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2026-04-12 - 21:56
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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 Apr 12, 2026 12:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
73502260,0irq/45-4a10000018922-21kworker/0:207:01:190
200849910069,0cyclictest0-21swapper08:26:110
20084999459,0cyclictest0-21swapper08:06:280
20084999158,0cyclictest0-21swapper11:46:040
20084999157,0cyclictest0-21swapper07:11:470
20084999057,0cyclictest0-21swapper10:46:290
20084999057,0cyclictest0-21swapper08:31:330
20084999056,0cyclictest0-21swapper07:46:160
20084999055,0cyclictest0-21swapper08:36:290
20084998957,0cyclictest0-21swapper07:56:350
20084998956,0cyclictest0-21swapper11:26:270
20084998956,0cyclictest0-21swapper08:16:270
20084998955,0cyclictest0-21swapper12:16:270
20084998866,0cyclictest0-21swapper12:21:110
20084998866,0cyclictest0-21swapper09:31:250
20084998856,0cyclictest0-21swapper09:41:310
20084998856,0cyclictest0-21swapper09:21:180
20084998855,0cyclictest0-21swapper09:01:140
20084998854,0cyclictest0-21swapper08:21:110
20084998848,0cyclictest0-21swapper07:21:340
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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