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2026-07-04 - 17:23
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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 Sat Jul 04, 2026 12:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
852834993125,4cyclictest970566-21sh09:05:000
85284499274,20cyclictest0-21swapper/311:30:003
852834992721,4cyclictest1031199-21cron10:05:000
85284099261,22cyclictest500-21dbus-daemon11:00:002
85283899260,24cyclictest1160086-21taskset12:10:121
85284499252,21cyclictest0-21swapper/309:25:163
85284099252,21cyclictest1031484-21apt-get10:05:122
852840992521,2cyclictest1077579-21apt-get10:50:132
852840992520,3cyclictest1165161-21apt-get12:15:122
85284099251,5cyclictest995865-21cron09:30:002
85284099251,22cyclictest1149470-21apt-get12:00:122
85284099251,22cyclictest1098298-21apt-get11:10:122
85283899251,20cyclictest1108441-21apt-get11:20:131
85283899251,20cyclictest1108441-21apt-get11:20:121
852834992520,3cyclictest934931-21apt-get08:30:110
852834992520,3cyclictest934931-21apt-get08:30:110
852844992420,2cyclictest959783-21apt-get08:52:433
852844992420,1cyclictest1041644-21apt-get10:15:133
852844992419,2cyclictest1051789-21apt-get10:25:153
85284499241,20cyclictest1124072-21apt-get11:35:123
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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