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2026-04-08 - 11:33
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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 Apr 08, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
594332993937,1cyclictest706139-21kworker/3:2+pm21:00:363
594332993823,3cyclictest845455-21/usr/sbin/munin23:15:013
59433299262,20cyclictest630397-21apt-get19:45:123
59432799261,22cyclictest865932-21apt-get23:35:122
59432199262,22cyclictest665875-21apt-get20:20:130
59433299252,3cyclictest794030-21apt-get22:25:123
594327992520,3cyclictest835086-21apt-get23:05:122
59432799251,21cyclictest0-21swapper/222:30:112
59432799250,22cyclictest676492-21ps20:30:162
59432399251,20cyclictest896697-21apt-get00:05:131
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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