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2026-04-01 - 00:01
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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 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
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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