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2025-12-24 - 02:31
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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 Dec 23, 2025 12:46:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
12489399368366,1cyclictest0-21swapper/109:55:021
12493299360359,1cyclictest0-21swapper/612:16:026
12489399359358,1cyclictest0-21swapper/109:03:021
12491799351350,1cyclictest4028943-21kworker/4:107:54:024
12491799344342,1cyclictest4028943-21kworker/4:107:45:024
12491799343341,1cyclictest0-21swapper/411:05:024
12491799341340,1cyclictest243061-21kworker/4:210:35:024
12491799341340,1cyclictest0-21swapper/407:55:024
12491799340338,1cyclictest243061-21kworker/4:211:25:024
12491799339338,1cyclictest243061-21kworker/4:211:43:034
12491799338337,1cyclictest4028943-21kworker/4:107:10:024
12491799338336,1cyclictest300206-21kworker/4:012:10:024
12491799336335,1cyclictest0-21swapper/408:05:024
12491799335333,1cyclictest300206-21kworker/4:012:01:024
12491799333332,1cyclictest0-21swapper/409:05:024
12491799333331,1cyclictest0-21swapper/411:30:024
12491799332330,1cyclictest173864-21kworker/4:208:45:034
12491799332330,1cyclictest0-21swapper/412:07:024
12491799332330,1cyclictest0-21swapper/410:05:024
12491799331329,1cyclictest300206-21kworker/4:012:21:024
12491799331328,1cyclictest203956-21kworker/4:109:51:024
12491799330329,1cyclictest0-21swapper/411:45:034
12491799330328,1cyclictest173864-21kworker/4:209:01:024
12491799330328,1cyclictest173864-21kworker/4:208:51:034
12491799329328,1cyclictest4028943-21kworker/4:107:41:024
12491799329328,1cyclictest173864-21kworker/4:209:20:024
12491799329328,1cyclictest0-21swapper/409:27:034
12491799329327,1cyclictest203956-21kworker/4:109:57:024
12491799328327,1cyclictest0-21swapper/410:14:024
12491799328327,1cyclictest0-21swapper/408:15:014
12491799328326,1cyclictest203956-21kworker/4:110:15:034
12491799328326,1cyclictest173864-21kworker/4:209:19:034
12491799327326,1cyclictest4028943-21kworker/4:107:33:024
12491799327326,1cyclictest243061-21kworker/4:211:00:024
12491799327326,1cyclictest0-21swapper/411:54:034
12491799327326,1cyclictest0-21swapper/411:24:024
12491799327326,1cyclictest0-21swapper/411:12:024
12491799327326,1cyclictest0-21swapper/409:38:014
12491799326325,1cyclictest300206-21kworker/4:012:25:024
12491799326325,1cyclictest0-21swapper/411:19:024
12491799326324,1cyclictest243061-21kworker/4:210:44:024
12491799325324,1cyclictest4028943-21kworker/4:108:24:024
12491799325324,1cyclictest243061-21kworker/4:210:28:024
12491799324323,1cyclictest243061-21kworker/4:210:30:024
12491799324323,1cyclictest203956-21kworker/4:110:23:024
12491799323322,1cyclictest203956-21kworker/4:109:32:024
12491799323321,1cyclictest300206-21kworker/4:012:19:024
12491799323321,1cyclictest173864-21kworker/4:208:56:024
12491799322321,1cyclictest173864-21kworker/4:208:44:034
12491799322321,1cyclictest0-21swapper/412:34:024
12491799322321,1cyclictest0-21swapper/409:12:024
12491799322321,1cyclictest0-21swapper/407:17:024
12491799322320,1cyclictest203956-21kworker/4:109:48:024
12491799322320,1cyclictest0-21swapper/411:58:024
12491799320319,1cyclictest321265-21kworker/4:112:38:034
12491799320319,1cyclictest321265-21kworker/4:112:38:024
12491799320319,1cyclictest0-21swapper/410:53:024
12491799320319,1cyclictest0-21swapper/409:43:024
12491799320319,1cyclictest0-21swapper/409:43:024
12492499308307,1cyclictest124777-21kworker/5:107:15:025
12492499306305,1cyclictest97550irq/166-enp0s3109:31:035
12492499298296,1cyclictest97550irq/166-enp0s3111:55:035
12492499298296,1cyclictest182902-21kworker/5:211:05:035
12492499298296,1cyclictest124777-21kworker/5:107:45:015
12492499297293,2cyclictest173798-21systemd-userwor08:31:025
12492499296295,1cyclictest182902-21kworker/5:211:35:025
12492499296295,1cyclictest182902-21kworker/5:210:35:035
12492499295294,1cyclictest124777-21kworker/5:107:55:015
12492499294293,1cyclictest182902-21kworker/5:211:43:025
12492499294293,1cyclictest182902-21kworker/5:211:25:035
12492499294293,1cyclictest182902-21kworker/5:210:27:035
12492499294293,1cyclictest182902-21kworker/5:209:37:035
12492499294292,1cyclictest97550irq/166-enp0s3107:23:025
12492499294292,1cyclictest124777-21kworker/5:107:53:015
12492499294292,1cyclictest0-21swapper/509:45:035
12492499293292,1cyclictest182902-21kworker/5:210:45:025
12492499293292,1cyclictest124777-21kworker/5:108:01:015
12492499293292,1cyclictest0-21swapper/508:55:035
12492499293291,1cyclictest0-21swapper/508:37:015
12492499293291,1cyclictest0-21swapper/507:31:015
12492499292290,1cyclictest97550irq/166-enp0s3112:06:035
12492499292290,1cyclictest0-21swapper/510:32:025
12492499291290,1cyclictest97550irq/166-enp0s3112:35:025
12492499291290,1cyclictest97550irq/166-enp0s3112:35:025
12492499291289,1cyclictest97550irq/166-enp0s3109:23:025
12492499291289,1cyclictest97550irq/166-enp0s3107:37:015
12492499290289,1cyclictest97550irq/166-enp0s3107:25:025
12492499290289,1cyclictest124777-21kworker/5:108:05:015
12492499290289,1cyclictest0-21swapper/509:25:035
12492499290288,1cyclictest97550irq/166-enp0s3112:10:035
12492499290287,3cyclictest182902-21kworker/5:209:15:025
12492499289288,1cyclictest182902-21kworker/5:212:31:035
12492499289288,1cyclictest182902-21kworker/5:210:40:035
12492499288287,1cyclictest182902-21kworker/5:212:01:025
12492499288287,1cyclictest124777-21kworker/5:107:40:025
12492499288286,1cyclictest0-21swapper/511:31:025
12490199288286,1cyclictest0-21swapper/207:15:022
12492499287286,1cyclictest182902-21kworker/5:210:20:025
12492499287286,1cyclictest124777-21kworker/5:108:25:025
12492499287285,1cyclictest124777-21kworker/5:108:45:025
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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