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2025-12-14 - 22:28
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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 Dec 14, 2025 12:46:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
44920699381380,1cyclictest1894543-21kworker/0:012:03:030
44920699381380,1cyclictest1894543-21kworker/0:008:21:020
44920699381379,1cyclictest1894543-21kworker/0:010:14:030
449206993810,380cyclictest0-21swapper/012:14:030
449206993810,380cyclictest0-21swapper/007:53:020
44920699380379,1cyclictest1894543-21kworker/0:011:16:030
44920699380378,1cyclictest1894543-21kworker/0:011:20:030
449206993800,379cyclictest0-21swapper/007:46:020
449206993800,379cyclictest0-21swapper/007:14:030
449206993800,1cyclictest0-21swapper/009:53:020
449206993800,1cyclictest0-21swapper/009:42:030
44920699379378,1cyclictest1894543-21kworker/0:012:23:020
44920699379378,1cyclictest1894543-21kworker/0:007:43:020
44925699378376,2cyclictest537178-21kworker/7:310:18:037
44920699378377,1cyclictest1894543-21kworker/0:010:19:030
44920699378377,1cyclictest1894543-21kworker/0:007:23:020
44923599377376,1cyclictest507178-21kworker/4:111:57:024
44920699377376,1cyclictest0-21swapper/011:25:020
44920699376374,1cyclictest1894543-21kworker/0:010:59:010
44920699375374,1cyclictest1894543-21kworker/0:011:30:020
44920699375374,1cyclictest0-21swapper/010:30:020
44920699373371,1cyclictest0-21swapper/008:56:020
44920699373371,1cyclictest0-21swapper/008:56:020
44925699372369,2cyclictest534046-21kworker/7:009:30:027
44920699372371,1cyclictest0-21swapper/011:41:020
44920699372370,1cyclictest0-21swapper/009:57:010
44920699372370,1cyclictest0-21swapper/008:37:010
44925699371369,1cyclictest467790-21kworker/7:108:05:037
44924199371370,1cyclictest549297-21kworker/5:010:26:025
44920699371370,1cyclictest0-21swapper/012:25:020
44920699371370,1cyclictest0-21swapper/009:35:020
44920699371370,1cyclictest0-21swapper/009:33:020
44920699371370,1cyclictest0-21swapper/008:07:010
44920699370369,1cyclictest1894543-21kworker/0:009:19:020
44924199369368,1cyclictest699204-21kworker/5:108:10:025
44924199369368,1cyclictest699204-21kworker/5:107:55:025
44924199369368,1cyclictest699204-21kworker/5:107:12:025
44920699369368,1cyclictest0-21swapper/007:27:010
44924199368367,1cyclictest534246-21kworker/5:209:39:035
44923599368366,1cyclictest507178-21kworker/4:110:26:034
44923599368365,2cyclictest0-21swapper/410:24:024
44924199367366,1cyclictest549297-21kworker/5:009:56:035
44924199366365,1cyclictest603447-21kworker/5:211:40:035
44924199365364,1cyclictest534246-21kworker/5:209:52:025
44924199365363,1cyclictest699204-21kworker/5:108:53:025
44922099365363,1cyclictest663733-21kworker/2:007:55:022
44924199364363,1cyclictest627516-21kworker/5:112:30:035
44923599364363,1cyclictest485947-21kworker/4:008:10:034
44923599364363,1cyclictest1215843-21kworker/4:107:12:034
44922099364362,1cyclictest0-21swapper/209:39:032
44924199363362,1cyclictest699204-21kworker/5:108:55:035
44924199363362,1cyclictest699204-21kworker/5:108:55:025
44924199363362,1cyclictest627516-21kworker/5:112:20:035
44924199363362,1cyclictest564347-21kworker/5:110:20:035
44924199363361,1cyclictest699204-21kworker/5:109:13:035
44924199363361,1cyclictest699204-21kworker/5:107:18:025
44924199362361,1cyclictest627516-21kworker/5:112:15:035
44924199362361,1cyclictest603447-21kworker/5:211:56:035
44924199362361,1cyclictest549297-21kworker/5:010:39:025
44923599362361,1cyclictest507178-21kworker/4:109:56:034
44924199361360,1cyclictest699204-21kworker/5:107:48:025
44924199361360,1cyclictest549297-21kworker/5:010:13:035
44924199361359,1cyclictest627516-21kworker/5:112:06:035
44924199360359,1cyclictest549297-21kworker/5:010:47:025
44922099360359,1cyclictest663733-21kworker/2:009:52:032
44924199359358,1cyclictest627516-21kworker/5:112:36:035
44924199358357,1cyclictest0-21swapper/511:01:025
44924199358355,2cyclictest97550irq/166-enp0s3108:43:025
44924199357356,1cyclictest534246-21kworker/5:209:32:035
44924199357355,1cyclictest97550irq/166-enp0s3112:00:035
44924199356355,1cyclictest699204-21kworker/5:109:02:035
44924199356355,1cyclictest699204-21kworker/5:107:42:025
44924199356355,1cyclictest699204-21kworker/5:107:35:025
44922099356352,2cyclictest0-21swapper/212:00:032
44924199355354,1cyclictest97550irq/166-enp0s3111:35:035
44924199355354,1cyclictest0-21swapper/511:54:025
44922099355354,1cyclictest621422-21kworker/2:211:58:022
44924199354353,1cyclictest97550irq/166-enp0s3111:18:035
44924199354352,1cyclictest97550irq/166-enp0s3108:30:035
44923599354352,1cyclictest0-21swapper/412:00:024
44923599354352,1cyclictest0-21swapper/408:43:034
44924199353351,1cyclictest97550irq/166-enp0s3109:20:035
44924199353351,1cyclictest97550irq/166-enp0s3109:08:035
44924199353351,1cyclictest525242-21kworker/5:009:25:035
44923599353351,1cyclictest507178-21kworker/4:109:32:024
44922099353352,1cyclictest663733-21kworker/2:009:06:032
44924199352351,1cyclictest97550irq/166-enp0s3108:25:035
44923599352350,1cyclictest0-21swapper/410:53:034
44923599352350,1cyclictest0-21swapper/407:39:034
44922099352351,1cyclictest0-21swapper/208:43:022
44924199351350,1cyclictest97550irq/166-enp0s3111:33:035
44924199351350,1cyclictest97550irq/166-enp0s3111:27:035
44924199351350,1cyclictest97550irq/166-enp0s3110:32:035
44924199351350,1cyclictest699204-21kworker/5:108:16:025
44924199351350,1cyclictest699204-21kworker/5:107:21:025
44924199351350,1cyclictest549297-21kworker/5:010:57:025
44924199351350,1cyclictest534246-21kworker/5:209:45:025
44923599351350,1cyclictest0-21swapper/409:02:034
44923599351350,1cyclictest0-21swapper/407:42:034
44923599351349,1cyclictest0-21swapper/408:30:034
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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