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2026-01-14 - 08:36
[ 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 00:44:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
37079452224174,40sleep60-21swapper/619:07:126
37079912220187,21sleep50-21swapper/519:07:515
37081072219186,21sleep10-21swapper/119:09:311
37081042218186,20sleep70-21swapper/719:09:297
37080432217160,17sleep30-21swapper/319:08:363
37056942215182,21sleep00-21swapper/019:05:040
37079322214166,15sleep20-21swapper/219:06:592
37078782210175,23sleep40-21swapper/419:06:124
370836299270,26cyclictest0-21swapper/523:40:005
3708364992623,2cyclictest3769238-21idleruntime-cro20:55:006
3708357992523,1cyclictest3757803-21sh20:35:003
370836899240,23cyclictest3726426-21idleruntime-cro19:40:007
370836899240,23cyclictest0-21swapper/721:55:127
3708364992422,2cyclictest0-21swapper/622:35:106
370835799240,22cyclictest3766434-21kworker/u16:2-ext4-rsv-conversion21:25:003
3708368992321,1cyclictest0-21swapper/719:20:007
3708368992321,1cyclictest0-21swapper/700:05:117
370836899230,22cyclictest3795212-21apt-get21:40:027
3708364992321,1cyclictest3827163-21latency_hist22:35:006
3708364992319,4cyclictest0-21swapper/619:20:006
370836499230,1cyclictest0-21swapper/619:45:116
3708359992321,1cyclictest0-21swapper/420:45:004
3708359992321,1cyclictest0-21swapper/419:40:004
370835999230,22cyclictest0-21swapper/422:40:124
370835999230,22cyclictest0-21swapper/400:30:114
370835799230,23cyclictest0-21swapper/300:35:003
370835799230,22cyclictest3815966-21apt-get22:15:123
3708353992321,1cyclictest3890659-21perf00:24:592
370835399230,22cyclictest3867780-21perf23:45:002
370835399230,22cyclictest3789516-21munin-run21:30:002
370835399230,22cyclictest3783532-21munin-run21:20:002
3708351992321,2cyclictest3893497-21latency_hist00:29:591
370835199230,22cyclictest3887788-21grep00:20:001
370835199230,22cyclictest3853469-21turbostat23:20:001
370835199230,22cyclictest3810263-21apt-get22:05:141
370835199230,22cyclictest3737850-21awk20:00:001
370835199230,22cyclictest0-21swapper/123:20:111
370835199230,22cyclictest0-21swapper/122:25:001
370835199230,22cyclictest0-21swapper/122:25:001
370835199230,22cyclictest0-21swapper/119:50:131
370835199230,22cyclictest0-21swapper/119:15:021
370835199230,1cyclictest0-21swapper/120:10:001
370834899230,21cyclictest0-21swapper/019:25:130
3708368992221,1cyclictest0-21swapper/719:45:177
3708368992220,1cyclictest0-21swapper/723:25:107
370836899220,22cyclictest0-21swapper/720:45:007
370836899220,21cyclictest3749680-21apt-get20:20:127
370836899220,21cyclictest0-21swapper/723:55:127
370836899220,21cyclictest0-21swapper/723:20:117
370836899220,21cyclictest0-21swapper/722:20:127
370836899220,21cyclictest0-21swapper/722:20:127
370836899220,21cyclictest0-21swapper/722:05:137
370836899220,21cyclictest0-21swapper/720:05:107
3708364992222,0cyclictest0-21swapper/623:20:116
3708364992220,1cyclictest0-21swapper/619:15:006
3708364992219,2cyclictest3853479-21basename23:20:016
370836499220,22cyclictest0-21swapper/600:00:006
370836499220,21cyclictest0-21swapper/619:50:126
370836299220,22cyclictest671rcuc/521:20:005
370836299220,21cyclictest3708673-21apt-get19:10:075
370836299220,21cyclictest0-21swapper/519:35:125
370836299220,1cyclictest3887787-21munin-run00:20:015
3708359992222,0cyclictest0-21swapper/421:55:124
3708359992220,1cyclictest0-21swapper/419:15:024
3708359992220,1cyclictest0-21swapper/400:10:004
370835999220,21cyclictest0-21swapper/423:10:114
370835999220,21cyclictest0-21swapper/400:10:114
3708357992221,1cyclictest3813115-21apt-get22:10:113
3708357992221,1cyclictest0-21swapper/322:45:113
3708357992220,1cyclictest0-21swapper/323:00:123
370835799220,21cyclictest0-21swapper/321:05:133
370835799220,21cyclictest0-21swapper/320:35:123
370835799220,21cyclictest0-21swapper/319:45:123
370835799220,21cyclictest0-21swapper/319:25:123
370835799220,1cyclictest0-21swapper/319:15:003
3708353992220,1cyclictest3726821-21apt-get19:40:112
3708353992220,1cyclictest0-21swapper/219:15:012
370835399220,21cyclictest3841825-21sendmail-msp23:00:002
370835399220,21cyclictest0-21swapper/223:55:122
370835399220,21cyclictest0-21swapper/200:15:112
370835399220,0cyclictest0-21swapper/219:15:122
3708351992222,0cyclictest0-21swapper/120:55:111
3708351992221,1cyclictest3839352-21apt-get22:55:131
3708351992221,1cyclictest0-21swapper/119:35:111
3708351992220,1cyclictest3749275-21basename20:20:011
3708351992220,1cyclictest0-21swapper/122:40:121
370835199220,21cyclictest3856757-21apt-get23:25:101
370835199220,21cyclictest0-21swapper/121:05:131
370835199220,21cyclictest0-21swapper/100:20:101
3708348992222,0cyclictest0-21swapper/023:00:010
3708348992221,1cyclictest0-21swapper/022:55:010
3708348992221,1cyclictest0-21swapper/019:50:130
370834899220,22cyclictest0-21swapper/021:20:010
370834899220,21cyclictest3787079-21apt-get21:25:100
370834899220,21cyclictest0-21swapper/021:55:120
370834899220,1cyclictest0-21swapper/019:15:010
370834899220,0cyclictest0-21swapper/023:55:120
3708368992120,1cyclictest0-21swapper/723:50:117
3708368992120,1cyclictest0-21swapper/721:45:147
3708368992120,1cyclictest0-21swapper/721:35:117
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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