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2026-05-04 - 14:46
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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 Mon May 04, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2188021550,5sleep33062399cyclictest01:43:143
448121500,5sleep03060299cyclictest01:24:240
3044121290,3sleep23061799cyclictest01:19:122
106891960,4ptp4l401ktimersoftd/320:27:173
72692720,2sleep20-21swapper/223:17:232
72692720,2sleep20-21swapper/223:17:232
304772624,10sleep00-21swapper/020:28:400
112172620,1sleep10-21swapper/101:31:521
30623996128,3cyclictest41-21ksoftirqd/320:29:033
243572600,2sleep00-21swapper/000:07:000
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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