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2026-04-27 - 17:09
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 50 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the 20 highest latencies:
System rack3slot2.osadl.org (updated Mon Apr 27, 2026 12:44:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
384161299340306,22cyclictest3852033-21ntpq07:46:020
388128923000,2sleep03881290-21ld09:31:040
385330022660,3chrt3853302-21ntp_kernel_pll_07:50:380
393279622640,3chrt3932785-21ntpq12:36:030
391781422640,3chrt3917812-21users11:41:220
385649922550,2sleep03856500-21cat08:01:190
389747722530,2sleep03897478-21date10:30:080
384161299253186,54cyclictest3849696-31find07:37:310
386130322440,3chrt3861147-21cron08:20:080
385063022420,3chrt3850627-21ntpq07:40:560
391899322310,3chrt3918990-21ps11:46:170
386621322280,2sleep03866215-21timerandwakeup08:36:200
392799422150,2sleep03927995-21munin-plugin-st12:20:000
388913722130,3sleep03889140-21wc10:00:080
384161299209180,17cyclictest3874128-21kworker/u2:109:40:060
384161299206176,19cyclictest3869136-21kworker/u2:208:55:060
384161299195168,18cyclictest3904819-21kworker/u2:111:00:020
384161299195165,19cyclictest3874128-21kworker/u2:109:50:060
384161299189159,19cyclictest3874128-21kworker/u2:109:20:040
384161299189158,19cyclictest3925665-21kworker/u2:212:25:070
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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