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2026-03-14 - 10:20
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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 Sat Mar 14, 2026 00:46:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
118559399332331,1cyclictest0-21swapper/223:42:022
118559399326325,1cyclictest0-21swapper/221:11:022
118559399323322,1cyclictest0-21swapper/223:07:022
118559399322321,1cyclictest0-21swapper/222:55:022
118559399322320,1cyclictest0-21swapper/222:48:022
118559399322320,1cyclictest0-21swapper/222:21:022
118559399322319,2cyclictest1437999-21kworker/2:219:15:022
118559399321320,1cyclictest0-21swapper/223:17:022
118559399321320,1cyclictest0-21swapper/223:17:022
118559399321320,1cyclictest0-21swapper/221:40:022
118559399321319,1cyclictest0-21swapper/200:25:022
118559399320319,1cyclictest0-21swapper/223:01:022
118559399319317,1cyclictest0-21swapper/200:00:022
118559399318317,1cyclictest0-21swapper/200:15:022
118559399318316,1cyclictest1326394-21kworker/2:023:56:022
118559399318316,1cyclictest0-21swapper/222:42:022
118557499318317,1cyclictest0-21swapper/023:51:020
118559399317316,1cyclictest1326394-21kworker/2:023:45:022
118559399317314,2cyclictest1447589-21kworker/2:200:12:022
118559399316315,1cyclictest1447589-21kworker/2:200:24:022
118559399316315,1cyclictest1326394-21kworker/2:023:53:022
118559399316315,1cyclictest1326394-21kworker/2:022:15:022
118559399316315,1cyclictest0-21swapper/221:18:022
118559399315314,1cyclictest1437999-21kworker/2:221:50:022
118559399315314,1cyclictest1437999-21kworker/2:221:50:022
118559399315314,1cyclictest1437999-21kworker/2:219:35:022
118559399315313,2cyclictest1437999-21kworker/2:219:54:022
118559399315313,1cyclictest1326394-21kworker/2:023:34:022
118559399314313,1cyclictest1447589-21kworker/2:200:31:022
118559399314313,1cyclictest1437999-21kworker/2:220:05:022
118559399314313,1cyclictest0-21swapper/223:39:022
118559399314313,1cyclictest0-21swapper/223:24:022
118559399314313,1cyclictest0-21swapper/223:11:022
118559399314313,1cyclictest0-21swapper/222:50:022
118559399314313,1cyclictest0-21swapper/220:45:022
118559399314312,1cyclictest0-21swapper/222:02:022
118559399314312,1cyclictest0-21swapper/220:50:022
118559399314312,1cyclictest0-21swapper/220:35:022
118559399313312,1cyclictest1437999-21kworker/2:221:35:032
118559399313312,1cyclictest1326394-21kworker/2:022:32:022
118559399313312,1cyclictest0-21swapper/222:37:022
118559399313312,1cyclictest0-21swapper/221:32:022
118559399313312,1cyclictest0-21swapper/221:26:022
118559399313312,1cyclictest0-21swapper/220:30:022
118559399313312,1cyclictest0-21swapper/220:25:022
118559399313311,1cyclictest1447589-21kworker/2:200:37:022
118559399312311,1cyclictest0-21swapper/220:19:022
118559399312311,1cyclictest0-21swapper/220:11:022
118559399312311,1cyclictest0-21swapper/219:28:022
118559399312310,1cyclictest1437999-21kworker/2:221:23:022
118559399312310,1cyclictest0-21swapper/220:56:022
118559399311310,1cyclictest1447589-21kworker/2:200:09:022
118559399311310,1cyclictest0-21swapper/221:09:022
118559399311310,1cyclictest0-21swapper/221:03:022
118559399311310,1cyclictest0-21swapper/220:24:022
118559399311310,1cyclictest0-21swapper/220:24:022
118559399311310,1cyclictest0-21swapper/219:22:022
118559399311309,1cyclictest0-21swapper/219:42:022
118560799310309,1cyclictest1428975-21kworker/4:123:51:024
118559399310309,1cyclictest1437999-21kworker/2:221:57:022
118559399310309,1cyclictest0-21swapper/220:44:022
118559399309308,1cyclictest1437999-21kworker/2:219:14:022
118559399307305,1cyclictest1437999-21kworker/2:219:33:022
118559399305304,1cyclictest1437999-21kworker/2:219:47:032
118557499303302,1cyclictest0-21swapper/020:42:020
118562299300299,1cyclictest0-21swapper/619:27:026
118560799295294,1cyclictest2493504-21kworker/4:220:42:024
118557499289287,1cyclictest0-21swapper/000:07:010
118559999284282,1cyclictest1275216-21kworker/3:122:26:023
118560799282280,1cyclictest1450959-21kworker/4:000:07:024
118559999280278,1cyclictest0-21swapper/319:15:023
118559999277276,1cyclictest1393912-21kworker/3:223:49:023
118559999277276,1cyclictest0-21swapper/300:29:023
118559999276275,1cyclictest1275216-21kworker/3:122:45:023
118559999276275,1cyclictest0-21swapper/323:41:023
118559999276275,1cyclictest0-21swapper/300:06:023
118559999276273,2cyclictest1393912-21kworker/3:200:18:023
118557499276275,1cyclictest1225527-21kworker/0:223:14:020
118557499276273,1cyclictest0-21swapper/019:15:020
118559999275274,1cyclictest0-21swapper/323:35:023
118559999275273,1cyclictest0-21swapper/322:23:023
118559999274273,1cyclictest0-21swapper/322:35:023
118559999274272,1cyclictest0-21swapper/321:48:023
118559999273272,1cyclictest1275216-21kworker/3:122:05:023
118559999273272,1cyclictest1275216-21kworker/3:121:33:023
118559999273271,1cyclictest1275216-21kworker/3:121:27:023
118559999273271,1cyclictest0-21swapper/322:17:023
118559999273270,2cyclictest1275216-21kworker/3:122:58:023
118559999272271,1cyclictest1275216-21kworker/3:121:44:023
118559999272271,1cyclictest0-21swapper/323:30:023
118559999272271,1cyclictest0-21swapper/321:52:023
118559999272271,1cyclictest0-21swapper/321:52:023
118559999272271,1cyclictest0-21swapper/320:55:023
118559999272270,1cyclictest1243566-21kworker/3:021:21:023
118559999272270,1cyclictest0-21swapper/323:05:023
118559999272270,1cyclictest0-21swapper/322:03:023
118557499272271,1cyclictest1405997-21kworker/0:119:40:020
118559999271270,1cyclictest1393912-21kworker/3:223:18:023
118559999271270,1cyclictest1393912-21kworker/3:223:18:023
118559999271270,1cyclictest0-21swapper/322:31:023
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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