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2026-06-16 - 21:44
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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 rack4slot2.osadl.org (updated Mon Jun 15, 2026 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
73502360,0irq/45-4a1000009804-21kworker/0:119:08:560
254092950,0sleep022830-1kworker/u3:121:25:330
7450940,0irq/46-4a10000015763-21chrt20:58:140
7450930,0irq/46-4a10000031632-21cstates20:09:550
7450930,0irq/46-4a10000019411-1kworker/u3:000:29:550
7450930,0irq/46-4a10000017357-21runrttasks19:27:050
7350930,0irq/45-4a10000015041-21/usr/sbin/munin00:05:270
245182930,0sleep024256-1kworker/u3:219:49:420
7450920,0irq/46-4a100000452-21snmpd23:15:100
7450920,0irq/46-4a10000028648-21/usr/sbin/munin23:10:260
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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