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2026-06-24 - 07:04
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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 20 highest latencies:
System rack0slot3.osadl.org (updated Wed Jun 24, 2026 00:45:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
39668952363357,4sleep110-21swapper/1119:07:193
39670782361319,14sleep50-21swapper/519:09:5411
39669922353333,13sleep120-21swapper/1219:08:414
39670712351331,13sleep150-21swapper/1519:09:487
39670222350310,13sleep60-21swapper/619:09:0712
39668692350315,28sleep40-21swapper/419:06:5610
39670702348328,13sleep140-21swapper/1419:09:476
39660972344325,13sleep100-21swapper/1019:05:262
39668352343322,14sleep70-21swapper/719:06:2713
39669862342323,13sleep80-21swapper/819:08:3714
39667872340320,13sleep130-21swapper/1319:05:455
39669612339318,14sleep30-21swapper/319:08:169
39639272336317,13sleep90-21swapper/919:05:0915
39669782333314,13sleep10-21swapper/119:08:301
39668672332312,13sleep20-21swapper/219:06:558
39669232329309,14sleep00-21swapper/019:07:400
396730599285282,3cyclictest2172-21Xorg21:00:002
396730599285282,3cyclictest2172-21Xorg19:45:012
396730599285282,3cyclictest2172-21Xorg19:28:002
396729199285282,3cyclictest3738-21gnome-shell20:33:588
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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