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2026-08-09 - 20:23
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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 Sun Aug 09, 2026 00:46:38)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
22951999374373,1cyclictest457881-21kworker/5:123:45:025
22951999373372,1cyclictest409408-21kworker/5:022:42:025
22952699371370,1cyclictest0-21swapper/619:50:026
22951999371370,1cyclictest457881-21kworker/5:123:51:025
22951999371370,1cyclictest409408-21kworker/5:023:13:025
22948699370369,1cyclictest0-21swapper/119:37:021
22949799364363,1cyclictest0-21swapper/200:11:022
22948699360359,1cyclictest0-21swapper/120:28:021
22950599358357,1cyclictest0-21swapper/320:45:023
22948699351350,1cyclictest0-21swapper/100:11:021
22951999342341,1cyclictest232440-21kworker/5:219:37:025
22951999333331,1cyclictest232440-21kworker/5:220:28:025
22953499331329,1cyclictest0-21swapper/723:03:027
22953499327322,3cyclictest515199-21kworker/7:100:11:027
22951999325323,1cyclictest0-21swapper/500:11:025
22952699321319,1cyclictest473938-21kworker/6:100:29:026
22952699321319,1cyclictest0-21swapper/622:59:026
22952699320319,1cyclictest0-21swapper/623:19:026
22952699320319,1cyclictest0-21swapper/621:39:026
22952699320317,2cyclictest473938-21kworker/6:123:43:026
22952699319317,1cyclictest248368-21kworker/6:221:45:026
22950599318316,1cyclictest299430-21kworker/3:321:31:023
22950599317315,1cyclictest508712-21kworker/3:200:13:023
22952699315313,1cyclictest0-21swapper/622:19:026
22950599315314,1cyclictest445811-21kworker/3:123:41:023
22952699314313,1cyclictest0-21swapper/623:37:026
22952699314313,1cyclictest0-21swapper/622:09:026
22952699314312,1cyclictest473938-21kworker/6:100:07:026
22950599314313,1cyclictest545761-21kworker/3:100:35:023
22950599314312,1cyclictest299430-21kworker/3:323:05:023
22950599314312,1cyclictest0-21swapper/322:59:023
22950599314312,1cyclictest0-21swapper/321:21:023
22952699313312,1cyclictest0-21swapper/623:23:026
22952699313311,2cyclictest416957-21ssh22:45:026
22950599313312,1cyclictest266425-21kworker/3:020:25:033
22950599313311,1cyclictest0-21swapper/323:19:023
22950599313311,1cyclictest0-21swapper/322:54:123
22952699312310,1cyclictest0-21swapper/623:47:026
22952699312310,1cyclictest0-21swapper/622:23:026
22952699312310,1cyclictest0-21swapper/621:57:026
22952699311310,1cyclictest0-21swapper/622:25:026
22952699311310,1cyclictest0-21swapper/621:27:026
22950599311309,1cyclictest0-21swapper/321:45:023
22952699310309,1cyclictest248368-21kworker/6:223:11:026
22952699310308,1cyclictest248368-21kworker/6:222:03:026
22952699310308,1cyclictest0-21swapper/621:13:036
22952699309307,1cyclictest0-21swapper/619:18:026
22950599309308,1cyclictest275452-21kworker/3:220:31:023
22950599309307,1cyclictest534839-21ssh00:25:023
22950599309307,1cyclictest0-21swapper/320:05:023
22952699308307,1cyclictest473938-21kworker/6:123:57:026
22952699308307,1cyclictest0-21swapper/621:07:026
22952699308307,1cyclictest0-21swapper/621:07:026
22952699308307,1cyclictest0-21swapper/600:20:026
22952699308306,1cyclictest0-21swapper/621:43:026
22952699308306,1cyclictest0-21swapper/619:27:026
22950599308306,1cyclictest445811-21kworker/3:100:03:023
22950599308305,1cyclictest0-21swapper/323:37:023
22950599308305,1cyclictest0-21swapper/322:15:023
22949799308306,1cyclictest229372-21kworker/2:019:50:032
22952699307306,1cyclictest248368-21kworker/6:219:55:026
22952699307306,1cyclictest0-21swapper/620:21:026
22952699307305,1cyclictest0-21swapper/620:17:026
22952699307304,2cyclictest248368-21kworker/6:222:36:026
22952699307304,2cyclictest248368-21kworker/6:222:36:026
22950599307305,1cyclictest0-21swapper/322:09:023
22952699306305,1cyclictest0-21swapper/619:31:026
22952699306305,1cyclictest0-21swapper/619:12:036
22952699306304,1cyclictest0-21swapper/621:54:026
22950599306305,1cyclictest0-21swapper/322:43:023
22950599306304,1cyclictest275452-21kworker/3:220:51:023
22950599306304,1cyclictest0-21swapper/323:23:023
22950599306304,1cyclictest0-21swapper/300:07:023
22950599305304,1cyclictest275452-21kworker/3:220:41:023
22950599305303,1cyclictest0-21swapper/323:47:023
22950599305303,1cyclictest0-21swapper/321:27:023
22952699304302,1cyclictest248368-21kworker/6:222:40:026
22950599304303,1cyclictest266425-21kworker/3:020:11:023
22950599304303,1cyclictest0-21swapper/321:38:023
22950599304302,1cyclictest0-21swapper/322:25:023
22950599304302,1cyclictest0-21swapper/321:57:023
22950599304302,1cyclictest0-21swapper/319:23:023
22950599304301,1cyclictest0-21swapper/323:11:023
22952699303302,1cyclictest0-21swapper/620:00:036
22952699303300,2cyclictest248368-21kworker/6:223:06:026
22952699303300,2cyclictest248368-21kworker/6:221:16:026
22950599303302,1cyclictest0-21swapper/323:04:023
22950599303301,1cyclictest0-21swapper/321:08:023
22950599303301,1cyclictest0-21swapper/321:08:023
22950599303300,2cyclictest840-21rngd23:50:023
22952699302301,1cyclictest473938-21kworker/6:123:52:026
22950599302301,1cyclictest0-21swapper/322:37:023
22950599302301,1cyclictest0-21swapper/322:37:023
22950599302301,1cyclictest0-21swapper/300:33:023
22950599302300,1cyclictest0-21swapper/323:57:013
22950599302300,1cyclictest0-21swapper/322:01:023
22950599302300,1cyclictest0-21swapper/321:13:023
22950599302300,1cyclictest0-21swapper/319:41:023
22950599302300,1cyclictest0-21swapper/319:41:023
22952699301300,1cyclictest0-21swapper/622:30:026
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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