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2026-08-04 - 07:42
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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 Mon Aug 03, 2026 14:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
15077221832,55sleep00-21swapper/007:09:550
151569916434,119cyclictest15504-21apt-get09:17:100
15156991636,18cyclictest10894-21ntp_states11:05:410
151569916348,96cyclictest31708-21basename12:25:290
151569916325,122cyclictest26978-21http12:10:040
15156991617,17cyclictest2010-21node09:39:570
151569916024,117cyclictest1408-21nginx08:24:430
15156991577,17cyclictest12478-21fw_conntrack09:05:260
15156991568,18cyclictest2196-21irqstats08:25:290
151569915644,101cyclictest20229-21munin-node07:30:110
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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