310,35sleep70-21swapper/719:06:3313
4262472353309,14sleep130-21swapper/1319:05:335
4263842349308,15sleep10-21swapper/119:07:151
4265682341317,16sleep140-21swapper/1419:09:376
4264482341317,15sleep110-21swapper/1119:07:563
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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