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2026-08-28 - 09:11
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
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 rackfslot7.osadl.org (updated Fri Aug 28, 2026 00:46:10)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
331332199770,58cyclictest3413584-21cat22:10:171
3313321997437,18cyclictest85750irq/36-eno1-TxRx-222:15:111
3313321997334,39cyclictest101750irq/41-eno2-TxRx-222:58:391
3313321997234,19cyclictest101750irq/41-eno2-TxRx-221:00:191
3313321997234,19cyclictest101750irq/41-eno2-TxRx-200:20:061
3313321997112,59cyclictest3481777-21grep00:15:131
3313321996932,18cyclictest3372554-21sed20:55:191
3313321996930,39cyclictest101750irq/41-eno2-TxRx-221:10:191
3313321996930,39cyclictest0-21swapper/122:08:391
3313321996728,39cyclictest101750irq/41-eno2-TxRx-221:40:271
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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