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2026-07-16 - 00:52
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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 Wed Jul 15, 2026 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1208421660,4sleep22528399cyclictest12:08:052
873021510,3sleep02527399cyclictest13:10:060
1068911450,8ptp4l10871-21kworker/3:209:05:593
307162870,2sleep10-21swapper/110:24:221
106891710,1ptp4l401ktimersoftd/313:04:543
320552670,2sleep30-21swapper/311:21:453
279652620,2sleep20-21swapper/209:13:582
279652620,2sleep20-21swapper/209:13:582
25273996250,7cyclictest9-21ksoftirqd/009:29:100
106891600,1ptp4l401ktimersoftd/313:18:273
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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