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2026-03-14 - 00:45
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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 Mar 13, 2026 12:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74502560,0irq/46-4a10000029079-1kworker/u3:107:05:010
29413999369,0cyclictest0-21swapper10:07:450
29413999369,0cyclictest0-21swapper07:37:370
24012930,0sleep01325-1kworker/u3:108:57:300
29413999258,0cyclictest0-21swapper11:47:280
29413999159,0cyclictest0-21swapper11:22:320
29413999157,0cyclictest0-21swapper11:42:360
29413999067,0cyclictest0-21swapper09:12:360
29413999057,0cyclictest0-21swapper12:22:340
29413999057,0cyclictest0-21swapper07:32:310
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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