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2025-12-07 - 23:02
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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 rackbslot6.osadl.org (updated Sun Dec 07, 2025 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
169821590,4sleep02349199cyclictest12:40:160
177391930,4ptp4l401ktimersoftd/308:24:383
177391720,1ptp4l401ktimersoftd/310:55:363
177391710,1ptp4l401ktimersoftd/311:51:473
184122680,3sleep20-21swapper/211:43:012
177391680,1ptp4l401ktimersoftd/312:40:033
177391680,1ptp4l401ktimersoftd/312:24:203
240192670,2sleep10-21swapper/113:06:021
281602630,3sleep22350399cyclictest11:55:292
153512630,4sleep32350799cyclictest13:31:183
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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