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2026-07-08 - 21:54
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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 08, 2026 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2130521600,5sleep2289399cyclictest14:15:272
1068911060,4ptp4l401ktimersoftd/309:00:073
166072760,2sleep10-21swapper/112:30:351
106891750,1ptp4l401ktimersoftd/309:55:203
106891690,1ptp4l401ktimersoftd/314:22:033
106891680,1ptp4l401ktimersoftd/309:40:303
74872670,2sleep00-21swapper/011:15:300
2893996755,5cyclictest33-21ksoftirqd/213:15:222
18932650,4sleep3289999cyclictest11:43:403
185872640,4sleep318591-21timerwakeupswit13:05:383
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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