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2026-09-16 - 03:23
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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 Wed Sep 16, 2026 00:46:39)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
130380399354353,1cyclictest0-21swapper/121:43:021
130380399353352,1cyclictest1411457-21kworker/1:223:31:011
130380399353350,1cyclictest1411457-21kworker/1:223:55:011
130380399352351,1cyclictest1411457-21kworker/1:222:37:021
130380399351349,1cyclictest97550irq/166-enp0s3123:43:021
130380399350348,1cyclictest0-21swapper/122:56:021
130380399349348,1cyclictest0-21swapper/100:39:021
130380399349346,2cyclictest0-21swapper/121:25:021
130380399348347,1cyclictest97550irq/166-enp0s3121:39:021
130380399347345,2cyclictest97550irq/166-enp0s3123:19:021
130380399347345,1cyclictest97550irq/166-enp0s3100:27:021
130380399347345,1cyclictest97550irq/166-enp0s3100:01:021
130380399347344,3cyclictest1411457-21kworker/1:223:45:021
130380399347344,3cyclictest1411457-21kworker/1:223:45:021
130380399346344,1cyclictest97550irq/166-enp0s3122:07:021
130380399346344,1cyclictest97550irq/166-enp0s3121:57:021
130380399346344,1cyclictest97550irq/166-enp0s3121:51:011
130380399346344,1cyclictest97550irq/166-enp0s3121:21:021
130382799345343,1cyclictest0-21swapper/421:29:024
130380399345344,1cyclictest97550irq/166-enp0s3120:37:021
130380399345344,1cyclictest1377253-21kworker/1:021:31:021
130380399345343,1cyclictest97550irq/166-enp0s3123:29:021
130380399345343,1cyclictest97550irq/166-enp0s3119:25:021
130380399345343,1cyclictest97550irq/166-enp0s3100:05:021
130380399343342,1cyclictest97550irq/166-enp0s3120:47:021
130380399343342,1cyclictest1587233-21kworker/1:100:15:021
130380399343342,1cyclictest1411457-21kworker/1:222:45:021
130380399343342,1cyclictest1411457-21kworker/1:222:13:021
130380399343341,1cyclictest97550irq/166-enp0s3123:01:021
130380399342341,1cyclictest97550irq/166-enp0s3120:01:021
130380399342341,1cyclictest97550irq/166-enp0s3119:43:021
130380399342341,1cyclictest97550irq/166-enp0s3119:15:021
130380399342341,1cyclictest97550irq/166-enp0s3100:31:021
130380399342341,1cyclictest1411457-21kworker/1:223:23:021
130380399341340,1cyclictest97550irq/166-enp0s3121:45:021
130380399341340,1cyclictest97550irq/166-enp0s3119:59:021
130380399341340,1cyclictest1411457-21kworker/1:222:43:021
130380399341339,1cyclictest97550irq/166-enp0s3119:11:021
130380399340339,1cyclictest0-21swapper/121:16:021
130380399340339,1cyclictest0-21swapper/120:26:021
130380399339338,1cyclictest97550irq/166-enp0s3122:21:021
130380399339338,1cyclictest1316660-21kworker/1:121:01:021
130380399339338,1cyclictest1316660-21kworker/1:121:01:011
130380399339338,1cyclictest0-21swapper/123:06:011
130380399339338,1cyclictest0-21swapper/121:13:021
130380399339337,1cyclictest0-21swapper/120:41:021
130380399339337,1cyclictest0-21swapper/119:33:021
130380399339337,1cyclictest0-21swapper/119:23:021
130380399339336,3cyclictest1316660-21kworker/1:120:11:021
130380399338337,1cyclictest97550irq/166-enp0s3120:19:021
130380399338337,1cyclictest0-21swapper/119:38:021
130380399338337,1cyclictest0-21swapper/119:38:021
130380399338336,1cyclictest97550irq/166-enp0s3100:24:021
130380399337336,1cyclictest0-21swapper/120:51:021
130380399337336,1cyclictest0-21swapper/119:51:021
130380399337334,3cyclictest0-21swapper/123:52:021
130380399336335,1cyclictest97550irq/166-enp0s3123:35:021
130380399336335,1cyclictest97550irq/166-enp0s3122:25:021
130380399336335,1cyclictest0-21swapper/120:20:021
130380399336334,1cyclictest0-21swapper/122:16:021
130380399335334,1cyclictest97550irq/166-enp0s3122:31:021
130380399335334,1cyclictest97550irq/166-enp0s3122:31:021
130380399335334,1cyclictest0-21swapper/122:50:021
130380399335334,1cyclictest0-21swapper/119:47:021
130379599335333,1cyclictest1303670-21kworker/0:221:29:020
130382099334333,1cyclictest1386081-21kworker/3:223:43:023
130380399334333,1cyclictest0-21swapper/123:14:021
130380399334333,1cyclictest0-21swapper/122:02:021
130380399333332,1cyclictest97550irq/166-enp0s3120:07:021
130380399333331,1cyclictest97550irq/166-enp0s3121:09:021
130382099332331,1cyclictest1580763-21kworker/3:000:39:013
130380399332330,1cyclictest0-21swapper/100:12:021
130380399331330,1cyclictest97550irq/166-enp0s3120:57:021
130382099330329,1cyclictest1386081-21kworker/3:221:47:023
130382099330327,2cyclictest1340400-21kworker/3:120:47:023
130380399330329,1cyclictest1316660-21kworker/1:120:33:021
130382099327325,1cyclictest1386081-21kworker/3:222:39:023
130382099327323,2cyclictest0-21swapper/320:41:023
130382099325323,1cyclictest1386081-21kworker/3:223:09:023
130382099323321,1cyclictest1386081-21kworker/3:221:32:023
130382099323321,1cyclictest0-21swapper/319:23:023
130382099322320,1cyclictest0-21swapper/320:51:023
130382099322320,1cyclictest0-21swapper/319:33:023
130382099322320,1cyclictest0-21swapper/319:13:023
130384899321320,1cyclictest0-21swapper/723:43:027
130382099321319,1cyclictest0-21swapper/323:38:023
130382099320319,1cyclictest0-21swapper/319:51:023
130382099320318,1cyclictest1386081-21kworker/3:222:42:023
130382099320318,1cyclictest0-21swapper/321:40:023
130382099320318,1cyclictest0-21swapper/319:47:023
130384899319318,1cyclictest0-21swapper/700:39:027
130382099318317,1cyclictest1386081-21kworker/3:221:54:023
130382099318316,1cyclictest1340400-21kworker/3:120:17:023
130382099317316,1cyclictest1386081-21kworker/3:200:03:023
130382099317316,1cyclictest0-21swapper/323:14:023
130384899316315,1cyclictest0-21swapper/721:47:027
130384899316314,1cyclictest0-21swapper/720:47:027
130382099316314,1cyclictest0-21swapper/300:12:023
130382099315314,1cyclictest1386081-21kworker/3:222:18:023
130382099315314,1cyclictest0-21swapper/321:17:023
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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