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2026-05-13 - 05:06
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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 13, 2026 00:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
273369910697853427,53458cyclictest0-21swapper22:41:540
273369910680453331,53451cyclictest0-21swapper22:22:090
273369910668653397,53199cyclictest9-21ksoftirqd/021:59:120
273369910663253385,53157cyclictest0-21swapper21:24:120
273369910660553471,53134cyclictest0-21swapper21:13:390
273369910659453479,53115cyclictest0-21swapper23:17:350
273369910655953452,53107cyclictest0-21swapper20:59:250
273369910655153392,53094cyclictest0-21swapper22:35:420
273369910654753389,53090cyclictest0-21swapper22:53:580
273369910650853472,53036cyclictest0-21swapper00:39:380
273369910650353469,53034cyclictest0-21swapper21:32:340
273369910647853458,53020cyclictest0-21swapper20:32:370
273369910647053456,53014cyclictest0-21swapper23:22:260
273369910646853458,53010cyclictest0-21swapper23:27:470
273369910646153453,53008cyclictest0-21swapper21:49:590
273369910645353457,52996cyclictest0-21swapper21:17:500
273369910644453471,52973cyclictest0-21swapper19:36:010
273369910643753444,52993cyclictest0-21swapper20:09:200
273369910643653436,53000cyclictest0-21swapper00:19:420
273369910632753412,52824cyclictest0-21swapper19:54:060
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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