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2026-04-19 - 19:16
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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 19, 2026 12:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74502430,0irq/46-4a1000007393-1kworker/u3:007:02:380
7350920,0irq/45-4a10000014871-1kworker/u3:107:26:170
16912999169,0cyclictest0-21swapper07:46:110
7350900,0irq/45-4a1000007785-1kworker/u3:111:27:280
16912999060,0cyclictest0-21swapper08:05:590
16912999058,0cyclictest0-21swapper10:46:020
16912999057,0cyclictest0-21swapper08:56:190
16912999056,0cyclictest0-21swapper11:00:490
75072890,0sleep06004-1kworker/u3:109:46:430
16912998958,0cyclictest0-21swapper08:01:150
16912998956,0cyclictest0-21swapper09:51:120
16912998956,0cyclictest0-21swapper08:36:180
16912998858,0cyclictest0-21swapper10:55:560
16912998856,0cyclictest0-21swapper08:25:410
16912998855,0cyclictest0-21swapper12:10:340
16912998853,0cyclictest0-21swapper07:41:210
7450870,0irq/46-4a10000029012-21grep12:25:490
16912998764,0cyclictest0-21swapper10:36:130
16912998757,0cyclictest0-21swapper12:30:440
16912998755,0cyclictest0-21swapper10:10:570
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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