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2026-08-21 - 13:45
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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 Aug 21, 2026 00:46:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
33697699378377,1cyclictest0-21swapper/121:34:021
33697699378377,1cyclictest0-21swapper/121:15:021
33697699373372,1cyclictest0-21swapper/120:30:031
33699699368366,1cyclictest427523-21kworker/3:123:32:153
33697699367365,1cyclictest0-21swapper/121:25:021
33697699365364,1cyclictest0-21swapper/122:53:021
33702599362361,1cyclictest0-21swapper/723:32:157
33697699360359,1cyclictest0-21swapper/121:49:021
33697699358357,1cyclictest0-21swapper/123:37:021
33534723480,5sleep442-21ksoftirqd/419:05:184
33701099344343,1cyclictest472668-21kworker/5:322:17:025
33701099335334,1cyclictest548580-21kworker/5:000:34:025
33701099333332,1cyclictest548580-21kworker/5:000:23:025
33701099329328,1cyclictest548580-21kworker/5:023:51:025
33701099328327,1cyclictest548580-21kworker/5:023:29:025
33701099328326,1cyclictest472668-21kworker/5:322:45:025
33701099325324,1cyclictest606828-21kworker/5:119:15:025
33701099324321,2cyclictest548580-21kworker/5:023:41:025
33701099322321,1cyclictest548580-21kworker/5:023:11:025
33701099322321,1cyclictest449518-21kworker/5:222:01:025
33701099322320,1cyclictest606828-21kworker/5:120:35:025
33701099321319,1cyclictest606828-21kworker/5:121:33:025
33701099319318,1cyclictest606828-21kworker/5:120:27:025
33701099319317,1cyclictest472668-21kworker/5:322:25:025
33701099318316,1cyclictest548580-21kworker/5:023:35:025
33701099318316,1cyclictest472668-21kworker/5:322:09:025
33701099317316,1cyclictest0-21swapper/519:50:025
33701099317316,1cyclictest0-21swapper/500:19:025
33701099317314,2cyclictest548580-21kworker/5:000:27:025
33701099316315,1cyclictest472668-21kworker/5:322:24:025
33701099316314,1cyclictest548580-21kworker/5:023:55:025
33701099316314,1cyclictest548580-21kworker/5:023:45:025
33701099315314,1cyclictest472668-21kworker/5:322:59:025
33701099315313,2cyclictest472668-21kworker/5:322:43:025
33701099315313,1cyclictest606828-21kworker/5:121:43:025
33701099315313,1cyclictest606828-21kworker/5:119:55:025
33701099315313,1cyclictest606828-21kworker/5:119:25:025
33701099315313,1cyclictest548580-21kworker/5:000:07:025
33701099315313,1cyclictest449518-21kworker/5:221:53:025
33701099314313,1cyclictest606828-21kworker/5:121:27:025
33701099314313,1cyclictest0-21swapper/520:48:025
33701099314312,1cyclictest606828-21kworker/5:120:19:025
33701099314312,1cyclictest548580-21kworker/5:000:37:015
33701099313311,1cyclictest606828-21kworker/5:120:55:025
33701099312311,1cyclictest606828-21kworker/5:121:45:025
33701099312311,1cyclictest0-21swapper/500:03:025
33701099312310,1cyclictest548580-21kworker/5:023:33:025
33701099311309,2cyclictest606828-21kworker/5:120:43:025
33701099311309,1cyclictest606828-21kworker/5:119:43:025
33701099311309,1cyclictest0-21swapper/521:20:025
33701099310308,1cyclictest606828-21kworker/5:120:31:025
33701099310308,1cyclictest606828-21kworker/5:120:13:025
33701099310308,1cyclictest606828-21kworker/5:119:37:025
33701099310308,1cyclictest606828-21kworker/5:119:37:025
33701099309308,1cyclictest606828-21kworker/5:121:12:025
33701099309307,2cyclictest472668-21kworker/5:322:52:025
33701099309307,1cyclictest0-21swapper/521:09:025
33701099308307,1cyclictest606828-21kworker/5:120:51:025
33701099308307,1cyclictest606828-21kworker/5:120:03:025
33701099308307,1cyclictest606828-21kworker/5:119:21:025
33701099308306,1cyclictest606828-21kworker/5:121:35:025
33701099308306,1cyclictest548580-21kworker/5:023:17:025
33701099307305,1cyclictest472668-21kworker/5:323:05:025
33701099307305,1cyclictest0-21swapper/522:14:025
33701099306304,2cyclictest472668-21kworker/5:322:34:025
33701099305304,1cyclictest472668-21kworker/5:323:04:025
33701099304303,1cyclictest606828-21kworker/5:121:01:025
33701099304303,1cyclictest606828-21kworker/5:120:20:025
33701099304302,1cyclictest606828-21kworker/5:120:09:025
33701099304302,1cyclictest449518-21kworker/5:221:55:025
33701099303302,1cyclictest606828-21kworker/5:119:45:025
33701099303302,1cyclictest548580-21kworker/5:000:12:015
33701099302301,1cyclictest606828-21kworker/5:119:32:025
33701099302300,1cyclictest472668-21kworker/5:322:37:025
33701099301300,1cyclictest606828-21kworker/5:119:10:025
33701099300298,1cyclictest548580-21kworker/5:023:24:025
33701099299297,1cyclictest606828-21kworker/5:121:16:025
33699699297296,1cyclictest0-21swapper/300:01:023
33699699296294,1cyclictest0-21swapper/300:11:023
33702599292291,1cyclictest532247-21kworker/7:200:01:027
33702599291289,2cyclictest532247-21kworker/7:200:11:027
33699699289287,1cyclictest0-21swapper/321:18:023
33697199286284,1cyclictest0-21swapper/022:25:020
33702599283282,1cyclictest391893-21kworker/7:221:18:027
33697199282281,1cyclictest639000-21kworker/0:100:21:020
33697199282279,2cyclictest639000-21kworker/0:123:39:020
33697199281280,1cyclictest639000-21kworker/0:123:55:020
33697199281279,1cyclictest0-21swapper/023:21:020
33697199280279,1cyclictest639000-21kworker/0:123:53:020
33697199280279,1cyclictest639000-21kworker/0:121:31:020
33697199280279,1cyclictest0-21swapper/022:43:020
33697199280279,1cyclictest0-21swapper/021:43:020
33697199280279,1cyclictest0-21swapper/019:25:020
33697199280279,1cyclictest0-21swapper/000:07:020
33697199280278,1cyclictest639000-21kworker/0:122:07:020
33697199280278,1cyclictest0-21swapper/000:37:020
33697199279277,1cyclictest639000-21kworker/0:122:12:020
33697199278277,1cyclictest0-21swapper/022:30:020
33697199278277,1cyclictest0-21swapper/021:28:030
33697199278276,1cyclictest639000-21kworker/0:123:49:020
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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