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2026-05-16 - 11:20
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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 Fri May 15, 2026 14:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
8065217925,125sleep08113-21apt-config07:05:090
93929912376,36cyclictest11493-21runrttasks07:17:060
93929911832,26cyclictest24351-21apt-get08:07:150
93929911571,35cyclictest1408-21nginx09:30:200
93929911454,44cyclictest24913-21chrt12:20:180
93929911431,32cyclictest29317-21df12:35:240
93929911347,27cyclictest1408-21nginx07:25:070
93929911243,49cyclictest27087-21irqstats10:25:290
93929911147,47cyclictest20760-21runrttasks10:00:180
93929911139,20cyclictest32695-21/usr/sbin/munin08:40:430
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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