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2026-03-04 - 00:49
[ 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 100 highest latencies:
System rack8slot4s.osadl.org (updated Tue Mar 03, 2026 12:44:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
6366162237183,18sleep20-21swapper/207:09:172
6364982236171,21sleep60-21swapper/607:07:366
6363532219183,23sleep00-21swapper/007:05:290
6366002217180,24sleep70-21swapper/707:09:067
6365222217180,24sleep30-21swapper/307:07:573
6364032217184,21sleep50-21swapper/507:06:145
6365022211181,19sleep10-21swapper/107:07:391
6364312209179,19sleep40-21swapper/407:06:384
7114322600,0sleep00-21swapper/009:15:170
7842832530,0sleep460-21ksoftirqd/411:20:204
63709799360,36cyclictest0-21swapper/607:35:486
637081993120,5cyclictest0-21swapper/312:10:113
63708199290,22cyclictest782230-21dump-pmu-power11:20:003
63709199270,22cyclictest828725-21munin-run12:40:005
63709199270,22cyclictest0-21swapper/510:05:005
637091992619,6cyclictest660920-21grep07:50:005
63709199260,25cyclictest0-21swapper/509:25:125
63708199260,2cyclictest793673-21run-parts11:40:003
63708199260,25cyclictest733318-21apt-get09:55:143
637091992521,3cyclictest0-21swapper/512:25:115
637091992521,3cyclictest0-21swapper/507:30:005
637091992520,4cyclictest0-21swapper/509:05:115
63708199250,24cyclictest0-21swapper/311:10:123
63707099250,24cyclictest730201-21apt-get09:50:110
63709999240,23cyclictest733318-21apt-get09:55:147
63709199244,19cyclictest657794-21apt07:45:005
637091992421,3cyclictest681593-21apt-get08:25:115
63708699243,20cyclictest0-21swapper/407:30:004
637086992422,1cyclictest640025-21date07:15:004
637081992421,2cyclictest761996-21munin-run10:45:003
63708199240,2cyclictest709780-21munin-run09:15:003
63708199240,22cyclictest0-21swapper/311:20:113
63708199240,0cyclictest0-21swapper/310:45:113
63707499240,2cyclictest724084-21awk09:40:011
63707499240,24cyclictest825864-21dump-pmu-power12:35:001
63709999230,22cyclictest0-21swapper/708:25:007
63709999230,22cyclictest0-21swapper/708:15:117
637097992323,0cyclictest0-21swapper/607:25:136
63709799230,22cyclictest646358-21idleruntime-cro07:25:006
63709799230,22cyclictest0-21swapper/608:10:096
63709799230,1cyclictest0-21swapper/610:10:106
637091992321,1cyclictest0-21swapper/512:05:005
63709199230,22cyclictest0-21swapper/510:50:015
63709199230,22cyclictest0-21swapper/509:25:005
63708699230,2cyclictest672604-21perf08:10:004
63708699230,2cyclictest672604-21perf08:10:004
63708699230,22cyclictest0-21swapper/410:05:124
63708699230,22cyclictest0-21swapper/407:30:124
637081992322,1cyclictest0-21swapper/310:20:113
637081992321,1cyclictest822924-21latency_hist12:30:003
637081992321,1cyclictest759114-21sh10:40:003
637081992321,1cyclictest678744-21apt-get08:20:123
63708199230,22cyclictest0-21swapper/309:25:123
63708199230,1cyclictest0-21swapper/310:15:003
637077992323,0cyclictest0-21swapper/207:50:122
63707499230,2cyclictest678293-21sh08:20:001
63707499230,22cyclictest770813-21munin-run11:00:001
63707499230,0cyclictest0-21swapper/109:30:121
63707099230,22cyclictest0-21swapper/011:10:110
63707099230,1cyclictest0-21swapper/009:05:000
63709999220,22cyclictest0-21swapper/711:30:007
63709999220,22cyclictest0-21swapper/711:20:007
63709999220,21cyclictest0-21swapper/710:45:117
63709999220,1cyclictest756691-21apt-get10:35:107
63709999220,1cyclictest698722-21apt-get08:55:107
63709999220,1cyclictest0-21swapper/712:30:027
63709999220,1cyclictest0-21swapper/712:25:007
63709999220,0cyclictest0-21swapper/707:30:117
637097992222,0cyclictest0-21swapper/611:30:116
637097992221,1cyclictest785530-21apt-get11:25:136
637097992221,1cyclictest0-21swapper/610:50:136
63709799220,22cyclictest808238-21awk12:05:006
63709799220,21cyclictest791230-21apt-get11:35:096
63709799220,21cyclictest0-21swapper/610:45:116
63709799220,21cyclictest0-21swapper/608:40:116
637091992221,1cyclictest0-21swapper/511:15:105
637091992218,3cyclictest0-21swapper/510:40:005
63709199220,1cyclictest0-21swapper/508:00:005
637086992220,1cyclictest704018-21apt09:05:004
63708699220,2cyclictest793653-21apt-get11:40:014
63708699220,22cyclictest0-21swapper/408:55:004
63708699220,21cyclictest0-21swapper/408:40:114
63708699220,1cyclictest0-21swapper/412:30:114
637081992222,0cyclictest0-21swapper/312:30:113
637081992220,2cyclictest0-21swapper/311:55:113
637081992220,2cyclictest0-21swapper/310:05:123
637081992220,1cyclictest0-21swapper/312:35:113
63708199220,21cyclictest689734-21munin-run08:40:003
63708199220,21cyclictest0-21swapper/312:15:113
63708199220,21cyclictest0-21swapper/311:25:143
63708199220,21cyclictest0-21swapper/307:50:113
63708199220,1cyclictest695874-21apt-get08:50:133
63708199220,1cyclictest0-21swapper/308:00:003
637077992222,0cyclictest0-21swapper/207:45:022
63707799220,22cyclictest0-21swapper/209:40:012
63707799220,22cyclictest0-21swapper/208:55:002
63707799220,22cyclictest0-21swapper/208:30:002
63707799220,21cyclictest0-21swapper/212:10:112
63707799220,21cyclictest0-21swapper/210:20:122
63707799220,21cyclictest0-21swapper/209:10:132
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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