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2026-01-23 - 21:03
[ 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 #1, slot #6

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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  Intel
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
Compare latency of primary with shadow system
Characteristics of the 50 highest latencies:
System rack1slot6s.osadl.org (updated Fri Jan 23, 2026 12:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2325121090,4sleep023254-21grep11:01:320
290229910134,13cyclictest0-21swapper/011:16:280
290299910039,8cyclictest30205-21ssh08:41:362
29022999841,13cyclictest0-21swapper/011:36:230
29022999736,8cyclictest12148-21tail10:46:260
29022999641,11cyclictest0-21swapper/009:46:060
29022999641,11cyclictest0-21swapper/009:46:060
2902299934,43cyclictest0-21swapper/008:41:520
248599930,4rtkit-daemon2484-21rtkit-daemon12:00:453
2902299923,22cyclictest0-21swapper/010:25:030
248599880,5rtkit-daemon2484-21rtkit-daemon08:47:533
248599880,4rtkit-daemon2484-21rtkit-daemon10:36:191
248599880,12rtkit-daemon2484-21rtkit-daemon08:57:301
120282880,5sleep1201ktimersoftd/109:51:511
248599870,12rtkit-daemon2484-21rtkit-daemon11:01:251
248599860,12rtkit-daemon2484-21rtkit-daemon09:35:061
248599850,4rtkit-daemon2484-21rtkit-daemon11:40:311
248599850,12rtkit-daemon2484-21rtkit-daemon07:18:423
248599840,12rtkit-daemon2484-21rtkit-daemon11:22:543
248599840,12rtkit-daemon2484-21rtkit-daemon06:31:363
248599820,9rtkit-daemon2484-21rtkit-daemon09:07:523
248599820,12rtkit-daemon2484-21rtkit-daemon08:15:473
248599810,5rtkit-daemon2484-21rtkit-daemon09:33:293
248599810,4rtkit-daemon2484-21rtkit-daemon09:03:221
248599810,4rtkit-daemon2484-21rtkit-daemon08:36:381
248599810,11rtkit-daemon2484-21rtkit-daemon08:35:543
248599810,11rtkit-daemon2484-21rtkit-daemon08:08:173
248599800,4rtkit-daemon2484-21rtkit-daemon09:03:453
248599790,5rtkit-daemon2484-21rtkit-daemon10:13:423
2902299784,13cyclictest0-21swapper/009:44:490
248599770,4rtkit-daemon2484-21rtkit-daemon11:06:103
248599740,8rtkit-daemon0-21swapper/311:41:241
248599720,6rtkit-daemon0-21swapper/309:16:290
248599720,4rtkit-daemon2484-21rtkit-daemon07:54:250
29022996940,13cyclictest0-21swapper/009:01:220
29022996939,13cyclictest0-21swapper/010:14:180
248599690,5rtkit-daemon2484-21rtkit-daemon08:23:090
248599690,5rtkit-daemon2484-21rtkit-daemon07:58:470
248599690,5rtkit-daemon2484-21rtkit-daemon07:23:260
2903099684,54cyclictest20710-21ssh09:16:233
2902999684,56cyclictest0-21swapper/210:36:222
29022996842,9cyclictest21872-21turbostat10:11:010
248599680,7rtkit-daemon0-21swapper/010:11:571
248599680,6rtkit-daemon14139-21fschecks_time09:06:221
248599680,5rtkit-daemon0-21swapper/307:44:261
248599670,6rtkit-daemon20098-21unixbench-2d07:16:421
248599670,6rtkit-daemon0-21swapper/308:08:321
248599670,5rtkit-daemon0-21swapper/306:34:581
248599670,4rtkit-daemon2484-21rtkit-daemon09:35:290
248599670,4rtkit-daemon22848-21ssh11:50:011
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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