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2026-04-06 - 20:23
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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 Mon Apr 06, 2026 12:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
220540899272,21cyclictest2424897-21apt-get10:45:152
220540599272,4cyclictest2480450-21apt-get11:40:111
220540599261,22cyclictest261-21systemd-journal10:55:001
220540599261,22cyclictest2317808-21apt-get09:00:101
220540599261,22cyclictest2281967-21sed08:25:011
220540599261,21cyclictest2343575-21apt-get09:25:131
220540599261,21cyclictest2220871-21apt-get07:25:111
220541299251,21cyclictest2409755-21apt-get10:30:113
220541299250,23cyclictest2230700-21cron07:35:003
220541299250,21cyclictest0-21swapper/312:05:023
220540899251,21cyclictest2434975-21apt-get10:55:132
220540899251,20cyclictest2419862-21apt-get10:40:122
2205405992520,3cyclictest2500687-21apt-get12:00:121
2205405992520,3cyclictest2358733-21apt-get09:40:091
220540599251,21cyclictest2368866-21apt-get09:50:121
220540599251,21cyclictest2368866-21apt-get09:50:121
220540599251,20cyclictest0-21swapper/108:50:111
220540299252,21cyclictest2348628-21apt-get09:30:110
220541299242,2cyclictest2531483-21apt-get12:30:123
2205412992420,2cyclictest2490557-21apt-get11:50:113
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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