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2026-01-19 - 16:06
[ 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 #8, slot #4

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 50 highest latencies:
System rack8slot4s.osadl.org (updated Mon Jan 19, 2026 12:44:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2591552233170,20sleep40-21swapper/407:07:424
2592672226174,17sleep50-21swapper/507:09:205
2592142218181,24sleep70-21swapper/707:08:337
2590792214173,26sleep20-21swapper/207:06:362
2592082212178,22sleep30-21swapper/307:08:303
2591692210178,21sleep00-21swapper/007:07:530
2591012210184,16sleep60-21swapper/607:06:566
2590402209176,21sleep10-21swapper/107:06:021
25973599263,22cyclictest0-21swapper/711:30:007
25971699260,25cyclictest0-21swapper/110:55:111
25973599250,23cyclictest341698-21apt-get09:30:127
25972699250,1cyclictest0-21swapper/411:15:004
259716992522,2cyclictest0-21swapper/109:30:121
25971699250,0cyclictest0-21swapper/110:10:121
259735992422,1cyclictest358852-21apt-get10:00:117
259732992422,0cyclictest0-21swapper/611:15:136
259732992420,3cyclictest315290-21idleruntime-cro08:45:016
259730992420,4cyclictest0-21swapper/511:55:105
259726992422,1cyclictest0-21swapper/411:34:594
25972699240,2cyclictest364699-21gdbus10:10:004
25972699240,23cyclictest289527-21munin-run08:00:004
25972699240,1cyclictest0-21swapper/409:10:124
259716992420,4cyclictest0-21swapper/110:15:121
259709992424,0cyclictest0-21swapper/007:50:110
25970999240,23cyclictest0-21swapper/009:00:010
259735992321,1cyclictest413335-21updatedb.plocat11:32:587
25973599230,22cyclictest393233-21munin-run10:59:597
25973599230,22cyclictest0-21swapper/709:35:107
25973599230,22cyclictest0-21swapper/709:15:007
259723992322,1cyclictest0-21swapper/310:55:113
259723992321,1cyclictest341698-21apt-get09:30:123
259723992321,1cyclictest0-21swapper/311:30:123
25972399230,22cyclictest0-21swapper/311:20:003
25972399230,22cyclictest0-21swapper/310:40:123
25972399230,22cyclictest0-21swapper/310:10:123
25972399230,22cyclictest0-21swapper/308:30:103
259719992322,1cyclictest0-21swapper/211:15:132
25971999230,22cyclictest0-21swapper/210:20:102
25971999230,22cyclictest0-21swapper/210:10:012
25971999230,22cyclictest0-21swapper/208:00:112
25971999230,22cyclictest0-21swapper/207:25:132
259716992321,2cyclictest0-21swapper/110:00:111
259716992321,1cyclictest428072-21basename12:00:001
259716992321,1cyclictest0-21swapper/107:20:011
259716992320,3cyclictest0-21swapper/110:50:111
25971699230,22cyclictest434457-21apt-get12:10:121
25971699230,22cyclictest353128-21apt-get09:50:131
25971699230,22cyclictest0-21swapper/112:40:001
25971699230,22cyclictest0-21swapper/111:30:121
259709992321,1cyclictest275640-21apt-get07:35:110
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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