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2026-03-21 - 05:03
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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 Sat Mar 21, 2026 00:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
208119910698753448,53448cyclictest0-21swapper22:44:480
208119910689653461,53346cyclictest10-21rcuc/023:43:450
208119910681053420,53269cyclictest14522-21ssh21:27:450
208119910672953473,53256cyclictest0-21swapper21:43:000
208119910666653454,53212cyclictest0-21swapper20:36:010
208119910660253471,53038cyclictest0-21swapper21:31:470
208119910658953464,53125cyclictest0-21swapper23:54:180
208119910655353406,53147cyclictest0-21swapper19:36:540
208119910650453470,53034cyclictest0-21swapper00:06:410
208119910647753457,53020cyclictest0-21swapper20:20:260
208119910647453457,53017cyclictest0-21swapper00:31:280
208119910646453450,53014cyclictest0-21swapper22:18:500
208119910645453445,53009cyclictest0-21swapper23:32:010
208119910643953442,52997cyclictest0-21swapper21:51:320
208119910641953405,53014cyclictest0-21swapper19:30:020
208119910641153423,52988cyclictest0-21swapper00:36:000
208119910639653421,52975cyclictest0-21swapper23:48:460
208119910625053384,52801cyclictest0-21swapper20:02:410
208119910621453468,52746cyclictest0-21swapper19:27:110
208119910620753406,52801cyclictest0-21swapper20:12:040
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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