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2026-05-10 - 20:23
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 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 rack7slot8.osadl.org (updated Sun May 10, 2026 02:44:19)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
5038221430,53sleep00-21swapper/019:06:510
54839916425,19cyclictest9787-21runrttasks23:35:390
5483991617,22cyclictest2010-21node19:51:580
54839916144,100cyclictest3650irq/20-4900000000:00:110
54839916043,13cyclictest10150irq/55-4a10000021:00:130
54839915947,16cyclictest10250irq/56-4a10000019:20:130
54839915941,12cyclictest10150irq/55-4a10000022:30:210
5483991589,23cyclictest3645-21ntp_states23:11:010
54839915853,93cyclictest8082-21cron23:30:010
54839915848,10cyclictest0-21swapper/022:23:260
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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