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2026-05-20 - 22:37
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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 Wed May 20, 2026 12:44:05)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74502540,0irq/46-4a1000005199-1kworker/u3:106:59:310
73669914659,0cyclictest0-21swapper07:29:580
7366999459,0cyclictest0-21swapper08:34:280
7366999259,0cyclictest0-21swapper08:14:590
7366999256,0cyclictest0-21swapper07:59:500
7366999168,0cyclictest0-21swapper10:04:460
7366999160,0cyclictest0-21swapper09:49:580
7366999159,0cyclictest0-21swapper09:24:560
7366999159,0cyclictest0-21swapper07:10:260
7366999158,0cyclictest0-21swapper09:34:180
7366999067,0cyclictest0-21swapper08:54:220
7366999058,0cyclictest0-21swapper09:29:440
7366999057,0cyclictest0-21swapper08:29:390
7366998958,0cyclictest0-21swapper11:05:010
7366998956,0cyclictest0-21swapper12:20:150
7366998857,0cyclictest0-21swapper12:10:060
7366998856,0cyclictest0-21swapper08:59:550
7366998855,0cyclictest0-21swapper08:04:440
7366998855,0cyclictest0-21swapper07:25:050
7366998854,0cyclictest0-21swapper07:05:090
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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