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2026-04-05 - 04:00
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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 Sun Apr 05, 2026 00:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3816808993412,11cyclictest4097590-21awk23:45:002
3816813993125,4cyclictest0-21swapper/322:05:003
3816803993126,3cyclictest0-21swapper/021:30:000
3816803993126,3cyclictest0-21swapper/021:30:000
381680899268,9cyclictest3832038-21munin-run19:25:002
381680899261,22cyclictest4133678-21apt-get00:20:142
381680899261,21cyclictest4082611-21apt-get23:30:122
381680599261,23cyclictest3944448-21sed21:15:171
3816803992622,3cyclictest61650irq/133-enp0s29f1:rx-019:15:120
3816813992519,4cyclictest4046439-21cron22:55:003
381681399251,21cyclictest4087712-21apt-get23:35:113
3816808992523,1cyclictest0-21swapper/222:45:012
381680899251,3cyclictest3837388-21apt-get19:30:122
381680899251,21cyclictest4123540-21apt-get00:10:122
381680899251,21cyclictest0-21swapper/220:25:132
381680599252,2cyclictest3964623-21apt-get21:35:121
3816805992520,3cyclictest3817019-21apt-get19:10:111
381680599251,22cyclictest3908291-21basename20:40:001
381680599250,3cyclictest500-21dbus-daemon20:35:001
381680399252,21cyclictest4118466-21apt-get00:05:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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