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2026-08-18 - 19:44
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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 Tue Aug 18, 2026 12:44:02)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
745012960,0irq/46-4a10000012-21ksoftirqd/007:05:260
20331999958,0cyclictest0-21swapper07:55:370
20331999360,0cyclictest0-21swapper10:55:130
20331999256,0cyclictest0-21swapper10:34:560
20331999157,0cyclictest0-21swapper07:44:450
7350900,0irq/45-4a10000019262-21/usr/sbin/munin10:14:410
20331999059,0cyclictest0-21swapper08:30:190
20331999056,0cyclictest0-21swapper08:50:130
7350890,0irq/45-4a1000008905-21sendmail-msp11:20:430
7350890,0irq/45-4a10000022481-1kworker/u3:112:20:160
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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