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2026-09-08 - 09:58
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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 08, 2026 00:46:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
263304699382380,2cyclictest2672969-21kworker/3:122:08:023
263304699382379,2cyclictest2672969-21kworker/3:123:36:023
2633046993821,0cyclictest0-21swapper/320:03:023
2633046993820,381cyclictest0-21swapper/320:41:023
2633046993820,381cyclictest0-21swapper/320:17:033
263306199381379,2cyclictest2700044-21kworker/5:223:54:025
263306199381379,1cyclictest2684989-21kworker/5:020:40:035
2633061993810,380cyclictest2700044-21kworker/5:221:46:025
2633046993810,380cyclictest0-21swapper/323:09:023
2633046993810,380cyclictest0-21swapper/300:23:033
263304099381379,1cyclictest2905104-21kworker/2:000:07:022
263302899381379,1cyclictest97550irq/166-enp0s3121:02:031
263302899381379,1cyclictest97550irq/166-enp0s3100:04:021
2633028993810,380cyclictest0-21swapper/122:55:031
263306199380379,1cyclictest2700044-21kworker/5:200:05:025
2633061993800,379cyclictest0-21swapper/523:08:025
2633061993800,379cyclictest0-21swapper/521:29:025
263304699380378,1cyclictest2672969-21kworker/3:121:27:023
263304699380378,1cyclictest2672969-21kworker/3:120:48:033
2633046993800,379cyclictest0-21swapper/323:45:023
2633046993800,379cyclictest0-21swapper/322:43:023
2633046993800,1cyclictest0-21swapper/300:39:023
263302899380379,1cyclictest97550irq/166-enp0s3121:18:021
263306199379378,1cyclictest2700044-21kworker/5:222:18:025
263306199379377,1cyclictest2700044-21kworker/5:223:56:025
263304699379378,1cyclictest2672969-21kworker/3:122:20:023
263304699379378,1cyclictest0-21swapper/321:51:033
263304699379378,1cyclictest0-21swapper/300:13:023
263304699379377,1cyclictest2672969-21kworker/3:123:24:033
263304699379377,1cyclictest2672969-21kworker/3:123:24:023
263304099379376,1cyclictest4105115-21kworker/2:121:55:022
263302899379377,1cyclictest97550irq/166-enp0s3120:38:021
263302899379377,1cyclictest97550irq/166-enp0s3120:16:021
263306199378377,1cyclictest2889062-21kworker/5:119:35:025
263306199378377,1cyclictest2700044-21kworker/5:223:48:035
263306199378377,1cyclictest2700044-21kworker/5:222:11:025
263306199378377,1cyclictest0-21swapper/521:44:035
263304699378377,1cyclictest2672969-21kworker/3:100:01:033
263304699378376,1cyclictest2672969-21kworker/3:122:56:033
263304699378376,1cyclictest0-21swapper/321:56:033
263304699378376,1cyclictest0-21swapper/320:05:023
263304099378376,1cyclictest0-21swapper/222:23:032
263302899378377,1cyclictest2651905-21kworker/1:021:20:021
263307499377375,1cyclictest2858311-21kworker/7:123:55:027
263306199377376,1cyclictest2889062-21kworker/5:120:54:025
263306199377376,1cyclictest2700044-21kworker/5:222:30:025
263306199377376,1cyclictest0-21swapper/519:30:025
263306199377375,1cyclictest2700044-21kworker/5:221:32:025
263304699377376,1cyclictest2672969-21kworker/3:122:49:023
263304699377376,1cyclictest2672969-21kworker/3:122:16:033
263304699377376,1cyclictest2597236-21kworker/3:219:50:033
263304699377375,1cyclictest2672969-21kworker/3:121:07:023
263302899377376,1cyclictest97550irq/166-enp0s3120:23:031
263306199376375,1cyclictest2889062-21kworker/5:120:04:025
263306199376375,1cyclictest0-21swapper/522:22:035
263304699376375,1cyclictest0-21swapper/323:51:023
263304699376375,1cyclictest0-21swapper/322:02:023
263304699376375,1cyclictest0-21swapper/322:02:023
263304099376374,1cyclictest0-21swapper/223:05:032
263304099376374,1cyclictest0-21swapper/221:31:022
263306199375374,1cyclictest2889062-21kworker/5:120:18:025
263306199375374,1cyclictest2889062-21kworker/5:119:59:025
263306199375374,1cyclictest2889062-21kworker/5:119:20:025
263306199375374,1cyclictest2700044-21kworker/5:221:11:035
263304699375374,1cyclictest0-21swapper/322:32:023
263304699375374,1cyclictest0-21swapper/320:35:023
263304699375373,1cyclictest2672969-21kworker/3:120:26:023
263304699375373,1cyclictest2597236-21kworker/3:219:34:033
263304099375374,1cyclictest0-21swapper/220:55:022
263304099375373,1cyclictest4105115-21kworker/2:121:37:032
263302899375374,1cyclictest2651905-21kworker/1:023:08:021
263302899375374,1cyclictest2651905-21kworker/1:021:46:021
263302899375374,1cyclictest2651905-21kworker/1:021:29:031
263306199374373,1cyclictest2889062-21kworker/5:120:06:035
263306199374373,1cyclictest0-21swapper/520:29:025
263304699374373,1cyclictest0-21swapper/321:00:023
263304099374373,1cyclictest0-21swapper/220:45:022
263304099374372,1cyclictest0-21swapper/222:45:022
263304099374371,2cyclictest4105115-21kworker/2:122:10:022
263302899374373,1cyclictest0-21swapper/123:54:021
263306199373372,1cyclictest2889062-21kworker/5:120:46:025
263306199373372,1cyclictest2889062-21kworker/5:120:14:035
263306199373372,1cyclictest0-21swapper/519:46:035
263304699373372,1cyclictest2672969-21kworker/3:120:58:023
263304699373372,1cyclictest0-21swapper/319:43:023
263304099373372,1cyclictest4105115-21kworker/2:123:11:032
263304099373371,1cyclictest2855140-21kworker/2:223:43:032
263304099373371,1cyclictest0-21swapper/220:33:032
263302899373372,1cyclictest0-21swapper/120:40:021
263302899373372,1cyclictest0-21swapper/100:05:031
2633028993730,373cyclictest0-21swapper/122:25:031
263306199372371,1cyclictest2889062-21kworker/5:119:16:035
263304699372371,1cyclictest2597236-21kworker/3:219:48:023
263304699372371,1cyclictest0-21swapper/319:12:023
263304099372371,1cyclictest0-21swapper/220:13:032
263304099372370,1cyclictest0-21swapper/219:39:022
263302899372371,1cyclictest2651905-21kworker/1:023:42:021
263302899372371,1cyclictest0-21swapper/122:18:021
2633028993720,1cyclictest97550irq/166-enp0s3120:51:021
2633028993720,1cyclictest97550irq/166-enp0s3120:09:021
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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