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2026-04-02 - 10:09
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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 Thu Apr 02, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3018895993734,2cyclictest4132678-21kworker/3:1+pm19:48:563
3018885993331,1cyclictest3008498-21kworker/0:2+pm19:48:570
301889599321,21cyclictest514-21in:imuxsock23:45:003
301889599302,24cyclictest3079901-21apt-get20:10:103
3018895992918,10cyclictest3095301-21idleruntime-cro20:25:003
3018895992917,10cyclictest3100385-21cron20:30:003
301889599291,3cyclictest3019109-21apt-get19:10:133
301889599291,2cyclictest3156686-21cron21:25:003
301889599290,2cyclictest0-21swapper/320:00:133
3018895992718,7cyclictest0-21swapper/300:15:133
3018885992723,2cyclictest0-21swapper/020:20:000
301889599261,5cyclictest3339385-21cron00:25:003
3018895992614,3cyclictest3068558-21ntp_kernel_pll_19:55:213
301889599261,2cyclictest0-21swapper/321:50:123
301889599261,1cyclictest0-21swapper/321:45:413
3018895992520,3cyclictest3248532-21apt-get22:55:113
3018895992519,5cyclictest3024654-21irqcore19:15:153
3018895992514,2cyclictest0-21swapper/321:00:123
3018895992513,3cyclictest3321584-21ps00:05:173
3018895992513,3cyclictest3120339-21ntpq20:45:213
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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