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2025-12-17 - 02:25
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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 Tue Dec 16, 2025 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3125321690,5sleep3226799cyclictest08:07:373
3125321690,5sleep3226799cyclictest08:07:373
1068911000,4ptp4l401ktimersoftd/307:08:533
187582650,2sleep30-21swapper/309:57:363
187582650,2sleep30-21swapper/309:57:363
198152530,5sleep219817-21acpi10:02:252
138092530,2sleep10-21swapper/108:42:111
289142520,2sleep00-21swapper/009:12:290
254502480,1sleep10-21swapper/110:12:321
106891470,1ptp4l401ktimersoftd/311:58:503
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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