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2026-05-13 - 09:36
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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 May 12, 2026 14:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
5831221430,49sleep00-21swapper/007:06:490
62739916281,40cyclictest29886-21sshd08:41:370
62739915983,38cyclictest4454-21munin-run11:20:030
62739915678,39cyclictest2284-21diskstats11:10:240
62739915469,32cyclictest4989-21ntp_states11:20:430
62739915276,37cyclictest19067-21latency_hist08:00:050
62739915182,48cyclictest10041-21runrttasks07:22:130
62739915179,36cyclictest25214-21munin-run12:40:020
62739915179,36cyclictest24916-21ntp_states10:30:370
62739915177,37cyclictest6760-21ntp_states07:10:450
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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