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2026-02-28 - 10:46
[ 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 #0, slot #5

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 20 highest latencies:
System rack0slot5s.osadl.org (updated Sat Feb 28, 2026 00:45:59)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2875002359311,13sleep00-21swapper/019:06:050
2876092358333,13sleep140-21swapper/1419:07:406
2875862349342,4sleep100-21swapper/1019:07:192
2877072347341,4sleep70-21swapper/719:09:1013
2874882347323,12sleep50-21swapper/519:05:5411
2875772342317,12sleep10-21swapper/119:07:101
2875702342317,13sleep110-21swapper/1119:07:043
2877572341316,14sleep40-21swapper/419:09:5410
2877082338313,18sleep80-21swapper/819:09:1014
2876592336311,13sleep130-21swapper/1319:08:275
2876272336309,14sleep150-21swapper/1519:07:567
2876152336310,14sleep30-21swapper/319:07:449
2876752334310,13sleep90-21swapper/919:08:3915
2876522334309,13sleep60-21swapper/619:08:2012
2877292332306,13sleep120-21swapper/1219:09:304
2876682330305,13sleep20-21swapper/219:08:318
288197995617,14cyclictest3689951-21CPU7
6616532490,0sleep150-21swapper/1523:54:597
6793942460,0sleep50-21swapper/500:05:1311
6604182460,0sleep30-21swapper/323:50:149
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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