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2024-07-21 - 21:48
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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
Characteristics of the 20 highest latencies:
System rackdslot0.osadl.org (updated Sun Jul 21, 2024 12:45:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1504199385383,2cyclictest0-21swapper/207:29:032
1504199382380,1cyclictest20418-21gsd-color08:26:032
1504199372370,2cyclictest0-21swapper/211:45:022
1504199371357,13cyclictest7178-21kworker/2:209:37:022
1504199371357,13cyclictest7178-21kworker/2:209:37:022
1504199369367,1cyclictest7773-21kworker/2:007:34:012
1504199365360,3cyclictest0-21swapper/210:41:032
1504199361359,2cyclictest0-21swapper/210:14:032
1504199348346,1cyclictest7773-21kworker/2:008:38:012
1504199343342,1cyclictest0-21swapper/209:42:012
1504199339337,2cyclictest0-21swapper/211:32:022
1504199338336,2cyclictest0-21swapper/210:29:022
1504199337336,1cyclictest0-21swapper/211:19:032
1504199337336,0cyclictest0-21swapper/209:01:022
1504199337335,2cyclictest0-21swapper/209:31:032
1504199337335,0cyclictest0-21swapper/211:37:032
1504199336335,1cyclictest0-21swapper/208:21:022
1504199336335,1cyclictest0-21swapper/208:21:022
1504099303300,2cyclictest20271-21gnome-shell07:42:591
1504099303292,11cyclictest0-21swapper/107:29:031
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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