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2026-07-27 - 12:56
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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 Mon Jul 27, 2026 00:46:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
410226999381379,1cyclictest196972-21kworker/7:100:31:027
410226999381379,1cyclictest128924-21kworker/7:123:31:037
4102269993810,380cyclictest0-21swapper/723:39:037
410226999380379,1cyclictest4192304-21kworker/7:021:56:027
410226999380378,1cyclictest196972-21kworker/7:100:24:037
410226999380378,1cyclictest156316-21kworker/7:221:23:027
410226999380378,1cyclictest156316-21kworker/7:219:10:017
4102269993800,379cyclictest0-21swapper/720:16:017
4102269993800,1cyclictest0-21swapper/722:41:017
4102269993800,1cyclictest0-21swapper/700:16:027
410226999379377,1cyclictest156316-21kworker/7:221:11:017
4102269993790,379cyclictest0-21swapper/722:12:037
410226999378376,1cyclictest156316-21kworker/7:219:25:027
410226999378376,1cyclictest156316-21kworker/7:219:21:027
410226999378376,1cyclictest128924-21kworker/7:123:15:027
410226999377376,1cyclictest4192304-21kworker/7:021:38:027
410226999377375,1cyclictest156316-21kworker/7:221:00:017
410226999377375,1cyclictest156316-21kworker/7:221:00:017
410226999376374,1cyclictest156316-21kworker/7:219:43:017
410226999374373,1cyclictest156316-21kworker/7:220:39:027
410226999374373,1cyclictest156316-21kworker/7:220:03:027
410226999374373,1cyclictest156316-21kworker/7:219:47:017
410226999374373,1cyclictest0-21swapper/719:17:017
410226999373372,1cyclictest156316-21kworker/7:221:06:017
410226999373372,1cyclictest156316-21kworker/7:220:44:017
410226999373372,1cyclictest156316-21kworker/7:219:30:537
410226999373372,1cyclictest156316-21kworker/7:219:30:527
410226999373371,1cyclictest156316-21kworker/7:219:56:027
410226999372371,1cyclictest156316-21kworker/7:220:49:017
410226999372371,1cyclictest156316-21kworker/7:220:23:017
409983223630,5sleep20-21swapper/219:05:132
410224899349348,1cyclictest0-21swapper/400:30:014
410224899348347,1cyclictest136879-21kworker/4:020:15:014
410224899347346,1cyclictest0-21swapper/422:17:024
410224899347345,1cyclictest21112-21kworker/4:122:04:024
410224899346345,1cyclictest21112-21kworker/4:122:37:014
410224899346345,1cyclictest0-21swapper/423:51:024
410224899346345,1cyclictest0-21swapper/422:40:024
410224899346345,1cyclictest0-21swapper/422:28:024
410224899346345,1cyclictest0-21swapper/422:28:014
410224899345344,1cyclictest21112-21kworker/4:100:28:034
410224899345344,1cyclictest21112-21kworker/4:100:14:024
410224899345344,1cyclictest21112-21kworker/4:100:05:024
410224899345344,1cyclictest136879-21kworker/4:021:25:024
410224899345344,1cyclictest0-21swapper/421:53:014
410224899345344,1cyclictest0-21swapper/400:23:034
410224899345343,1cyclictest0-21swapper/422:47:024
410224899344343,1cyclictest21112-21kworker/4:122:31:024
410224899344343,1cyclictest0-21swapper/421:21:024
410224899344342,1cyclictest21112-21kworker/4:100:35:024
410224899343342,1cyclictest21112-21kworker/4:122:07:024
410224899343342,1cyclictest0-21swapper/423:36:024
410224899343341,1cyclictest21112-21kworker/4:122:10:034
410224899342341,1cyclictest21112-21kworker/4:123:57:034
410224899342341,1cyclictest21112-21kworker/4:123:22:024
410224899342341,1cyclictest136879-21kworker/4:021:40:024
410224899342341,1cyclictest0-21swapper/423:11:024
410224899342341,1cyclictest0-21swapper/422:51:024
410224899342341,1cyclictest0-21swapper/421:10:014
410224899342341,1cyclictest0-21swapper/419:55:024
410224899342340,2cyclictest21112-21kworker/4:123:02:034
410224899342340,1cyclictest136879-21kworker/4:021:39:014
410224899342340,1cyclictest136879-21kworker/4:020:35:024
410224899342340,1cyclictest0-21swapper/400:18:014
410224899341340,1cyclictest136879-21kworker/4:021:30:014
410224899341340,1cyclictest136879-21kworker/4:021:05:014
410224899341340,1cyclictest0-21swapper/421:18:024
410224899341340,1cyclictest0-21swapper/420:42:014
410224899341340,1cyclictest0-21swapper/419:18:024
410224899341339,1cyclictest136879-21kworker/4:020:55:024
410224899341339,1cyclictest0-21swapper/400:04:014
410224899340339,1cyclictest0-21swapper/422:57:024
410224899340339,1cyclictest0-21swapper/420:05:024
410224899340338,1cyclictest136879-21kworker/4:019:50:014
410224899339338,1cyclictest21112-21kworker/4:123:42:024
410224899339338,1cyclictest21112-21kworker/4:123:08:024
410224899338337,1cyclictest21112-21kworker/4:121:57:014
410224899338337,1cyclictest136879-21kworker/4:020:21:014
410222299338336,1cyclictest97550irq/166-enp0s3123:58:031
410222299338336,1cyclictest0-21swapper/123:04:021
410224899337336,1cyclictest136879-21kworker/4:020:25:014
410224899337336,1cyclictest0-21swapper/420:13:024
410224899337336,1cyclictest0-21swapper/420:00:024
410224899337336,1cyclictest0-21swapper/419:45:014
410224899336335,1cyclictest0-21swapper/419:31:024
410224899336335,1cyclictest0-21swapper/419:31:014
410224899336334,1cyclictest0-21swapper/419:38:014
410224899336334,1cyclictest0-21swapper/419:23:024
410224899336334,1cyclictest0-21swapper/419:11:024
410224899335334,1cyclictest136879-21kworker/4:019:27:024
410224899334333,1cyclictest136879-21kworker/4:019:44:014
410222299334332,2cyclictest97550irq/166-enp0s3123:10:011
410224899333332,1cyclictest136879-21kworker/4:021:02:014
410224899333332,1cyclictest136879-21kworker/4:021:02:014
410222299332330,2cyclictest161658-21kworker/u16:223:44:021
410222299331329,1cyclictest4148208-21kworker/1:022:05:021
410222299331328,3cyclictest179382-21kworker/1:200:07:021
410222299331328,2cyclictest4148208-21kworker/1:021:47:021
410222299330329,1cyclictest4148208-21kworker/1:021:14:021
410222299330328,1cyclictest4148208-21kworker/1:022:24:011
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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