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2026-06-11 - 12:54
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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 20 highest latencies:
System rackeslot4.osadl.org (updated Thu Jun 11, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2018381992918,3cyclictest2258588-21apt-get23:05:093
2018376992927,1cyclictest0-21swapper/219:35:012
201838199272,21cyclictest2314696-21apt-get00:00:113
201838199271,22cyclictest2197002-21apt-get22:05:113
201838199271,22cyclictest2135414-21apt-get21:05:123
201838199262,21cyclictest2299490-21apt-get23:45:113
201838199261,22cyclictest0-21swapper/323:50:113
201838199261,21cyclictest2110146-21apt-get20:40:113
201838199261,21cyclictest2084381-21apt-get20:15:123
201837699262,21cyclictest2079328-21apt-get20:10:122
201837399262,21cyclictest2345015-21apt-get00:30:101
201837099260,24cyclictest2324828-21taskset00:10:100
201837699251,21cyclictest2130359-21apt-get21:00:122
201837699251,21cyclictest2130359-21apt-get21:00:122
201837699250,23cyclictest2319774-21seq00:05:102
201837699250,23cyclictest2095029-21irqcore20:25:152
201837099251,3cyclictest2207591-21apt-get22:15:120
201837099250,21cyclictest2299490-21apt-get23:45:110
2018381992420,2cyclictest2104826-21idleruntime-cro20:35:003
2018381992419,3cyclictest2054011-21apt-get19:45:123
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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