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2026-04-28 - 17:18
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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 Tue Apr 28, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
295099910707453439,53539cyclictest1828-21hald-addon-acpi20:09:180
295099910701553471,53544cyclictest0-21swapper23:41:390
295099910668553410,53179cyclictest14532-21diskmemload00:15:590
295099910655453390,53099cyclictest0-21swapper19:47:120
295099910653053439,53091cyclictest0-21swapper22:51:550
295099910651953476,53043cyclictest0-21swapper21:15:470
295099910650853475,53033cyclictest0-21swapper22:59:570
295099910650653475,53031cyclictest0-21swapper23:13:210
295099910647653415,53061cyclictest0-21swapper19:19:240
295099910646953408,53061cyclictest0-21swapper20:36:060
295099910645853453,53005cyclictest0-21swapper00:35:050
295099910645353447,53006cyclictest0-21swapper20:21:320
295099910644853402,53046cyclictest0-21swapper23:03:590
295099910644353443,53000cyclictest0-21swapper00:32:240
295099910644153398,53043cyclictest0-21swapper22:23:070
295099910642953433,52996cyclictest0-21swapper21:29:210
295099910642653451,52975cyclictest0-21swapper20:58:320
295099910633553417,52918cyclictest0-21swapper19:11:010
295099910629053390,52809cyclictest0-21swapper22:19:560
295099910622053456,52764cyclictest0-21swapper21:07:150
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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