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2026-03-31 - 18:00
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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 Tue Mar 31, 2026 12:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
410342992823,4cyclictest420418-21sh07:20:002
410342992723,3cyclictest509-21systemd-logind11:55:002
41034299262,3cyclictest623754-21awk10:40:002
41034299261,23cyclictest516970-21cron08:55:002
410346992518,5cyclictest502530-21ps08:40:173
41034699251,3cyclictest599187-21irqcore10:15:183
41034099251,22cyclictest506000-21ntpq08:40:221
41033799252,21cyclictest629043-21apt-get10:45:120
410337992521,2cyclictest726027-21apt-get12:20:120
410337992517,6cyclictest557994-21sleep09:35:010
410346992419,3cyclictest261-21systemd-journal08:40:003
41034699241,21cyclictest0-21swapper/310:05:123
41034699241,21cyclictest0-21swapper/309:55:123
41034699240,22cyclictest659824-21ps11:15:163
41034699240,20cyclictest0-21swapper/308:45:123
410342992420,2cyclictest471223-21apt-get08:10:122
410342992420,2cyclictest456040-21apt-get07:55:122
41034299241,20cyclictest664398-21apt-get11:20:122
41034299241,20cyclictest588590-21apt-get10:05:122
41034299241,20cyclictest532478-21apt-get09:10:112
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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