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2026-04-10 - 04:26
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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
Compare latency of primary with shadow system
Characteristics of the 10 highest latencies:
System rack4slot3.osadl.org (updated Fri Apr 10, 2026 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1203821060,4sleep012039-21cat00:01:300
17438210114,16sleep017439-21iostat_ios00:16:590
941729916,15sleep09436-21ntp_offset22:12:080
1418329914,16sleep014191-21memory22:27:040
16744999815,72cyclictest4185-21munin-node23:36:420
1552529815,16sleep015542-21sshd00:11:430
1537129814,18sleep015409-21cpu22:31:430
1356829814,15sleep013596-21cat22:26:300
3024929714,15sleep030265-21missed_timers19:57:020
2961129714,16sleep029621-21munin-run19:56:280
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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