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2026-01-11 - 21:38
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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, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 10 highest latencies:
System rack7slot3.osadl.org (updated Sun Jan 11, 2026 12:44:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
15199285120sleep15198-21munin-node0
1621299264134cyclictest9834-21diskmemload11:14:350
1621299253117cyclictest22015-21ssh09:53:540
162129925288cyclictest9604-21chrt09:01:040
1621299252126cyclictest10524-21sh11:17:000
1621299252123cyclictest18257-21munin-node0
162129925186cyclictest13608-21latency_hist09:20:120
1621299251125cyclictest25294-21cpu07:49:260
1621299251124cyclictest21702-21sshd07:32:380
1621299249122cyclictest29924-21latency_hist08:09:400
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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