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2025-11-26 - 14:04
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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 Wed Nov 26, 2025 12:44:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
196277022840,2sleep01962771-21/usr/sbin/munin11:46:020
195973122690,3sleep01959732-21sshd11:36:490
191670322640,3sleep01916705-21uname09:26:420
193592322610,3chrt1935922-21/usr/sbin/munin10:25:300
196153922420,3chrt1961540-21timerandwakeup11:41:540
195849722340,2chrt1958493-21ssh11:33:110
187729199234204,18cyclictest1882882-21kworker/u2:007:35:580
192496822280,3chrt1924969-21mailstats09:51:500
191386722170,4chrt1913864-21ssh09:18:100
190057922150,3sleep01900581-21sed08:31:210
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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