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2026-05-06 - 11:25
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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 Wed May 06, 2026 00:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
185159910691053425,53393cyclictest0-21swapper19:22:330
185159910671553424,53291cyclictest0-21swapper22:11:020
185159910654153474,53067cyclictest0-21swapper20:28:320
185159910652353395,53038cyclictest0-21swapper21:07:330
185159910650853401,53107cyclictest0-21swapper21:01:220
185159910649453475,53019cyclictest0-21swapper19:42:190
185159910648953467,53022cyclictest0-21swapper20:41:560
185159910648853466,53022cyclictest0-21swapper20:19:090
185159910648853462,53026cyclictest0-21swapper00:38:440
185159910647053414,53056cyclictest0-21swapper20:02:150
185159910646953413,53056cyclictest0-21swapper20:57:510
185159910646553455,53010cyclictest0-21swapper20:23:010
185159910646053408,53052cyclictest0-21swapper22:09:210
185159910645953406,53053cyclictest0-21swapper23:15:000
185159910645853448,53010cyclictest0-21swapper00:24:200
185159910645153461,52897cyclictest0-21swapper19:37:170
185159910644753459,52988cyclictest0-21swapper21:56:170
185159910640453425,52979cyclictest0-21swapper22:18:440
185159910626253389,52808cyclictest0-21swapper23:15:400
185159910625253384,52803cyclictest0-21swapper19:55:030
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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