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2026-09-20 - 00:53
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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 Sat Sep 19, 2026 12:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
73502490,0irq/45-4a10000014-21rcuc/007:05:080
30743999360,0cyclictest0-21swapper10:40:180
30743999259,0cyclictest0-21swapper10:35:310
30743999251,0cyclictest0-21swapper12:24:530
30743999159,0cyclictest0-21swapper11:04:520
30743999158,0cyclictest0-21swapper10:25:320
30743999058,0cyclictest0-21swapper12:30:120
30743999056,0cyclictest0-21swapper08:20:340
30743998966,0cyclictest0-21swapper11:40:370
30743998956,0cyclictest0-21swapper07:40:170
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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