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2026-03-13 - 03:30
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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 Fri Mar 13, 2026 00:46:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
822435993800,379cyclictest0-21swapper/320:27:023
822435993800,379cyclictest0-21swapper/320:17:013
822435993800,379cyclictest0-21swapper/319:23:023
822435993790,1cyclictest0-21swapper/320:48:023
82245099375372,2cyclictest901741-21sh21:15:025
82245099369367,1cyclictest0-21swapper/519:45:025
82245099364362,1cyclictest978797-21kworker/5:023:00:015
82245099363361,1cyclictest880182-21kworker/5:121:25:025
82245099363361,1cyclictest0-21swapper/523:16:025
82245099362360,1cyclictest978797-21kworker/5:022:44:015
82245099361360,1cyclictest0-21swapper/522:59:015
82245099361359,1cyclictest0-21swapper/523:10:025
82245099361359,1cyclictest0-21swapper/523:10:025
82245099361358,2cyclictest978797-21kworker/5:022:45:015
82245099360359,1cyclictest880182-21kworker/5:121:59:025
82245099360358,1cyclictest1047732-21kworker/5:223:41:015
82245099360358,1cyclictest0-21swapper/523:54:025
82245099359358,1cyclictest880182-21kworker/5:121:37:015
82245099359358,1cyclictest0-21swapper/521:31:015
82245099359357,1cyclictest0-21swapper/522:28:025
82245099358357,1cyclictest880182-21kworker/5:122:05:015
82245099358357,1cyclictest1047732-21kworker/5:223:22:025
82245099358356,1cyclictest1047732-21kworker/5:223:47:015
82245099358355,3cyclictest1119715-21kworker/5:100:23:015
82245099358355,2cyclictest1047732-21kworker/5:223:39:015
82245099357356,1cyclictest978797-21kworker/5:023:07:025
82245099357356,1cyclictest978797-21kworker/5:022:36:015
82245099357356,1cyclictest880182-21kworker/5:121:43:015
82245099357356,1cyclictest0-21swapper/523:29:025
82245099357356,1cyclictest0-21swapper/519:20:025
82245099357355,1cyclictest880182-21kworker/5:122:03:015
82245099357355,1cyclictest880182-21kworker/5:121:52:025
82245099357355,1cyclictest1047732-21kworker/5:200:14:025
82245099357355,1cyclictest0-21swapper/521:20:025
82245099356355,1cyclictest1047732-21kworker/5:223:34:025
82245099356354,1cyclictest0-21swapper/519:31:015
82245099355354,1cyclictest880182-21kworker/5:121:47:025
82245099355354,1cyclictest880182-21kworker/5:121:47:015
82245099355354,1cyclictest0-21swapper/522:53:015
82245099355354,1cyclictest0-21swapper/500:17:015
82245099355353,1cyclictest880182-21kworker/5:122:21:025
82245099355353,1cyclictest1125925-21kworker/5:000:30:025
82245099355353,1cyclictest1125925-21kworker/5:000:30:015
82245099355353,1cyclictest0-21swapper/520:52:015
82245099355353,1cyclictest0-21swapper/520:31:025
82245099354352,1cyclictest880182-21kworker/5:122:12:025
82245099354352,1cyclictest0-21swapper/520:04:015
82245099353352,1cyclictest880182-21kworker/5:121:12:025
82245099352351,1cyclictest850316-21kworker/5:020:20:025
82245099352351,1cyclictest1088175-21kworker/5:219:40:025
82245099352351,1cyclictest0-21swapper/521:01:025
82245099352350,2cyclictest488-21jbd2/nvme0n1p2-19:11:025
82245099351350,1cyclictest850316-21kworker/5:020:18:025
82245099351350,1cyclictest1088175-21kworker/5:219:16:025
82245099351350,1cyclictest0-21swapper/519:52:025
82245099350349,1cyclictest1088175-21kworker/5:219:37:025
82245099349348,1cyclictest850316-21kworker/5:020:13:025
82245099349347,1cyclictest850316-21kworker/5:020:42:015
82245099349347,1cyclictest0-21swapper/519:29:025
82245099348347,1cyclictest880182-21kworker/5:120:57:025
82245099348347,1cyclictest0-21swapper/520:47:015
82244399348347,1cyclictest930334-21kworker/4:221:51:014
82244399322321,1cyclictest0-21swapper/423:11:014
82244399322321,1cyclictest0-21swapper/423:11:014
82244399318316,1cyclictest0-21swapper/421:46:024
82244399318316,1cyclictest0-21swapper/421:46:024
82244399313312,1cyclictest0-21swapper/423:21:014
82244399313311,1cyclictest0-21swapper/423:26:014
82244399313311,1cyclictest0-21swapper/423:04:024
82244399312311,1cyclictest0-21swapper/423:50:024
82244399312311,1cyclictest0-21swapper/422:52:024
82244399311310,1cyclictest0-21swapper/400:26:024
82244399311310,1cyclictest0-21swapper/400:01:024
82244399311309,1cyclictest0-21swapper/423:05:024
82244399311309,1cyclictest0-21swapper/422:26:024
82244399311309,1cyclictest0-21swapper/422:09:024
82244399311309,1cyclictest0-21swapper/421:40:024
82244399310309,1cyclictest0-21swapper/421:56:014
82244399310308,1cyclictest0-21swapper/422:46:024
82244399310308,1cyclictest0-21swapper/422:30:014
82244399310308,1cyclictest0-21swapper/422:20:014
82244399310308,1cyclictest0-21swapper/421:33:024
82244399309308,1cyclictest0-21swapper/422:55:024
82244399309308,1cyclictest0-21swapper/421:38:024
82244399309308,1cyclictest0-21swapper/400:13:014
82244399308307,1cyclictest0-21swapper/423:42:024
82244399308307,1cyclictest0-21swapper/423:33:014
82244399308307,1cyclictest0-21swapper/421:18:014
82244399308307,1cyclictest0-21swapper/421:04:024
82244399308306,2cyclictest1058616-21kworker/4:100:08:014
82244399307306,1cyclictest983136-21kworker/4:023:18:014
82244399307306,1cyclictest1058616-21kworker/4:100:16:024
82244399307306,1cyclictest0-21swapper/422:15:024
82244399307306,1cyclictest0-21swapper/419:35:024
82244399307305,1cyclictest930334-21kworker/4:222:04:024
82244399305304,1cyclictest0-21swapper/422:35:024
82244399305304,1cyclictest0-21swapper/420:05:024
82244399305304,1cyclictest0-21swapper/419:18:014
82244399305303,1cyclictest930334-21kworker/4:222:10:024
82244399305301,2cyclictest837960-21chrt19:31:024
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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