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2026-05-22 - 15:38
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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 May 22, 2026 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74502000,0irq/46-4a10000027886-21runrttasks19:02:330
281239913249,0cyclictest7350irq/45-4a10000022:34:260
281239912840,0cyclictest0-21swapper19:51:050
281239912549,0cyclictest7350irq/45-4a10000021:04:530
281239912343,0cyclictest31451-21/usr/sbin/munin22:24:190
281239912241,0cyclictest0-21swapper00:05:060
281239911941,0cyclictest0-21swapper19:29:190
281239911940,0cyclictest0-21swapper23:29:140
281239911939,0cyclictest27667-21runrttasks20:38:450
281239911939,0cyclictest13630-21runrttasks21:30:450
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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