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2026-05-19 - 21:48
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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 Tue May 19, 2026 12:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
73506310,0irq/45-4a10000014535-21kworker/0:107:03:490
18489999360,0cyclictest0-21swapper10:25:060
18489999158,0cyclictest0-21swapper11:49:240
18489999158,0cyclictest0-21swapper10:49:380
18489999158,0cyclictest0-21swapper09:30:020
18489999157,0cyclictest0-21swapper09:15:030
18489999157,0cyclictest0-21swapper08:50:130
18489999059,0cyclictest0-21swapper09:24:560
18489999058,0cyclictest0-21swapper07:19:450
18489999057,0cyclictest0-21swapper11:54:440
18489999057,0cyclictest0-21swapper07:29:380
18489999053,0cyclictest0-21swapper08:44:330
18489998969,0cyclictest0-21swapper08:09:560
18489998958,0cyclictest0-21swapper08:24:440
18489998957,0cyclictest0-21swapper08:34:440
18489998955,0cyclictest0-21swapper08:04:580
18489998955,0cyclictest0-21swapper07:10:100
18489998856,0cyclictest0-21swapper09:49:590
18489998854,0cyclictest0-21swapper10:29:520
18489998754,0cyclictest0-21swapper12:20:030
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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