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2026-06-10 - 00:33
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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 10 highest latencies:
System rack7slot8.osadl.org (updated Tue Jun 09, 2026 02:44:19)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1996219827,56sleep02002-21diskstats19:05:170
29929916253,29cyclictest101ktimersoftd/021:35:220
29929916125,17cyclictest17761-21latency_hist22:15:020
2992991608,41cyclictest2931-21apt-get21:17:080
6553211714,91sleep05803-21apt-get21:30:360
489221169,94sleep04893-21diskstats21:25:230
1030721159,11sleep010356-21cat23:55:040
983021094,12sleep09831-21sshd21:44:170
8701210910,13sleep08702-21sshd23:47:170
149421095,89sleep01514-21/usr/sbin/munin21:10:480
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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