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2026-04-05 - 19:52
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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 Sun Apr 05, 2026 12:46:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
100061424130,23sleep70-21swapper/707:05:197
100203599382380,1cyclictest1075030-21kworker/7:111:17:027
100203599382380,1cyclictest1075030-21kworker/7:110:38:027
100203599382379,2cyclictest1075030-21kworker/7:112:14:027
100203599381379,1cyclictest2773686-21kworker/7:007:37:027
100203599381379,1cyclictest1075030-21kworker/7:109:52:027
100201399381380,1cyclictest1165258-21kworker/4:011:42:024
100201399381380,1cyclictest1044936-21kworker/4:108:49:024
100201399381380,1cyclictest1044936-21kworker/4:108:49:024
100201399381379,1cyclictest1186338-21kworker/4:212:36:024
100201399381379,1cyclictest1044936-21kworker/4:111:23:024
1002013993810,380cyclictest0-21swapper/411:07:024
1002013993810,380cyclictest0-21swapper/410:44:024
100203599380379,1cyclictest1075030-21kworker/7:110:31:027
100203599380379,1cyclictest1075030-21kworker/7:110:28:027
100203599380378,1cyclictest1075030-21kworker/7:111:06:027
100203599380378,1cyclictest0-21swapper/710:52:027
1002035993800,379cyclictest0-21swapper/708:27:027
100201399380379,1cyclictest1044936-21kworker/4:108:24:034
1002013993800,380cyclictest0-21swapper/408:28:034
1002013993800,379cyclictest0-21swapper/412:32:024
1002013993800,1cyclictest0-21swapper/408:07:024
100198899380379,1cyclictest969936-21kworker/1:107:25:021
1002013993790,379cyclictest0-21swapper/409:51:024
1002013993790,379cyclictest0-21swapper/409:48:024
100198899379378,1cyclictest969936-21kworker/1:107:35:021
100198899379377,2cyclictest969936-21kworker/1:107:21:021
100203599378377,1cyclictest1075030-21kworker/7:110:43:027
100203599378377,1cyclictest1075030-21kworker/7:109:24:027
100198899378377,1cyclictest969936-21kworker/1:112:33:021
100198899378376,1cyclictest969936-21kworker/1:109:05:021
100198899376375,1cyclictest969936-21kworker/1:112:29:021
100202999375374,1cyclictest97550irq/166-enp0s3108:01:026
100202999373371,1cyclictest97550irq/166-enp0s3111:20:026
100202999373371,1cyclictest97550irq/166-enp0s3110:11:026
100202999373371,1cyclictest97550irq/166-enp0s3108:55:026
100198899373371,1cyclictest1114128-21kworker/1:010:50:021
100202999372371,1cyclictest97550irq/166-enp0s3107:33:026
100202999372370,2cyclictest97550irq/166-enp0s3112:00:026
100198899372371,1cyclictest969936-21kworker/1:109:23:021
100202999371369,1cyclictest97550irq/166-enp0s3112:39:026
100198899371369,1cyclictest0-21swapper/111:35:021
100202999370369,1cyclictest1105104-21kworker/6:011:25:026
100202999370368,1cyclictest97550irq/166-enp0s3110:35:026
100202999370367,1cyclictest0-21swapper/611:37:026
100198899368367,1cyclictest969936-21kworker/1:108:53:021
100198899368367,1cyclictest969936-21kworker/1:108:15:031
100202999367366,1cyclictest97550irq/166-enp0s3111:10:026
100202999367366,1cyclictest97550irq/166-enp0s3107:45:026
100202999367365,1cyclictest97550irq/166-enp0s3107:57:026
100198899367366,1cyclictest1114128-21kworker/1:011:21:021
100198899367366,1cyclictest1114128-21kworker/1:010:33:021
100198899367366,1cyclictest0-21swapper/112:05:021
100202999366365,1cyclictest97550irq/166-enp0s3108:20:026
100202999366364,1cyclictest97550irq/166-enp0s3109:41:026
100202999366364,1cyclictest97550irq/166-enp0s3109:20:026
100198899366365,1cyclictest969936-21kworker/1:109:55:021
100198899366365,1cyclictest1114128-21kworker/1:011:19:021
100198899366365,1cyclictest0-21swapper/111:05:021
100198899366365,1cyclictest0-21swapper/109:45:021
100198899366364,1cyclictest969936-21kworker/1:109:29:021
100198899366363,2cyclictest969936-21kworker/1:109:32:021
100202999365364,1cyclictest97550irq/166-enp0s3111:09:026
100202999365363,1cyclictest0-21swapper/610:49:026
100198899365364,1cyclictest969936-21kworker/1:108:33:021
100198899365364,1cyclictest1114128-21kworker/1:010:39:021
100198899365364,1cyclictest0-21swapper/110:40:031
100198899365364,1cyclictest0-21swapper/109:01:021
100198899365363,2cyclictest969936-21kworker/1:107:41:021
100198899365363,1cyclictest0-21swapper/110:23:021
100198899365363,1cyclictest0-21swapper/110:23:021
100198899365363,1cyclictest0-21swapper/110:18:021
100202999364363,1cyclictest97550irq/166-enp0s3111:49:026
100202999364363,1cyclictest97550irq/166-enp0s3110:50:026
100202999364363,1cyclictest0-21swapper/608:35:026
100198899364363,1cyclictest969936-21kworker/1:112:18:021
100198899364363,1cyclictest969936-21kworker/1:112:03:021
100198899364363,1cyclictest969936-21kworker/1:108:25:031
100198899364363,1cyclictest0-21swapper/107:58:021
100198899364363,1cyclictest0-21swapper/107:47:021
100198899364362,1cyclictest969936-21kworker/1:112:21:021
100198899364362,1cyclictest969936-21kworker/1:111:34:031
100202999363362,1cyclictest97550irq/166-enp0s3111:30:026
100202999363362,1cyclictest0-21swapper/607:11:036
100198899363362,1cyclictest969936-21kworker/1:108:44:021
100198899363362,1cyclictest1114128-21kworker/1:010:55:021
100198899363361,1cyclictest0-21swapper/107:34:021
100202999362360,1cyclictest0-21swapper/609:35:026
100198899362361,1cyclictest969936-21kworker/1:111:29:021
100198899362361,1cyclictest0-21swapper/112:35:021
100202999361360,1cyclictest0-21swapper/609:47:026
100202999361360,1cyclictest0-21swapper/608:43:026
100198899361360,1cyclictest969936-21kworker/1:109:38:021
100198899361360,1cyclictest969936-21kworker/1:108:47:021
100198899361360,1cyclictest969936-21kworker/1:108:47:021
100198899361359,1cyclictest969936-21kworker/1:111:48:021
100198899361359,1cyclictest969936-21kworker/1:108:02:021
100202999360358,1cyclictest0-21swapper/608:13:026
100198899360359,1cyclictest969936-21kworker/1:111:41:021
100198899360359,1cyclictest0-21swapper/107:51:021
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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