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2026-04-27 - 20:54
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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 Mon Apr 27, 2026 12:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74502450,0irq/46-4a10000016858-1kworker/u3:107:03:240
17589999257,0cyclictest0-21swapper10:35:550
17589999056,0cyclictest0-21swapper11:05:530
17589998957,0cyclictest0-21swapper11:45:270
17589998957,0cyclictest0-21swapper08:56:000
17589998956,0cyclictest0-21swapper08:21:030
17589998867,0cyclictest0-21swapper08:00:530
17589998856,0cyclictest0-21swapper10:30:410
17589998856,0cyclictest0-21swapper09:45:540
17589998764,0cyclictest0-21swapper11:15:550
17589998757,0cyclictest0-21swapper10:25:560
17589998754,0cyclictest0-21swapper08:30:470
17589998754,0cyclictest0-21swapper07:40:420
17589998657,0cyclictest0-21swapper08:25:410
17589998655,0cyclictest0-21swapper11:25:380
17589998655,0cyclictest0-21swapper08:50:550
17589998655,0cyclictest0-21swapper07:20:580
17589998653,0cyclictest0-21swapper07:35:580
17589998653,0cyclictest0-21swapper07:05:380
17589998651,0cyclictest0-21swapper09:36:000
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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