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2026-01-09 - 04:50
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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 376 highest latencies:
System rack6slot5.osadl.org (updated Fri Jan 09, 2026 00:44:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1478599107645506,5248cyclictest6824-21kworker/0:120:31:550
1478599104565456,4986cyclictest31360-21kworker/0:100:15:020
1478599101925279,4863cyclictest29344-21kworker/0:122:19:070
147859997895214,4564cyclictest6824-21kworker/0:120:16:410
147859997775097,4669cyclictest14894-21kworker/0:022:54:010
147859996925163,4518cyclictest3901-21kworker/0:019:23:180
147859994464854,4581cyclictest27697-21kworker/0:023:48:460
147859994144844,4566cyclictest31360-21kworker/0:100:37:360
147859993874818,4558cyclictest31360-21kworker/0:100:29:120
147859992884772,4512cyclictest27697-21kworker/0:023:32:220
147859992794758,4510cyclictest27697-21kworker/0:023:10:260
147859992334743,4479cyclictest27697-21kworker/0:023:19:100
147859991764712,4453cyclictest19121-21kworker/0:221:46:190
147859991234686,4426cyclictest23748-21kworker/0:223:02:200
147859990894658,4427cyclictest27697-21kworker/0:023:27:580
147859990334652,4370cyclictest22190-21kworker/0:023:56:490
147859990284638,4379cyclictest12164-21kworker/0:222:41:320
147859989324589,4332cyclictest14894-21kworker/0:022:58:120
147859989194598,4316cyclictest19121-21kworker/0:221:06:520
147859989054435,4410cyclictest6824-21kworker/0:120:14:570
147859988474440,4392cyclictest22190-21kworker/0:000:07:220
147859988334551,4278cyclictest18518-21kworker/0:123:52:500
147859987794703,4061cyclictest3901-21kworker/0:019:14:330
147859987664395,4360cyclictest19121-21kworker/0:221:42:160
147859987654513,4241cyclictest20872-21kworker/0:220:08:560
147859987494386,4339cyclictest20872-21kworker/0:219:34:320
147859986874470,4206cyclictest31360-21kworker/0:100:33:190
147859986664560,4102cyclictest20556-21kworker/0:122:03:480
147859985574505,4041cyclictest19121-21kworker/0:221:30:260
147859985204498,4017cyclictest19121-21kworker/0:221:38:180
147859984484260,4184cyclictest19121-21kworker/0:221:26:450
147859982984135,4111cyclictest19121-21kworker/0:221:01:170
147859982024330,3868cyclictest27697-21kworker/0:023:40:380
147859981844385,3747cyclictest19121-21kworker/0:221:53:380
147859981704070,4050cyclictest14829-21kworker/0:020:37:400
147859981254250,3824cyclictest27697-21kworker/0:023:39:130
147859981044347,3742cyclictest20872-21kworker/0:219:47:560
147859981024130,3957cyclictest12164-21kworker/0:222:40:040
147859980864187,3857cyclictest19121-21kworker/0:220:45:370
147859980404220,3806cyclictest14894-21kworker/0:022:48:150
147859979983982,3973cyclictest20872-21kworker/0:219:59:380
147859978393900,3887cyclictest6824-21kworker/0:120:26:250
147859977284265,3449cyclictest6824-21kworker/0:120:22:300
147859977073858,3835cyclictest20872-21kworker/0:219:36:150
147859976914230,3410cyclictest3901-21kworker/0:019:17:280
147859976724017,3604cyclictest19121-21kworker/0:221:21:340
147859976524003,3635cyclictest29344-21kworker/0:122:14:590
147859976394124,3500cyclictest20556-21kworker/0:121:57:430
147859974713720,3700cyclictest20872-21kworker/0:219:28:590
147859971313858,3222cyclictest20872-21kworker/0:219:40:090
147859971293565,3513cyclictest20872-21kworker/0:220:03:230
147859970193738,3277cyclictest31360-21kworker/0:100:16:300
147859968553636,3208cyclictest31360-21kworker/0:100:20:480
147859967613615,3141cyclictest19121-21kworker/0:221:14:380
147859966953614,3005cyclictest19121-21kworker/0:220:57:170
147859966873612,3043cyclictest19121-21kworker/0:221:17:110
147859965223452,3056cyclictest20872-21kworker/0:219:51:520
147859965173425,3005cyclictest14829-21kworker/0:020:41:380
147859963463459,2836cyclictest26770-21kworker/0:022:06:380
147859962383327,2897cyclictest22190-21kworker/0:000:03:540
147859962193399,2768cyclictest27697-21kworker/0:023:22:150
147859962053285,2869cyclictest6188-21kworker/0:022:27:560
147859961793375,2752cyclictest29344-21kworker/0:122:23:490
147859961753368,2747cyclictest27697-21kworker/0:023:09:030
147859961623275,2836cyclictest6188-21kworker/0:022:31:540
147859958523161,2687cyclictest19121-21kworker/0:220:51:150
144102805185,203sleep00-21swapper19:07:250
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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