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2026-03-29 - 18:37
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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, lowest P state: performance
Characteristics of the 50 highest latencies:
System rackcslot6.osadl.org (updated Sun Mar 29, 2026 12:46:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
266469899372371,1cyclictest0-21swapper/408:30:024
266469899371370,1cyclictest0-21swapper/408:15:024
266469899370369,1cyclictest0-21swapper/410:15:024
266469899370368,1cyclictest0-21swapper/410:55:024
266469899370368,1cyclictest0-21swapper/409:35:034
266469899369367,1cyclictest0-21swapper/407:45:014
266469899368367,1cyclictest2785847-21kworker/4:112:12:024
266469899368367,1cyclictest0-21swapper/410:35:024
266469899368367,1cyclictest0-21swapper/410:35:024
266469899368367,1cyclictest0-21swapper/408:05:024
266469899368367,1cyclictest0-21swapper/407:55:024
266469899367366,1cyclictest0-21swapper/410:05:034
266469899366365,1cyclictest0-21swapper/410:10:024
266469899366365,1cyclictest0-21swapper/408:54:034
266469899366365,1cyclictest0-21swapper/407:25:014
266469899366364,1cyclictest2661414-21kworker/4:209:25:034
266469899365364,1cyclictest0-21swapper/411:08:024
266469899365364,1cyclictest0-21swapper/407:43:014
266469899365363,1cyclictest0-21swapper/409:17:034
266469899364363,1cyclictest0-21swapper/411:33:024
266469899363362,1cyclictest0-21swapper/411:19:024
266469899363362,1cyclictest0-21swapper/409:42:024
266469899363361,1cyclictest0-21swapper/410:04:014
266469899363361,1cyclictest0-21swapper/408:49:014
266469899362361,1cyclictest0-21swapper/410:44:024
266469899362361,1cyclictest0-21swapper/410:23:024
266469899362360,1cyclictest0-21swapper/411:57:024
266469899362360,1cyclictest0-21swapper/409:04:024
266469899361360,1cyclictest0-21swapper/409:47:024
266469899361360,1cyclictest0-21swapper/407:24:024
266469899360358,1cyclictest2661414-21kworker/4:209:50:024
266469899359358,1cyclictest2661414-21kworker/4:207:18:024
266469899358357,1cyclictest2661414-21kworker/4:208:13:024
266469899358356,1cyclictest2785847-21kworker/4:112:33:024
266469899358356,1cyclictest2785847-21kworker/4:111:49:024
266469899358356,1cyclictest2661414-21kworker/4:208:44:024
266469899358356,1cyclictest2661414-21kworker/4:208:01:024
266469899357356,1cyclictest2785847-21kworker/4:112:37:024
266469899357356,1cyclictest2785847-21kworker/4:112:24:024
266469899357356,1cyclictest2785847-21kworker/4:111:51:024
266469899357356,1cyclictest2661414-21kworker/4:209:24:034
266469899357355,1cyclictest2661414-21kworker/4:208:57:024
266469899356355,1cyclictest2785847-21kworker/4:112:02:024
266469899356355,1cyclictest2785847-21kworker/4:112:02:024
266469899356355,1cyclictest2785847-21kworker/4:111:04:024
266469899356355,1cyclictest2661414-21kworker/4:208:26:014
266469899356355,1cyclictest2661414-21kworker/4:207:37:014
266469899356355,1cyclictest2661414-21kworker/4:207:37:014
266469899356354,1cyclictest2785847-21kworker/4:112:18:024
266469899356354,1cyclictest2785847-21kworker/4:111:41:024
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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