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2025-12-09 - 01:01
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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
Characteristics of the 10 highest latencies:
System rack6slot6 (updated Mon Dec 08, 2025 12:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
311149910743953485,53830cyclictest2803-21gnome-power-man08:16:570
311149910687653450,53426cyclictest0-21swapper12:36:120
311149910676453423,53219cyclictest16070-21diskmemload09:22:160
311149910658353469,53114cyclictest0-21swapper11:47:180
311149910657953427,53056cyclictest26544-21ssh10:06:590
311149910657753393,53184cyclictest0-21swapper11:32:530
311149910654753418,53129cyclictest0-21swapper07:34:250
311149910653053471,53059cyclictest0-21swapper07:22:510
311149910652953406,53060cyclictest31075-21cyclictest08:35:520
311149910651553462,53053cyclictest0-21swapper10:48:510
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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