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2026-02-20 - 05:49
[ 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 Fri Feb 20, 2026 00:44:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
30627452249175,24sleep30-21swapper/319:05:393
30628382231192,26sleep40-21swapper/419:07:014
30630022230167,21sleep70-21swapper/719:09:227
30628592230193,24sleep60-21swapper/619:07:206
30628122229179,40sleep50-21swapper/519:06:385
30628772211178,21sleep20-21swapper/219:07:312
30627782208175,21sleep00-21swapper/019:06:100
30627522207174,21sleep10-21swapper/119:05:471
306327999290,28cyclictest0-21swapper/319:50:123
306327999280,27cyclictest3224972-21perf23:50:013
306327999280,27cyclictest0-21swapper/321:45:123
306327999280,27cyclictest0-21swapper/321:40:123
306327599286,0cyclictest0-21swapper/221:34:592
306327999270,26cyclictest0-21swapper/320:44:593
306327999270,26cyclictest0-21swapper/320:10:123
306329099268,1cyclictest0-21swapper/720:40:137
306327999260,25cyclictest0-21swapper/321:15:143
3063279992520,4cyclictest3164436-21munin-run22:05:013
306327999250,24cyclictest0-21swapper/320:45:123
306327999250,24cyclictest0-21swapper/300:15:133
3063275992524,1cyclictest0-21swapper/219:40:012
3063275992523,1cyclictest3211100-21apt-get23:25:122
306329099240,24cyclictest0-21swapper/722:45:127
306329099240,1cyclictest3231398-21apt-get00:00:127
3063286992422,1cyclictest0-21swapper/620:10:006
306328499240,2cyclictest690-21gdbus23:20:015
306328499240,23cyclictest0-21swapper/522:15:125
306328499240,1cyclictest0-21swapper/500:20:135
3063279992421,3cyclictest0-21swapper/322:25:003
306327999240,23cyclictest0-21swapper/323:55:103
306327999240,23cyclictest0-21swapper/300:20:123
3063266992423,1cyclictest3237099-21apt-get00:10:100
3063290992321,1cyclictest3078592-21apt-get19:35:137
306329099230,23cyclictest3230965-21basename00:00:017
306329099230,22cyclictest3092889-21apt-get20:00:137
306328699230,22cyclictest3213543-21awk23:30:006
306328699230,22cyclictest3162003-21apt-get22:00:116
306328699230,1cyclictest3196558-21apt-get23:00:166
306328699230,1cyclictest0-21swapper/620:50:116
3063284992320,2cyclictest3242409-21awk00:20:005
3063281992321,1cyclictest3070039-21http19:20:124
3063279992321,1cyclictest3144408-21apt21:29:593
3063279992320,3cyclictest0-21swapper/322:55:133
3063279992320,3cyclictest0-21swapper/322:55:133
306327999230,2cyclictest0-21swapper/323:15:133
306327999230,22cyclictest0-21swapper/320:20:143
306327999230,22cyclictest0-21swapper/319:15:113
306327999230,1cyclictest3204959-21turbostat23:15:003
3063275992321,1cyclictest0-21swapper/223:20:012
306327599230,23cyclictest3148906-21ntpq21:35:182
306327199230,22cyclictest3219681-21apt-get23:40:101
306327199230,22cyclictest3198988-21munin-run23:05:011
306327199230,22cyclictest3162003-21apt-get22:00:111
306327199230,22cyclictest0-21swapper/119:20:111
3063266992321,1cyclictest0-21swapper/022:00:110
3063266992320,2cyclictest3254080-21munin-run00:40:000
3063266992320,2cyclictest3158702-21idleruntime-cro21:55:010
306326699230,22cyclictest3236684-21munin-run00:10:000
306326699230,22cyclictest3196119-21munin-run23:00:000
306326699230,22cyclictest3196119-21munin-run23:00:000
306326699230,22cyclictest0-21swapper/000:00:120
306326699230,1cyclictest3138431-21munin-run21:19:590
3063290992221,1cyclictest3234249-21apt-get00:05:117
3063290992221,1cyclictest3225651-21apt-get23:50:147
3063290992221,1cyclictest3146964-21fwupd21:30:557
3063290992221,1cyclictest0-21swapper/721:40:007
3063290992221,0cyclictest0-21swapper/720:05:127
3063290992220,1cyclictest3113139-21apt-get20:35:137
306329099220,22cyclictest0-21swapper/722:25:017
306329099220,21cyclictest0-21swapper/719:55:117
3063286992221,1cyclictest0-21swapper/622:55:016
3063286992221,1cyclictest0-21swapper/622:25:126
3063286992220,1cyclictest3130291-21apt-get21:05:126
3063286992220,1cyclictest0-21swapper/623:25:006
306328699220,22cyclictest3081034-21perf19:40:006
306328699220,21cyclictest0-21swapper/622:40:126
306328699220,21cyclictest0-21swapper/621:10:126
306328699220,21cyclictest0-21swapper/600:15:136
3063284992222,0cyclictest0-21swapper/520:25:105
306328499221,21cyclictest0-21swapper/522:30:125
306328499220,22cyclictest0-21swapper/523:50:005
306328499220,22cyclictest0-21swapper/523:05:005
306328499220,21cyclictest0-21swapper/523:00:015
306328499220,21cyclictest0-21swapper/523:00:005
306328499220,21cyclictest0-21swapper/520:35:135
3063281992222,0cyclictest0-21swapper/400:00:134
306328199220,22cyclictest3141582-21basename21:24:594
306328199220,22cyclictest0-21swapper/422:40:004
306328199220,21cyclictest0-21swapper/423:10:124
306328199220,21cyclictest0-21swapper/419:25:134
306328199220,1cyclictest3127438-21apt-get21:00:114
306328199220,1cyclictest0-21swapper/422:50:124
306328199220,1cyclictest0-21swapper/400:10:124
3063279992221,1cyclictest0-21swapper/321:50:113
3063279992221,1cyclictest0-21swapper/319:35:123
3063279992220,1cyclictest0-21swapper/322:05:133
3063279992217,4cyclictest0-21swapper/320:50:123
306327999220,21cyclictest0-21swapper/320:30:123
306327999220,0cyclictest0-21swapper/323:20:113
306327599220,22cyclictest0-21swapper/223:30:132
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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