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2026-08-19 - 10:49
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Data to construct the above plot have been generated using the RT test utility cyclictest.

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 rackeslot4.osadl.org (updated Wed Aug 19, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
334804099281,24cyclictest3455356-21taskset20:55:133
3348035992822,4cyclictest3624840-21cron23:40:001
3348040992622,2cyclictest0-21swapper/323:15:163
334804099261,22cyclictest3609964-21apt-get23:25:113
334803799262,21cyclictest3666252-21apt-get00:20:112
334803799262,21cyclictest3573983-21apt-get22:50:132
334803799261,5cyclictest3527879-21irqcore22:05:172
334803799261,23cyclictest3486367-21irqcore21:25:172
334803799260,5cyclictest3526910-21sed22:05:012
334804099251,21cyclictest3604871-21apt-get23:20:103
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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