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2026-01-14 - 21:41
[ 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 Wed Jan 14, 2026 12:44:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
41588002237174,50sleep70-21swapper/707:06:387
41587232223166,17sleep40-21swapper/407:05:314
41589052216184,20sleep60-21swapper/607:08:066
41588912214185,19sleep10-21swapper/107:07:521
41587962214181,21sleep30-21swapper/307:06:353
41587502214181,21sleep20-21swapper/207:05:532
41587622211174,24sleep50-21swapper/507:06:045
41587842209177,20sleep00-21swapper/007:06:230
4159277992825,2cyclictest63357-21zstd09:22:287
415926899275,1cyclictest0-21swapper/408:00:014
415926899275,1cyclictest0-21swapper/408:00:004
415926299260,25cyclictest44131-21dpkg-preconfigu09:21:272
415927799252,1cyclictest40522-21perf09:20:017
415927299250,24cyclictest0-21swapper/509:15:105
4159266992523,1cyclictest38073-21apt-get09:15:113
415926699250,24cyclictest0-21swapper/312:00:103
4159256992523,2cyclictest133697-21munin-run11:30:001
4159256992523,1cyclictest165630-21idleruntime-cro12:25:001
4159256992523,1cyclictest0-21swapper/110:55:001
415925299250,24cyclictest0-21swapper/010:25:110
4159277992422,2cyclictest851rcuc/709:05:017
415927799241,22cyclictest851rcuc/711:30:117
415927299240,24cyclictest0-21swapper/512:35:005
415927299240,23cyclictest70300-21idleruntime-cro09:40:015
415926899240,24cyclictest63356-21zstd09:22:294
415926699240,22cyclictest79298-21apt-get09:55:113
415926299240,23cyclictest4174180-21awk07:35:002
415926299240,23cyclictest0-21swapper/207:25:132
415926299240,22cyclictest0-21swapper/208:05:112
415925299240,3cyclictest45411-21dpkg-maintscrip09:21:420
415925299240,23cyclictest0-21swapper/011:25:000
4159277992322,1cyclictest0-21swapper/709:40:107
4159277992322,1cyclictest0-21swapper/708:20:017
4159277992322,1cyclictest0-21swapper/708:00:017
4159277992322,1cyclictest0-21swapper/708:00:017
4159277992321,1cyclictest166057-21apt-get12:25:107
415927799230,1cyclictest35221-21apt-get09:10:107
4159274992322,1cyclictest0-21swapper/610:55:126
415927499230,23cyclictest44774-21dpkg09:21:426
415927499230,22cyclictest38072-21apt09:15:116
415927499230,22cyclictest0-21swapper/611:55:006
415927499230,22cyclictest0-21swapper/608:25:106
415927299230,22cyclictest45806-21sd-executor09:21:515
415927299230,22cyclictest29522-21apt-get09:00:125
415927299230,22cyclictest0-21swapper/510:10:185
415927299230,22cyclictest0-21swapper/509:30:005
4159268992321,1cyclictest0-21swapper/410:00:004
415926899230,22cyclictest119411-21awk11:05:004
4159266992322,1cyclictest43151-21apt-get09:21:183
4159266992321,1cyclictest64012-21apt-get09:25:123
415926699230,2cyclictest73187-21perf09:45:013
415926699230,22cyclictest99832-21apt-get10:30:113
415926699230,22cyclictest163206-21apt-get12:20:093
415926699230,22cyclictest0-21swapper/312:25:103
415926699230,22cyclictest0-21swapper/311:00:123
415926699230,22cyclictest0-21swapper/308:25:013
415926299230,22cyclictest17673-21awk08:40:012
415926299230,22cyclictest162776-21perf12:20:002
415926299230,22cyclictest0-21swapper/211:15:102
4159256992321,2cyclictest4162011-21perf07:15:001
415925699230,22cyclictest81743-21systemctl10:00:001
415925699230,22cyclictest0-21swapper/110:40:101
415925699230,22cyclictest0-21swapper/108:35:111
415925699230,1cyclictest0-21swapper/109:40:011
415925699230,1cyclictest0-21swapper/107:20:001
4159252992321,1cyclictest0-21swapper/008:05:010
4159252992321,1cyclictest0-21swapper/008:05:000
415925299230,22cyclictest0-21swapper/008:30:130
415925299230,1cyclictest4177038-21munin-run07:40:010
4159277992222,0cyclictest0-21swapper/708:05:117
4159277992221,1cyclictest0-21swapper/712:34:597
4159277992220,2cyclictest0-21swapper/710:10:187
4159277992218,3cyclictest0-21swapper/708:25:007
415927799220,21cyclictest0-21swapper/711:00:117
415927799220,21cyclictest0-21swapper/710:35:117
415927799220,21cyclictest0-21swapper/710:05:007
415927799220,21cyclictest0-21swapper/708:50:107
415927799220,21cyclictest0-21swapper/708:30:027
415927799220,21cyclictest0-21swapper/707:20:007
415927799220,1cyclictest87723-21munin-run10:10:007
4159274992220,1cyclictest0-21swapper/609:35:086
415927499220,21cyclictest93867-21apt-get10:20:116
415927499220,21cyclictest0-21swapper/612:35:006
415927499220,21cyclictest0-21swapper/610:49:596
415927499220,21cyclictest0-21swapper/608:45:116
415927499220,21cyclictest0-21swapper/608:30:146
4159272992221,1cyclictest5991-21basename08:20:015
415927299220,22cyclictest78874-21turbostat.cron09:55:015
415927299220,21cyclictest4171728-21apt-get07:30:115
415927299220,21cyclictest0-21swapper/511:55:115
415927299220,1cyclictest154629-21apt-get12:05:115
415927299220,1cyclictest0-21swapper/507:30:015
4159268992221,1cyclictest93431-21munin-run10:20:004
4159268992221,1cyclictest0-21swapper/410:50:104
4159268992219,2cyclictest32372-21apt-get09:05:114
415926899220,22cyclictest128014-21idleruntime-cro11:19:594
415926899220,21cyclictest0-21swapper/407:45:124
415926899220,1cyclictest4179910-21munin-run07:45:014
4159266992222,0cyclictest0-21swapper/310:25:123
4159266992221,1cyclictest105553-21apt-get10:40:113
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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