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2025-12-29 - 17:28
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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 rackeslot8.osadl.org (updated Mon Dec 29, 2025 12:43:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
589077993734,1cyclictest0-21swapper/307:40:003
58907799236,6cyclictest893442-21taskset11:05:003
589077992219,1cyclictest0-21swapper/308:35:303
589077992017,1cyclictest0-21swapper/311:05:173
589077992017,1cyclictest0-21swapper/309:50:143
589077991915,1cyclictest0-21swapper/309:20:013
589077991915,1cyclictest0-21swapper/308:10:003
58907799191,14cyclictest822095-21taskset10:05:213
58907799191,13cyclictest842409-21taskset10:25:013
58907799190,14cyclictest1002964-21taskset12:30:013
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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