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2026-05-10 - 00:55
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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 Sat May 09, 2026 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
123879915615,75cyclictest14095-21munin-node09:04:500
123879915414,67cyclictest25826-21munin-node09:39:580
123879915014,40cyclictest5452-21users10:15:310
123879914414,72cyclictest19313-21munin-node09:19:560
31304210114,74sleep031305-21sshd08:15:560
1607129713,71sleep016079-21smartctl09:09:570
3268129613,15sleep032697-21sendmail_mailqu10:00:200
12387999614,72cyclictest23116-21munin-node09:30:280
1814429514,15sleep018142-21ntp_states12:35:140
1415729514,15sleep014149-21latency_hist12:24:350
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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