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2026-06-16 - 22:00
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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 rack0slot0.osadl.org (updated Tue Jun 16, 2026 12:46:00)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
576521270,4sleep1352899cyclictest11:42:241
292262880,0sleep70-21swapper/709:19:177
309422810,1sleep00-21swapper/009:10:120
241972810,0sleep30-21swapper/309:17:363
275902760,0sleep60-21swapper/610:33:306
16542750,1sleep40-21swapper/410:54:184
16542750,1sleep40-21swapper/410:54:184
317132740,0sleep70-21swapper/712:37:127
35882720,0sleep50-21swapper/507:10:005
197552710,4sleep5354999cyclictest10:30:555
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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