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2026-02-01 - 17:04
[ 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 #7, 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.

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 20 highest latencies:
System rack7slot3s.osadl.org (updated Sun Feb 01, 2026 12:43:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
826122360,1sleep30-21swapper/307:05:573
909499833,51cyclictest22060-21apt-get09:15:391
311812830,3sleep031180-21sed09:40:290
76412820,7sleep229-21rcuc/207:05:482
9096997631,23cyclictest19526-21ls10:35:492
909499761,47cyclictest0-21swapper/111:15:391
909499751,51cyclictest17627-21apt-get12:00:411
9097997313,6cyclictest0-21swapper/309:15:423
909499733,62cyclictest0-21swapper/107:10:301
909499721,43cyclictest30613-21apt-get08:10:341
909399721,46cyclictest0-21swapper/009:25:390
909799713,10cyclictest0-21swapper/307:10:313
9096997146,20cyclictest0-21swapper/207:10:302
909399711,23cyclictest6403-21cut10:00:470
909499691,46cyclictest4106-21/usr/sbin/munin11:20:571
9096996831,12cyclictest958-21/usr/sbin/munin09:45:452
9093996814,13cyclictest0-21swapper/008:15:410
9093996814,13cyclictest0-21swapper/008:15:410
909499671,46cyclictest3311-21unixbench_singl08:20:551
9094996712,35cyclictest26040-21apt-key10:55:291
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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