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2026-03-12 - 18:33
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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 Thu Mar 12, 2026 12:44:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
220292599339279,50cyclictest29-21kswapd008:36:130
220292599279244,24cyclictest2211097-21systemd07:39:010
225510022520,4chrt2255095-21ntpq10:15:500
220292599251220,21cyclictest29-21kswapd007:45:220
226732322470,3chrt2267321-21diskstats11:00:180
221898622430,2chrt2218984-21/usr/sbin/munin08:06:150
226902022360,3chrt2269010-21ntpq11:05:480
220292599219189,18cyclictest2214443-21kworker/u2:108:00:060
220292599215185,18cyclictest2277282-21kworker/u2:212:40:040
220292599214185,17cyclictest2214443-21kworker/u2:107:55:080
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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