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2026-08-08 - 00:09
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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 10 highest latencies:
System rack4slot2.osadl.org (updated Fri Aug 07, 2026 12:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74501890,0irq/46-4a10000026719-21/usr/sbin/munin07:05:290
278499912545,0cyclictest0-21swapper08:25:400
278499910856,0cyclictest0-21swapper08:45:440
278499910451,0cyclictest0-21swapper11:05:330
27849999845,0cyclictest0-21swapper09:15:520
27849999269,0cyclictest0-21swapper09:50:300
27849999260,0cyclictest0-21swapper10:05:570
27849999158,0cyclictest0-21swapper07:55:460
27849999068,0cyclictest0-21swapper07:50:570
27849999057,0cyclictest0-21swapper09:55:500
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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