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2026-03-20 - 03:28
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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 Fri Mar 20, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
31570099351,22cyclictest366729-21cron20:00:003
31570099311,27cyclictest535478-21apt-get22:45:123
31570099311,22cyclictest647909-21apt-get00:35:123
31569699310,20cyclictest519609-21cron22:30:002
31570099301,2cyclictest418106-21apt-get20:50:123
31570099301,21cyclictest261-21systemd-journal22:30:003
31569699300,3cyclictest366727-21cron20:00:002
31570099292,2cyclictest387705-21apt-get20:20:113
31570099290,27cyclictest1-21systemd19:25:003
31569699291,26cyclictest500-21dbus-daemon19:25:002
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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