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2026-06-12 - 16:44
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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 Fri Jun 12, 2026 12:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
73502500,0irq/45-4a10000024108-21kworker/0:407:06:560
7350930,0irq/45-4a10000018173-21aten_r4power_vo09:55:000
25918999360,0cyclictest0-21swapper10:40:290
25918999359,0cyclictest0-21swapper12:05:250
25918999260,0cyclictest0-21swapper10:25:250
25918999257,0cyclictest0-21swapper07:29:480
7450910,0irq/46-4a10000010937-1kworker/u3:011:12:170
7350910,0irq/45-4a1000006320-21/usr/sbin/munin09:20:040
25918999159,0cyclictest0-21swapper11:20:190
7350900,0irq/45-4a10000031223-1kworker/u3:007:21:560
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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