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2026-09-01 - 12:47
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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 100 highest latencies:
System rackcslot6.osadl.org (updated Tue Sep 01, 2026 00:46:38)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
120918993821,380cyclictest0-21swapper/321:43:033
12091899381379,1cyclictest383122-21kworker/3:200:10:023
12091899381379,1cyclictest163845-21kworker/3:021:45:023
120911993810,1cyclictest0-21swapper/221:06:022
12091899380379,1cyclictest313350-21kworker/3:223:13:023
12091899380378,1cyclictest0-21swapper/319:27:023
12091899380378,1cyclictest0-21swapper/319:27:023
12090399380379,1cyclictest227786-21kworker/1:222:03:021
12090399380378,1cyclictest97550irq/166-enp0s3123:31:021
12091899379377,1cyclictest0-21swapper/320:29:033
12091899379377,1cyclictest0-21swapper/319:37:023
12091899379376,1cyclictest0-21swapper/320:01:033
12090399379378,1cyclictest97550irq/166-enp0s3123:03:021
12090399379378,1cyclictest97550irq/166-enp0s3120:15:021
12090399379377,1cyclictest97550irq/166-enp0s3122:25:021
12090399379377,1cyclictest97550irq/166-enp0s3100:35:021
12091899378377,1cyclictest313350-21kworker/3:223:07:023
12091899378377,1cyclictest0-21swapper/319:11:033
12091899378376,1cyclictest0-21swapper/320:41:023
12090399378377,1cyclictest97550irq/166-enp0s3123:37:021
12090399378377,1cyclictest97550irq/166-enp0s3122:51:021
12090399378376,1cyclictest97550irq/166-enp0s3121:39:021
12091899377376,1cyclictest0-21swapper/323:20:023
12091899377376,1cyclictest0-21swapper/321:21:023
12091899377375,1cyclictest392997-21kworker/3:119:59:023
12090399377376,1cyclictest97550irq/166-enp0s3122:43:021
12090399377376,1cyclictest97550irq/166-enp0s3122:13:021
12090399377376,1cyclictest97550irq/166-enp0s3100:05:021
12090399377375,1cyclictest97550irq/166-enp0s3123:09:021
12090399377375,1cyclictest97550irq/166-enp0s3121:27:021
12090399377375,1cyclictest97550irq/166-enp0s3121:17:021
12090399377375,1cyclictest97550irq/166-enp0s3121:07:031
12091899376374,1cyclictest0-21swapper/323:51:023
12090399376375,1cyclictest97550irq/166-enp0s3123:23:021
12090399376375,1cyclictest97550irq/166-enp0s3121:55:021
12090399376375,1cyclictest97550irq/166-enp0s3119:25:021
12090399376375,1cyclictest97550irq/166-enp0s3119:25:021
12090399376374,1cyclictest97550irq/166-enp0s3120:45:021
12090399376374,1cyclictest97550irq/166-enp0s3120:05:021
12090399376374,1cyclictest97550irq/166-enp0s3100:21:021
12091899375374,1cyclictest313350-21kworker/3:222:55:023
12091899375373,1cyclictest163845-21kworker/3:020:58:033
12091899375373,1cyclictest0-21swapper/322:21:023
12091899375373,1cyclictest0-21swapper/322:21:023
12091899375373,1cyclictest0-21swapper/321:14:023
12090399375373,1cyclictest97550irq/166-enp0s3121:41:021
12091899374373,1cyclictest0-21swapper/321:50:023
12091899374373,1cyclictest0-21swapper/300:24:023
12091899374372,1cyclictest345028-21kworker/3:023:30:023
12091899374372,1cyclictest246420-21kworker/3:122:06:023
12091899374372,1cyclictest0-21swapper/322:40:023
12090399374373,1cyclictest97550irq/166-enp0s3122:57:021
12090399374373,1cyclictest97550irq/166-enp0s3120:57:021
12090399374372,1cyclictest97550irq/166-enp0s3123:43:021
12090399374372,1cyclictest97550irq/166-enp0s3123:25:021
12090399374372,1cyclictest97550irq/166-enp0s3119:49:021
12091899373371,1cyclictest0-21swapper/322:16:023
12091899372371,1cyclictest0-21swapper/323:46:023
12091899372371,1cyclictest0-21swapper/323:46:023
12091899372371,1cyclictest0-21swapper/322:45:023
12091899372371,1cyclictest0-21swapper/321:33:023
12091899372370,1cyclictest246420-21kworker/3:122:35:033
12090399372371,1cyclictest97550irq/166-enp0s3123:13:021
12090399372371,1cyclictest357312-21kworker/1:023:45:021
12090399372371,1cyclictest357312-21kworker/1:023:45:021
12090399372370,1cyclictest97550irq/166-enp0s3122:48:021
12090399372370,1cyclictest97550irq/166-enp0s3121:45:021
12091899371369,2cyclictest383122-21kworker/3:200:19:023
12091899371369,1cyclictest0-21swapper/322:12:023
12091899371369,1cyclictest0-21swapper/321:18:023
12090399371370,1cyclictest97550irq/166-enp0s3122:37:021
12090399371370,1cyclictest97550irq/166-enp0s3100:11:021
12091899370369,1cyclictest0-21swapper/322:33:023
12091899370369,1cyclictest0-21swapper/322:27:023
12091899370369,1cyclictest0-21swapper/321:26:023
12091899370368,1cyclictest345028-21kworker/3:023:40:023
12091899370368,1cyclictest0-21swapper/300:33:023
12090399370369,1cyclictest97550irq/166-enp0s3123:53:021
12090399370369,1cyclictest97550irq/166-enp0s3122:23:021
12090399370369,1cyclictest97550irq/166-enp0s3122:23:021
12091899369368,1cyclictest383122-21kworker/3:200:04:023
12091899369368,1cyclictest0-21swapper/323:26:023
12091899369368,1cyclictest0-21swapper/323:17:023
12091899369367,1cyclictest0-21swapper/321:59:023
12090399369368,1cyclictest97550irq/166-enp0s3120:35:031
12090399369367,1cyclictest97550irq/166-enp0s3122:30:021
12090399369367,1cyclictest97550irq/166-enp0s3121:52:031
12091899368367,1cyclictest0-21swapper/321:02:023
12091899368366,1cyclictest0-21swapper/319:33:033
12090399368366,1cyclictest97550irq/166-enp0s3121:03:021
12090399368366,1cyclictest97550irq/166-enp0s3119:59:021
12090399368366,1cyclictest97550irq/166-enp0s3100:29:021
12091899367366,1cyclictest0-21swapper/323:35:023
12091899367366,1cyclictest0-21swapper/320:20:023
12091899367365,1cyclictest392997-21kworker/3:120:14:023
12091899367364,2cyclictest0-21swapper/319:41:023
12090399367365,1cyclictest97550irq/166-enp0s3120:24:021
12091899366364,1cyclictest392997-21kworker/3:120:08:023
12090399366365,1cyclictest97550irq/166-enp0s3120:50:021
12090399366364,1cyclictest97550irq/166-enp0s3119:53:021
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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