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2026-03-07 - 00:53
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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 10 highest latencies:
System rack3slot2.osadl.org (updated Fri Mar 06, 2026 12:44:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
352811922640,2sleep03528120-21cat12:00:280
350488522470,3chrt3504201-21/usr/sbin/munin10:36:210
344690699219190,17cyclictest3515209-21kworker/u2:211:35:030
344690699219188,19cyclictest3443165-21kworker/u2:207:15:020
344690699218188,18cyclictest3479496-21kworker/u2:209:20:040
346923922130,2sleep03469241-21cron08:30:000
344690699212182,18cyclictest3476218-21kworker/u2:109:00:060
352230322110,2sleep03522304-21sort11:40:080
344690699207177,19cyclictest29-21kswapd011:55:220
344690699207177,18cyclictest3499929-21kworker/u2:110:55:040
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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