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2026-06-20 - 16:50
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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 rack0slot3.osadl.org (updated Sat Jun 20, 2026 12:45:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
22472232368350,12sleep90-21swapper/907:05:0915
22501482363322,14sleep70-21swapper/707:06:4313
22502472350310,13sleep120-21swapper/1207:08:094
22501112349309,33sleep80-21swapper/807:06:1214
22500682348308,13sleep40-21swapper/407:05:3610
22480172348329,13sleep150-21swapper/1507:05:167
22503302347311,13sleep10-21swapper/107:09:181
22501002347308,32sleep140-21swapper/1407:06:026
22472192345326,13sleep50-21swapper/507:05:0511
22502232343323,13sleep60-21swapper/607:07:4612
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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