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2026-06-13 - 21:31
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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 Sat Jun 13, 2026 12:45:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
148282920,1sleep5581rcuc/510:50:595
209802800,1sleep60-21swapper/611:49:116
211442740,0sleep70-21swapper/712:36:407
165302740,0sleep10-21swapper/112:02:431
43342730,0sleep00-21swapper/012:39:050
4162730,0sleep20-21swapper/209:28:092
107472730,0sleep70-21swapper/711:57:047
322302720,0sleep30-21swapper/310:58:273
56312710,4sleep71171599cyclictest09:38:247
251282710,1sleep50-21swapper/512:08:495
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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