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2026-08-20 - 04:35
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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 Thu Aug 20, 2026 00:46:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
418275799382380,1cyclictest97550irq/166-enp0s3121:17:021
418275799382380,1cyclictest97550irq/166-enp0s3119:25:011
418275799381379,1cyclictest97550irq/166-enp0s3121:53:011
418275799381379,1cyclictest97550irq/166-enp0s3120:45:011
418275799381379,1cyclictest97550irq/166-enp0s3120:25:011
418275799381379,1cyclictest97550irq/166-enp0s3100:11:021
418275799380379,1cyclictest7907-21kworker/1:021:36:011
418275799380378,1cyclictest97550irq/166-enp0s3120:41:011
418275799380378,1cyclictest97550irq/166-enp0s3119:19:021
418275799379377,1cyclictest97550irq/166-enp0s3120:37:021
418275799379377,1cyclictest97550irq/166-enp0s3120:23:011
418275799379377,1cyclictest97550irq/166-enp0s3120:17:011
418275799379377,1cyclictest97550irq/166-enp0s3120:11:021
418275799379377,1cyclictest97550irq/166-enp0s3119:59:021
418275799378377,1cyclictest7907-21kworker/1:021:58:011
418275799378377,1cyclictest7907-21kworker/1:021:22:021
418275799378377,1cyclictest7907-21kworker/1:021:22:021
418275799378377,1cyclictest253912-21kworker/1:200:20:011
418275799378376,2cyclictest253912-21kworker/1:200:36:021
418275799377376,1cyclictest7907-21kworker/1:021:44:021
418275799377376,1cyclictest141779-21kworker/1:222:22:021
418275799377375,1cyclictest253912-21kworker/1:200:32:021
418275799376375,1cyclictest7907-21kworker/1:022:12:011
418275799376375,1cyclictest158763-21kworker/1:022:44:021
418275799376375,1cyclictest141779-21kworker/1:222:30:021
418275799375374,1cyclictest7907-21kworker/1:021:30:011
418275799375374,1cyclictest158763-21kworker/1:023:36:021
418275799374373,1cyclictest7907-21kworker/1:021:47:021
418275799374373,1cyclictest158763-21kworker/1:023:24:011
418275799374372,1cyclictest253912-21kworker/1:200:09:021
418275799373372,1cyclictest7907-21kworker/1:020:30:021
418275799373372,1cyclictest7907-21kworker/1:020:09:021
418275799372371,1cyclictest7907-21kworker/1:019:50:021
418275799372371,1cyclictest7907-21kworker/1:019:50:011
418275799371370,1cyclictest7907-21kworker/1:021:04:021
418275799371370,1cyclictest4170418-21kworker/1:119:31:021
418275799370369,1cyclictest4170418-21kworker/1:119:38:021
418275799370369,1cyclictest4170418-21kworker/1:119:20:011
418275799369368,1cyclictest4170418-21kworker/1:119:14:021
418275799368367,1cyclictest7907-21kworker/1:020:58:021
418275799368367,1cyclictest7907-21kworker/1:020:04:021
418275799367366,1cyclictest7907-21kworker/1:020:53:011
418275799367366,1cyclictest7907-21kworker/1:019:41:021
418278499366363,2cyclictest129375-21kworker/4:122:19:014
418278499364361,2cyclictest4153337-21kworker/4:021:35:014
418278499362360,1cyclictest129375-21kworker/4:122:27:014
418278499362360,1cyclictest0-21swapper/423:49:014
418278499361358,2cyclictest129375-21kworker/4:122:37:014
418278499361358,2cyclictest129375-21kworker/4:100:05:024
418278499360359,1cyclictest0-21swapper/400:31:024
418278499360358,1cyclictest4153337-21kworker/4:021:13:014
418278499359357,1cyclictest0-21swapper/421:31:014
418278499358356,1cyclictest0-21swapper/422:34:024
418278499357356,1cyclictest4153337-21kworker/4:021:49:024
418278499356355,1cyclictest129375-21kworker/4:123:08:024
418278499356355,1cyclictest129375-21kworker/4:122:53:024
418278499356355,1cyclictest0-21swapper/423:51:014
418278499356353,2cyclictest68348-21kworker/dying21:26:024
418278499355353,1cyclictest4153337-21kworker/4:020:07:024
418278499354353,1cyclictest0-21swapper/423:20:014
418278499354353,1cyclictest0-21swapper/419:45:024
418278499354352,1cyclictest129375-21kworker/4:122:56:014
418278499354352,1cyclictest129375-21kworker/4:100:25:024
418278499354352,1cyclictest0-21swapper/423:14:024
418278499354352,1cyclictest0-21swapper/420:35:024
418278499354351,2cyclictest129375-21kworker/4:100:22:014
418278499353350,2cyclictest129375-21kworker/4:100:11:024
418278499352351,1cyclictest4153337-21kworker/4:021:59:014
418278499352351,1cyclictest0-21swapper/419:25:014
418278499352350,1cyclictest4153337-21kworker/4:021:17:014
418278499352350,1cyclictest4153337-21kworker/4:020:45:014
418278499351350,1cyclictest129375-21kworker/4:100:37:024
418278499351350,1cyclictest0-21swapper/423:02:014
418278499351350,1cyclictest0-21swapper/421:53:024
418278499351350,1cyclictest0-21swapper/420:25:014
418278499351350,1cyclictest0-21swapper/419:19:024
418278499351349,1cyclictest0-21swapper/422:04:014
418278499351349,1cyclictest0-21swapper/421:20:024
418278499351349,1cyclictest0-21swapper/421:20:024
418278499350349,1cyclictest4153337-21kworker/4:019:11:024
418278499350349,1cyclictest129375-21kworker/4:122:23:024
418278499350348,1cyclictest4153337-21kworker/4:020:17:024
418278499350348,1cyclictest4153337-21kworker/4:020:11:024
418278499350348,1cyclictest0-21swapper/423:29:014
418278499349348,1cyclictest4153337-21kworker/4:022:06:014
418278499349348,1cyclictest4153337-21kworker/4:020:41:014
418278499349348,1cyclictest129375-21kworker/4:123:58:014
418278499349348,1cyclictest129375-21kworker/4:123:58:014
418278499349348,1cyclictest0-21swapper/423:37:024
418278499349348,1cyclictest0-21swapper/422:48:024
418278499348347,1cyclictest129375-21kworker/4:123:16:014
418278499346344,1cyclictest4153337-21kworker/4:019:34:014
418278499345344,1cyclictest4153337-21kworker/4:020:31:024
418278499345344,1cyclictest129375-21kworker/4:123:30:024
418278499345344,1cyclictest0-21swapper/400:17:014
418278499344343,1cyclictest129375-21kworker/4:122:40:014
418278499344343,1cyclictest0-21swapper/422:14:014
418278499343342,1cyclictest129375-21kworker/4:123:42:024
418278499343342,1cyclictest0-21swapper/421:05:024
418278499343342,1cyclictest0-21swapper/400:03:024
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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