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2026-01-22 - 05:45
[ 290.152] (II) VESA: driver for VESA chipsets: vesa

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #3, slot #3

Rack #0/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #1/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #2/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #3/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #4/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #5/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #6/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #7/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #8/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #9/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #a/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #b/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #c/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #d/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #e/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #f/#0 #1 #2 #3 #4 #5 #6 #7 #8 
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Click here to display the system's profile data or here to proceed to next system.
Click on a legend element to toggle display of that core, ctrl-click inverts display, shift-click enables all.

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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack3slot3s.osadl.org (updated Thu Jan 22, 2026 00:43:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2780878213159,67sleep30-21swapper/319:07:143
278096428756,10sleep10-21swapper/119:08:191
278091328253,22sleep00-21swapper/019:07:380
278074828253,9sleep20-21swapper/219:05:362
2781200992926,1cyclictest0-21swapper/322:54:593
28992802270,1sleep00-21swapper/020:55:560
2781200992723,2cyclictest0-21swapper/320:00:003
2781200992522,1cyclictest0-21swapper/322:25:013
278120099252,17cyclictest3203274-21chrt23:55:213
2781200992311,9cyclictest3258216-21chrt00:27:593
2781200992219,1cyclictest0-21swapper/320:10:153
2781200992218,2cyclictest0-21swapper/319:30:183
278120099221,18cyclictest3250113-21taskset00:23:553
278120099221,17cyclictest3125904-21taskset23:11:513
278120099221,17cyclictest3031289-21taskset22:17:433
278120099219,8cyclictest3151811-21taskset23:26:153
2781200992117,2cyclictest0-21swapper/320:30:573
2781200992117,1cyclictest0-21swapper/322:45:003
278120099211,16cyclictest0-21swapper/300:10:193
31767212201,14sleep03176780-21ntpq23:40:200
2781200992017,1cyclictest0-21swapper/321:55:133
2781200992017,1cyclictest0-21swapper/319:35:163
2781200992017,1cyclictest0-21swapper/300:15:233
278120099201,15cyclictest0-21swapper/323:01:293
278120099201,14cyclictest0-21swapper/319:23:273
278120099201,14cyclictest0-21swapper/300:00:263
2781200991916,1cyclictest0-21swapper/321:40:163
2781200991916,1cyclictest0-21swapper/321:30:133
2781200991915,2cyclictest0-21swapper/323:20:013
278120099191,15cyclictest0-21swapper/323:49:123
278120099191,15cyclictest0-21swapper/322:11:413
278120099191,15cyclictest0-21swapper/300:37:213
278120099191,14cyclictest0-21swapper/323:36:313
278120099191,14cyclictest0-21swapper/323:05:213
278120099191,14cyclictest0-21swapper/300:30:493
278120099191,14cyclictest0-21swapper/300:05:393
278120099191,13cyclictest3050572-21chrt22:30:113
278120099190,16cyclictest0-21swapper/323:40:243
278120099190,16cyclictest0-21swapper/321:22:553
30236832180,4sleep10-21swapper/122:14:181
2781200991815,1cyclictest0-21swapper/321:45:173
2781200991815,1cyclictest0-21swapper/321:10:143
2781200991815,1cyclictest0-21swapper/320:50:153
2781200991815,1cyclictest0-21swapper/319:50:183
278120099181,4cyclictest0-21swapper/323:52:553
2781200991814,2cyclictest0-21swapper/319:40:133
2781200991812,3cyclictest0-21swapper/323:30:433
278120099181,14cyclictest0-21swapper/323:20:033
278120099181,14cyclictest0-21swapper/321:51:283
278120099181,13cyclictest0-21swapper/322:56:543
278120099181,13cyclictest0-21swapper/322:45:113
278120099181,13cyclictest0-21swapper/321:00:143
31816622171,4sleep13181682-21ssh23:45:131
28667272172,4sleep22866775-21ntpq20:25:232
28295752171,10sleep02829613-21ntpq19:50:180
2781200991714,1cyclictest0-21swapper/322:35:163
2781200991714,1cyclictest0-21swapper/321:25:143
278120099171,3cyclictest0-21swapper/322:26:523
278120099171,3cyclictest0-21swapper/322:06:193
278120099171,3cyclictest0-21swapper/319:45:113
278120099171,10cyclictest2874053-21taskset20:35:133
278120099171,10cyclictest2857167-21taskset20:20:103
278120099170,13cyclictest0-21swapper/322:00:213
29531422160,7sleep02953157-21ssh21:33:450
278120099162,11cyclictest0-21swapper/321:05:163
278120099161,9cyclictest2919222-21taskset21:15:063
2781200991613,1cyclictest0-21swapper/320:40:213
2781200991613,1cyclictest0-21swapper/319:10:133
278120099161,12cyclictest0-21swapper/319:25:183
278120099161,11cyclictest2899636-21sleep21:00:013
278120099161,11cyclictest2862699-21chrt20:25:113
278120099161,11cyclictest0-21swapper/320:45:103
278120099161,10cyclictest2959407-21taskset21:35:313
278120099160,12cyclictest0-21swapper/320:05:113
278120099160,10cyclictest2840347-21taskset20:00:243
32601192150,1sleep10-21swapper/100:30:041
32475642150,1sleep20-21swapper/200:20:352
32303692151,1sleep00-21swapper/000:10:580
31858382153,8sleep03185876-21tr23:45:240
31678672151,9sleep13167920-21ld23:35:191
30500312151,4sleep23050043-21sh22:29:502
30348242151,9sleep23036557-21cut22:20:172
30213362151,3sleep23021350-21ssh22:11:192
278120099150,12cyclictest0-21swapper/319:15:023
32531382147,4sleep23253479-21kthreadcore00:25:152
31990692140,2sleep10-21swapper/123:55:111
31600842141,9sleep23160098-21ssh23:30:392
31072342141,9sleep23107311-21cat23:00:242
30843312140,2sleep10-21swapper/122:49:141
29685772141,9sleep02968592-21ssh21:40:580
29507112141,9sleep12950718-21ssh21:30:371
29149272141,8sleep02914971-21ssh21:10:220
28313872141,8sleep02832674-21cut19:55:150
278120099140,11cyclictest0-21swapper/320:15:103
32753172130,1sleep20-21swapper/200:37:332
32554572131,3sleep13255513-21ssh00:25:181
32389292130,9sleep23238942-21ssh00:15:492
31240972131,8sleep23124163-21ld23:10:182
31010052131,8sleep23101018-21rm22:58:202
30916182131,8sleep23091629-21ssh22:52:232
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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