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2026-06-28 - 21:47
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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 20 highest latencies:
System rack4slot2.osadl.org (updated Sun Jun 28, 2026 12:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74502020,0irq/46-4a10000025082-21/usr/sbin/munin07:04:530
26373999461,0cyclictest0-21swapper12:00:330
26373999260,0cyclictest0-21swapper09:45:130
26373999160,0cyclictest0-21swapper12:10:280
26373999160,0cyclictest0-21swapper08:40:330
26373999159,0cyclictest0-21swapper08:00:370
26373999158,0cyclictest0-21swapper09:55:070
26373999158,0cyclictest0-21swapper09:25:110
26373999070,0cyclictest0-21swapper08:05:020
26373999059,0cyclictest0-21swapper07:50:210
26373999058,0cyclictest0-21swapper07:29:530
26373999057,0cyclictest0-21swapper10:09:570
26373999056,0cyclictest0-21swapper07:45:080
26373998956,0cyclictest0-21swapper10:00:340
26373998956,0cyclictest0-21swapper08:49:540
26373998956,0cyclictest0-21swapper07:25:220
26373998866,0cyclictest0-21swapper09:15:300
26373998857,0cyclictest0-21swapper09:10:050
26373998856,0cyclictest0-21swapper11:45:190
26373998855,0cyclictest0-21swapper08:10:210
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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