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2026-01-05 - 13:14
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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 Mon Jan 05, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
33908992721,4cyclictest38934-21cron19:15:003
33901992724,2cyclictest364843-21fwupd00:32:351
33901992723,3cyclictest288674-21sh23:19:591
3390899261,22cyclictest121158-21apt-get20:35:123
3390399262,21cyclictest268707-21apt-get23:00:122
3390399261,23cyclictest80029-21idleruntime-cro19:55:002
3390399261,22cyclictest324810-21sed23:55:172
3390899251,22cyclictest261-21systemd-journal19:30:003
3390899251,21cyclictest339558-21apt-get00:10:123
3390899251,21cyclictest232864-21apt-get22:25:123
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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