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2026-05-21 - 22:47
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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 Thu May 21, 2026 02:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
7217991729,144cyclictest12772-21diskstats23:45:370
7217991679,105cyclictest23750-21apt-get20:17:210
72179916340,106cyclictest10250irq/56-4a10000020:05:120
72179916255,88cyclictest10150irq/55-4a10000019:26:090
7217991618,115cyclictest6212-21irqstats23:20:270
7217991607,135cyclictest7571-21sshd21:17:100
7217991605,103cyclictest17466-21chrt00:02:150
7217991596,132cyclictest1305-21snmpd00:06:410
72179915741,105cyclictest12174-21apt-get19:30:410
6253215716,116sleep06256-21fw_conntrack19:05:210
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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