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2026-03-20 - 18:02
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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 Fri Mar 20, 2026 12:44:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
19821284526sleep19820-21munin-node0
2091799261234cyclictest21205-21sshd07:08:000
2091799257229cyclictest10585-21sh10:57:170
2091799256231cyclictest19048-21ssh09:21:100
2091799254228cyclictest7020-21latency_hist10:43:070
2091799254228cyclictest27888-21munin-run12:07:190
2091799254223cyclictest25773-21if_err_eth007:28:080
2091799253226cyclictest15999-21ssh09:08:300
2091799252224cyclictest27790-21ssh09:57:080
2091799250225cyclictest7661-1kworker/0:1H10:09:580
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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