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2026-01-11 - 10:16
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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 Sun Jan 11, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2056228993127,2cyclictest0-21swapper/221:55:012
205622399297,3cyclictest2152523-21turbostat.cron20:45:001
205622899261,22cyclictest2086860-21apt-get19:40:122
205622399262,21cyclictest2137579-21apt-get20:30:111
2056228992520,3cyclictest2189062-21apt-get21:20:122
2056228992520,3cyclictest2122413-21apt-get20:15:132
205622899251,3cyclictest2061534-21apt-get19:15:102
205622399251,21cyclictest2224618-21apt-get21:55:111
205622099252,21cyclictest2076704-21apt-get19:30:120
205622099250,5cyclictest2311250-21taskset23:20:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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