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2026-05-15 - 21:18
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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 20 highest latencies:
System rack6slot6 (updated Fri May 15, 2026 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
5219910744853401,53952cyclictest29855-21ssh10:14:030
5219910707553394,53560cyclictest12077-21ssh12:09:470
5219910702253472,53454cyclictest4923-21ssh09:37:030
5219910702053473,53452cyclictest2099-21runrttasks12:15:480
5219910695153442,53418cyclictest10-21rcuc/010:44:320
5219910688553476,53287cyclictest18306-21ssh09:56:180
5219910666953450,53219cyclictest0-21swapper10:16:240
5219910656453396,53102cyclictest0-21swapper12:28:320
5219910650653461,53045cyclictest0-21swapper09:50:570
5219910648653463,53023cyclictest0-21swapper11:02:270
5219910646853407,53061cyclictest0-21swapper07:47:310
5219910646253439,53023cyclictest0-21swapper08:03:460
5219910646053471,52926cyclictest505-21cyclictest12:12:370
5219910645553404,53051cyclictest0-21swapper10:35:090
5219910645253437,53015cyclictest0-21swapper09:46:150
5219910643853395,53043cyclictest0-21swapper12:20:100
5219910642553386,53039cyclictest0-21swapper08:57:010
5219910642453433,52991cyclictest0-21swapper11:17:210
5219910641553388,52965cyclictest505-21cyclictest10:04:510
5219910641253463,52887cyclictest3950irq/9-acpi07:14:210
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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