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2026-06-15 - 15:49
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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 20 highest latencies:
System rackeslot4.osadl.org (updated Mon Jun 15, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
172929999301,26cyclictest1907583-21seq22:05:132
172929999301,26cyclictest1811026-21apt-get20:30:112
172929999291,3cyclictest2040480-21apt-get00:15:132
1729299992720,5cyclictest2015122-21apt-get23:50:122
172929999271,22cyclictest1851868-21apt-get21:10:122
172929999262,21cyclictest1902500-21apt-get22:00:112
1729299992618,6cyclictest1866780-21cron21:25:002
1729299992614,10cyclictest1994645-21cron23:30:002
1729299992610,6cyclictest3777322-21systemd-journal22:54:592
172930299251,20cyclictest2045584-21apt-get00:20:133
172930299250,22cyclictest1938830-21ps22:35:153
1729299992520,3cyclictest1805973-21apt-get20:25:122
172929999251,3cyclictest1917709-21apt-get22:15:122
172929999251,22cyclictest3777322-21systemd-journal21:35:002
172929999251,21cyclictest0-21swapper/223:00:112
172929999250,22cyclictest1754859-21taskset19:35:132
172929999250,10cyclictest1774905-21idleruntime-cro19:55:012
172929699252,21cyclictest1780301-21apt-get20:00:121
172929699250,23cyclictest1734304-21cron19:15:001
172930299241,20cyclictest0-21swapper/321:35:133
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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