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2026-03-23 - 18:10
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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 Mar 23, 2026 12:46:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
59112924900,5sleep763-21ksoftirqd/707:05:157
59323199375374,1cyclictest792999-21kworker/4:209:40:024
59323199373371,1cyclictest792999-21kworker/4:209:25:024
59323199372371,1cyclictest792999-21kworker/4:210:25:024
59323199372370,1cyclictest792999-21kworker/4:210:40:024
59323199371370,1cyclictest792999-21kworker/4:207:45:024
59323199371370,1cyclictest792999-21kworker/4:207:45:024
59323199371369,1cyclictest792999-21kworker/4:210:15:024
59323199371368,2cyclictest792999-21kworker/4:207:50:034
59323199370369,1cyclictest792999-21kworker/4:209:58:024
59323199370369,1cyclictest792999-21kworker/4:207:32:024
59323199370368,1cyclictest792999-21kworker/4:211:55:024
59323199369368,1cyclictest792999-21kworker/4:212:33:024
59323199369368,1cyclictest792999-21kworker/4:208:25:024
59323199368367,1cyclictest792999-21kworker/4:212:14:024
59323199368366,1cyclictest792999-21kworker/4:211:54:024
59323199368366,1cyclictest792999-21kworker/4:211:17:024
59323199368366,1cyclictest792999-21kworker/4:210:34:024
59323199368366,1cyclictest792999-21kworker/4:209:36:024
59323199368366,1cyclictest792999-21kworker/4:208:41:024
59323199368366,1cyclictest792999-21kworker/4:208:38:024
59323199367366,1cyclictest792999-21kworker/4:212:39:024
59323199367366,1cyclictest792999-21kworker/4:211:23:024
59323199367366,1cyclictest792999-21kworker/4:210:56:024
59323199367366,1cyclictest792999-21kworker/4:210:21:024
59323199367366,1cyclictest792999-21kworker/4:209:53:024
59323199367366,1cyclictest792999-21kworker/4:208:52:024
59323199366365,1cyclictest792999-21kworker/4:211:26:034
59323199366364,1cyclictest792999-21kworker/4:212:21:024
59323199366364,1cyclictest792999-21kworker/4:210:11:034
59323199366364,1cyclictest792999-21kworker/4:209:16:024
59323199366364,1cyclictest792999-21kworker/4:209:16:024
59323199365364,1cyclictest792999-21kworker/4:211:44:024
59323199365364,1cyclictest792999-21kworker/4:209:31:024
59323199365364,1cyclictest792999-21kworker/4:209:02:024
59323199365363,1cyclictest792999-21kworker/4:208:56:024
59323199364363,1cyclictest792999-21kworker/4:211:46:024
59325399354351,1cyclictest690299-21kworker/7:110:28:027
59322499352349,1cyclictest0-21swapper/310:28:023
59321699324323,1cyclictest672253-21kworker/2:109:35:022
59321699318317,1cyclictest672253-21kworker/2:112:34:022
59321699318317,1cyclictest672253-21kworker/2:109:30:022
59321699317315,1cyclictest892510-21kworker/2:207:19:022
59321699316314,1cyclictest672253-21kworker/2:111:40:022
59321699316314,1cyclictest606070-21kworker/2:007:30:022
59321699315314,1cyclictest672253-21kworker/2:111:20:022
59321699315314,1cyclictest0-21swapper/210:46:022
59321699315314,1cyclictest0-21swapper/210:46:022
59321699315314,1cyclictest0-21swapper/208:40:022
59321699315313,1cyclictest0-21swapper/210:30:022
59321699315312,2cyclictest672253-21kworker/2:109:43:022
59321699314313,1cyclictest672253-21kworker/2:109:55:022
59321699314313,1cyclictest642165-21kworker/2:008:58:022
59321699314312,1cyclictest672253-21kworker/2:112:04:022
59321699314312,1cyclictest642165-21kworker/2:009:18:022
59321699314312,1cyclictest642165-21kworker/2:009:18:022
59321699314312,1cyclictest606070-21kworker/2:007:53:022
59321699313312,1cyclictest672253-21kworker/2:111:56:022
59321699313312,1cyclictest672253-21kworker/2:111:18:022
59321699313312,1cyclictest672253-21kworker/2:110:29:022
59321699313312,1cyclictest642165-21kworker/2:008:54:022
59321699313312,1cyclictest623743-21kworker/2:108:27:022
59321699313311,1cyclictest672253-21kworker/2:111:31:022
59321699313311,1cyclictest642165-21kworker/2:009:13:022
59321699312311,1cyclictest672253-21kworker/2:112:11:022
59321699312311,1cyclictest672253-21kworker/2:109:51:022
59321699312311,1cyclictest642165-21kworker/2:009:03:022
59321699312311,1cyclictest623743-21kworker/2:108:07:022
59321699312311,1cyclictest623743-21kworker/2:108:01:032
59321699312311,1cyclictest606070-21kworker/2:007:42:022
59321699312311,1cyclictest0-21swapper/211:05:022
59321699312310,1cyclictest642165-21kworker/2:009:07:022
59321699311310,1cyclictest892510-21kworker/2:207:29:022
59321699311310,1cyclictest892510-21kworker/2:207:21:022
59321699311310,1cyclictest672253-21kworker/2:112:22:022
59321699311310,1cyclictest672253-21kworker/2:110:36:032
59321699311310,1cyclictest0-21swapper/212:38:022
59321699311310,1cyclictest0-21swapper/211:12:022
59321699311309,1cyclictest0-21swapper/212:06:022
59321699310309,1cyclictest672253-21kworker/2:112:26:022
59321699310309,1cyclictest672253-21kworker/2:111:52:022
59321699310309,1cyclictest672253-21kworker/2:110:16:022
59321699310309,1cyclictest672253-21kworker/2:110:06:022
59321699310309,1cyclictest672253-21kworker/2:109:23:022
59321699310309,1cyclictest0-21swapper/208:17:022
59321699309308,1cyclictest623743-21kworker/2:108:24:022
59325399294293,1cyclictest690299-21kworker/7:111:32:027
59322499292291,1cyclictest0-21swapper/311:32:023
59324599288287,1cyclictest0-21swapper/609:35:026
59324599285283,1cyclictest97550irq/166-enp0s3107:16:026
59324599282281,1cyclictest0-21swapper/612:34:026
59324599282281,1cyclictest0-21swapper/609:30:026
59324599279278,1cyclictest720317-21kworker/6:310:46:026
59324599279278,1cyclictest720317-21kworker/6:310:46:026
59324599279278,1cyclictest630140-21kworker/6:008:40:026
59324599279278,1cyclictest0-21swapper/611:40:026
59324599279278,1cyclictest0-21swapper/607:30:026
59324599279277,1cyclictest0-21swapper/609:55:026
59324599278277,1cyclictest0-21swapper/611:20:026
59324599278277,1cyclictest0-21swapper/608:58:026
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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