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2026-06-17 - 05:43
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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 Wed Jun 17, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3638646994036,2cyclictest3739885-21fwupd20:45:572
3638650992926,2cyclictest0-21swapper/300:20:173
363864699271,24cyclictest3730066-21cron20:40:002
363864699265,2cyclictest0-21swapper/222:00:002
363864699265,2cyclictest0-21swapper/221:59:592
3638646992624,1cyclictest0-21swapper/222:45:132
363864299261,20cyclictest3894858-21apt-get23:20:121
363864099262,21cyclictest3935696-21apt-get00:00:110
363864099262,21cyclictest3674685-21apt-get19:45:120
363864699252,21cyclictest3905367-21apt-get23:30:122
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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