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2025-12-15 - 05:47
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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 Mon Dec 15, 2025 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
124424599281,22cyclictest1478357-21apt-get23:00:140
124424599281,22cyclictest1478357-21apt-get23:00:130
124425299271,22cyclictest1488488-21apt-get23:10:122
124425299261,22cyclictest1372311-21irqcore21:15:182
124424599260,24cyclictest1427172-21cron22:10:000
124425599251,20cyclictest1305664-21apt-get20:10:133
124425299251,21cyclictest1468295-21apt-get22:50:142
124425299251,21cyclictest1264754-21apt-get19:30:122
124425099251,4cyclictest261-21systemd-journal21:40:001
124425099251,21cyclictest1244462-21apt-get19:10:091
124425099251,20cyclictest1554760-21apt-get00:15:131
124424599251,21cyclictest1483410-21apt-get23:05:110
124424599251,21cyclictest1432473-21apt-get22:15:140
124424599251,21cyclictest1270235-21apt-get19:35:130
124424599251,20cyclictest1300631-21apt-get20:05:130
124424599250,22cyclictest1376616-21dump-pmu-power21:20:000
1244255992420,2cyclictest1529406-21apt-get23:50:123
124425599241,20cyclictest1321276-21apt-get20:25:133
124425599241,20cyclictest1275264-21apt-get19:40:123
1244252992420,2cyclictest1285375-21apt-get19:50:132
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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