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2026-01-13 - 16:02
[ 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 Jan 13, 2026 12:44:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
32618172230171,19sleep20-21swapper/207:08:212
32619792219190,19sleep50-21swapper/507:09:535
32619862217179,25sleep10-21swapper/107:09:561
32617632216179,24sleep40-21swapper/407:07:354
32619572214161,17sleep30-21swapper/307:09:353
32619452210179,20sleep00-21swapper/007:09:240
32619322207179,18sleep60-21swapper/607:09:146
32617032207174,21sleep70-21swapper/707:06:417
33605782790,0sleep50-21swapper/510:05:195
326222599320,25cyclictest3344592-21cron09:40:016
326222999275,4cyclictest0-21swapper/712:14:367
326222999265,4cyclictest0-21swapper/709:07:527
326222599260,23cyclictest3321005-21munin-run08:55:016
326222599260,1cyclictest0-21swapper/609:00:016
326222999254,4cyclictest0-21swapper/711:52:377
326222999254,4cyclictest0-21swapper/711:30:407
326222999254,4cyclictest0-21swapper/709:18:527
326222999254,4cyclictest0-21swapper/708:01:587
326222399250,1cyclictest3320984-21cron08:55:015
326222999241,22cyclictest3402531-21cron11:20:007
3262229992321,1cyclictest3350325-21apt09:50:017
326222999230,22cyclictest3413980-21sendmail11:40:007
326222999230,22cyclictest3356480-21apt-get10:00:117
326222999230,22cyclictest0-21swapper/710:15:137
3262225992321,1cyclictest0-21swapper/609:55:016
326222599230,22cyclictest0-21swapper/611:55:006
3262214992322,1cyclictest3358919-21perf10:05:012
3262214992322,1cyclictest3285726-21awk07:50:002
3262214992322,0cyclictest0-21swapper/208:50:122
326221499230,22cyclictest0-21swapper/209:20:012
3262210992322,0cyclictest0-21swapper/112:10:101
3262210992321,1cyclictest0-21swapper/112:25:001
3262210992320,2cyclictest3405432-21awk11:24:591
326221099230,22cyclictest3268980-21apt-get07:20:201
326221099230,22cyclictest0-21swapper/112:35:001
326221099230,22cyclictest0-21swapper/111:05:131
3262205992321,1cyclictest3307142-21apt-get08:30:130
3262205992321,1cyclictest3307142-21apt-get08:30:130
326220599230,22cyclictest0-21swapper/010:55:090
326220599230,1cyclictest3294275-21apt08:04:590
326222999224,18cyclictest0-21swapper/708:12:587
326222999224,0cyclictest0-21swapper/708:34:567
326222999224,0cyclictest0-21swapper/708:34:567
326222999224,0cyclictest0-21swapper/707:51:007
3262229992220,1cyclictest0-21swapper/710:15:017
3262225992221,1cyclictest3291851-21apt-get08:00:126
3262225992221,1cyclictest0-21swapper/609:55:116
3262225992221,1cyclictest0-21swapper/608:20:016
3262225992220,2cyclictest0-21swapper/612:35:006
3262225992220,1cyclictest3367910-21apt-get10:20:116
3262225992219,3cyclictest0-21swapper/609:30:126
3262225992219,2cyclictest3367499-21awk10:20:016
3262225992218,3cyclictest3434000-21basename12:15:006
3262225992218,3cyclictest0-21swapper/610:25:126
326222599220,21cyclictest3262522-21apt-get07:10:116
326222599220,21cyclictest0-21swapper/610:05:126
326222599220,21cyclictest0-21swapper/609:05:136
3262223992221,1cyclictest3300739-21munin-run08:20:015
3262223992220,1cyclictest0-21swapper/511:20:005
3262223992219,2cyclictest3433979-21turbostat.cron12:15:005
326222399220,22cyclictest3294289-21perf08:05:005
326222399220,21cyclictest3332847-21apt-get09:15:105
326222399220,21cyclictest0-21swapper/511:20:125
326222399220,21cyclictest0-21swapper/510:15:135
326222399220,21cyclictest0-21swapper/509:30:125
326222399220,21cyclictest0-21swapper/507:10:125
326222099220,22cyclictest3332430-21munin-run09:15:014
326222099220,21cyclictest0-21swapper/411:15:124
326222099220,21cyclictest0-21swapper/408:35:124
326222099220,21cyclictest0-21swapper/408:35:124
326222099220,21cyclictest0-21swapper/408:30:124
326222099220,21cyclictest0-21swapper/408:30:124
326222099220,21cyclictest0-21swapper/408:25:234
326222099220,21cyclictest0-21swapper/407:45:114
3262218992221,1cyclictest3311299-21ntpq08:35:193
3262218992221,1cyclictest3311299-21ntpq08:35:193
3262218992221,1cyclictest0-21swapper/310:55:003
3262218992221,1cyclictest0-21swapper/309:10:143
3262218992220,1cyclictest0-21swapper/310:35:153
326221899220,22cyclictest0-21swapper/310:05:013
326221899220,21cyclictest0-21swapper/312:35:143
326221899220,21cyclictest0-21swapper/312:09:593
326221899220,21cyclictest0-21swapper/308:05:123
326221899220,1cyclictest3373193-21turbostat10:30:003
326221899220,1cyclictest3367471-21turbostat10:20:003
326221899220,1cyclictest3353605-21apt-get09:55:103
3262214992222,0cyclictest0-21swapper/209:10:142
326221499220,22cyclictest0-21swapper/211:13:432
326221499220,22cyclictest0-21swapper/210:35:152
326221499220,1cyclictest3442589-21idleruntime-cro12:30:002
3262210992221,1cyclictest0-21swapper/109:15:111
3262210992221,0cyclictest3425848-21apt-get12:00:111
3262210992220,1cyclictest0-21swapper/109:35:121
326221099220,22cyclictest0-21swapper/109:00:111
326221099220,21cyclictest3277530-21apt-get07:35:141
326221099220,21cyclictest0-21swapper/110:25:111
326221099220,21cyclictest0-21swapper/108:50:121
326221099220,21cyclictest0-21swapper/108:05:121
326221099220,21cyclictest0-21swapper/107:50:111
326221099220,21cyclictest0-21swapper/107:25:131
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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