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2026-03-15 - 23:08
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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 Mar 15, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1068911080,39ptp4l401ktimersoftd/308:01:063
259352780,4sleep23082499cyclictest11:41:202
90102730,2sleep33083199cyclictest12:29:113
90102730,2sleep33083199cyclictest12:29:113
106891690,1ptp4l401ktimersoftd/311:24:263
106891680,1ptp4l401ktimersoftd/310:06:493
302482670,1sleep30-21swapper/313:22:313
97402650,2sleep00-21swapper/010:51:480
106891650,1ptp4l401ktimersoftd/312:04:043
106891640,1ptp4l401ktimersoftd/310:59:453
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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