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2026-02-27 - 05:50
[ 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 27, 2026 00:44:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
8896072223162,19sleep00-21swapper/019:08:300
8896522220163,19sleep70-21swapper/719:09:097
8896112220183,24sleep20-21swapper/219:08:322
8894802215181,22sleep40-21swapper/419:06:424
8894302212179,21sleep10-21swapper/119:05:581
8896872210179,20sleep30-21swapper/319:09:383
8872662205176,19sleep50-21swapper/519:05:065
8895412204176,18sleep60-21swapper/619:07:326
88996799297,4cyclictest0-21swapper/700:33:357
88996799297,4cyclictest0-21swapper/700:00:387
88996299250,24cyclictest910832-21awk19:45:005
889960992523,1cyclictest363-21systemd-journal20:55:014
88995599250,24cyclictest0-21swapper/319:55:133
889953992523,1cyclictest950838-21turbostat.cron20:55:002
889953992523,1cyclictest0-21swapper/220:25:002
88996799247,4cyclictest0-21swapper/720:42:577
88996799247,4cyclictest0-21swapper/720:20:587
88996799247,0cyclictest0-21swapper/723:16:437
88996799247,0cyclictest0-21swapper/721:15:537
889965992420,3cyclictest928359-21apt-get20:15:126
889965992420,3cyclictest1059957-21ntpq00:00:196
88996599240,23cyclictest0-21swapper/619:10:166
88996299240,23cyclictest991823-21awk22:05:015
88995399240,23cyclictest930835-21sendmail-msp20:20:002
88995399240,23cyclictest0-21swapper/221:05:092
88995399240,23cyclictest0-21swapper/221:05:092
88995099242,21cyclictest0-21swapper/100:05:001
88995099240,23cyclictest977112-21sendmail-msp21:40:001
88995099240,0cyclictest0-21swapper/119:25:011
889967992321,1cyclictest986324-21apt-get21:55:137
88996799230,22cyclictest0-21swapper/722:15:137
889965992323,0cyclictest0-21swapper/622:05:106
889965992320,3cyclictest0-21swapper/621:40:016
889965992319,3cyclictest0-21swapper/621:30:016
88996599230,22cyclictest1049984-21apt-get23:45:136
88996599230,22cyclictest0-21swapper/623:30:116
88996599230,22cyclictest0-21swapper/600:35:016
889962992322,1cyclictest965562-21apt-get21:20:115
88996299230,22cyclictest939424-21munin-run20:35:005
88996299230,22cyclictest1029291-21munin-run23:09:595
88996299230,1cyclictest911234-21apt-get19:45:135
889960992321,1cyclictest995161-21apt-get22:10:124
889960992321,1cyclictest1081345-21idleruntime-cro00:39:594
88995599230,22cyclictest0-21swapper/320:40:093
889953992321,1cyclictest1015432-21apt-get22:45:112
88995399230,23cyclictest0-21swapper/200:00:002
88995399230,22cyclictest0-21swapper/220:00:122
889950992321,1cyclictest1078275-21apt-key00:35:001
889950992321,1cyclictest0-21swapper/100:10:001
88994699230,22cyclictest0-21swapper/021:40:120
88994699230,1cyclictest1058119-21munin-run23:59:590
889967992221,1cyclictest0-21swapper/719:40:137
889967992220,1cyclictest899807-21apt-get19:25:127
889967992220,1cyclictest1003336-21idleruntime-cro22:25:017
88996799220,22cyclictest0-21swapper/721:30:187
88996799220,21cyclictest0-21swapper/722:25:137
88996799220,21cyclictest0-21swapper/720:10:137
88996799220,1cyclictest1070101-21http00:20:117
88996799220,1cyclictest0-21swapper/722:55:117
88996599220,21cyclictest962688-21apt-get21:15:126
88996599220,21cyclictest0-21swapper/623:05:106
88996599220,0cyclictest0-21swapper/623:50:116
88996599220,0cyclictest0-21swapper/623:35:116
889962992221,1cyclictest1078920-21apt-get00:35:115
889962992220,1cyclictest959419-21idleruntime-cro21:10:015
889962992220,1cyclictest959419-21idleruntime-cro21:10:015
889962992220,1cyclictest0-21swapper/521:35:025
889960992221,1cyclictest936940-21apt-get20:30:124
889960992221,1cyclictest1009018-21apt-get22:35:024
889960992221,1cyclictest0-21swapper/419:20:114
88996099220,21cyclictest914080-21apt-get19:50:104
88996099220,21cyclictest1038551-21apt-get23:25:124
88996099220,21cyclictest0-21swapper/423:15:124
88996099220,21cyclictest0-21swapper/422:05:114
88996099220,1cyclictest1061107-21awk00:05:004
88996099220,1cyclictest1055268-21munin-run23:55:004
88996099220,1cyclictest0-21swapper/423:10:104
88996099220,0cyclictest0-21swapper/421:35:114
889955992221,1cyclictest0-21swapper/319:30:103
889955992221,1cyclictest0-21swapper/319:25:123
889955992221,1cyclictest0-21swapper/319:24:593
889955992220,2cyclictest907981-21sendmail19:40:013
889955992220,2cyclictest0-21swapper/323:14:593
889955992220,1cyclictest0-21swapper/321:30:123
88995599220,21cyclictest0-21swapper/321:15:133
88995599220,1cyclictest991622-21apt-get22:05:003
88995599220,1cyclictest934086-21apt-get20:25:123
88995599220,1cyclictest0-21swapper/323:15:003
889953992222,0cyclictest0-21swapper/221:30:112
889953992221,1cyclictest986324-21apt-get21:55:112
889953992221,1cyclictest0-21swapper/223:24:592
88995399220,22cyclictest0-21swapper/221:40:012
88995399220,21cyclictest0-21swapper/220:30:132
88995399220,1cyclictest0-21swapper/223:45:002
889950992222,0cyclictest0-21swapper/121:45:131
889950992220,1cyclictest965562-21apt-get21:20:121
88995099220,22cyclictest1066814-21awk00:15:001
88995099220,21cyclictest0-21swapper/123:10:121
88995099220,21cyclictest0-21swapper/119:30:101
88995099220,21cyclictest0-21swapper/119:20:121
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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