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2026-02-09 - 02:48
[ 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 Mon Feb 09, 2026 00:44:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
16831852231168,51sleep60-21swapper/619:05:076
16854092229174,17sleep30-21swapper/319:06:483
16855542222172,39sleep00-21swapper/019:08:550
16855162219183,23sleep70-21swapper/719:08:217
16854582214182,21sleep50-21swapper/519:07:315
16855002212178,22sleep20-21swapper/219:08:072
16856322206177,19sleep10-21swapper/119:09:591
16855972205171,21sleep40-21swapper/419:09:304
168587399270,25cyclictest1717893-21munin-run20:04:594
1685877992523,1cyclictest0-21swapper/521:25:135
1685870992522,2cyclictest1747127-21apt-get20:55:113
168587099250,22cyclictest0-21swapper/320:40:143
168588399240,24cyclictest0-21swapper/720:05:007
168587799240,23cyclictest1786965-21turbostat.cron22:05:005
168587399240,1cyclictest1732850-21apt-get20:30:114
1685870992422,2cyclictest0-21swapper/320:45:133
1685870992420,3cyclictest0-21swapper/322:05:133
168587099240,23cyclictest0-21swapper/320:10:123
168587099240,22cyclictest0-21swapper/323:10:013
1685867992423,1cyclictest0-21swapper/222:55:122
1685867992422,1cyclictest0-21swapper/221:40:012
168586499240,23cyclictest1818647-21systemctl23:00:001
1685862992421,2cyclictest0-21swapper/023:40:010
168586299240,23cyclictest1692179-21munin-run19:20:000
1685883992322,0cyclictest0-21swapper/722:45:147
1685883992322,0cyclictest0-21swapper/722:45:137
168588399230,22cyclictest1689738-21apt-get19:15:107
168588399230,22cyclictest0-21swapper/723:10:137
168588399230,22cyclictest0-21swapper/722:30:137
168588399230,22cyclictest0-21swapper/720:10:127
168588399230,22cyclictest0-21swapper/719:20:117
168588399230,22cyclictest0-21swapper/700:20:017
168588399230,1cyclictest1772677-21munin-run21:40:007
1685878992321,1cyclictest0-21swapper/621:50:126
1685878992321,1cyclictest0-21swapper/600:20:006
168587799230,22cyclictest0-21swapper/521:05:015
168587399230,22cyclictest0-21swapper/421:20:004
168587399230,22cyclictest0-21swapper/420:10:134
1685870992320,2cyclictest1819074-21apt-get23:00:123
168587099230,22cyclictest0-21swapper/323:50:133
168587099230,22cyclictest0-21swapper/320:50:113
168587099230,22cyclictest0-21swapper/320:30:103
1685867992322,1cyclictest0-21swapper/223:25:122
1685867992321,1cyclictest0-21swapper/223:00:112
168586799230,22cyclictest1827207-21munin-run23:15:012
168586799230,22cyclictest0-21swapper/219:55:122
168586799230,22cyclictest0-21swapper/219:30:122
1685864992321,2cyclictest1772665-21idleruntime-cro21:40:011
168586499230,2cyclictest1784101-21munin-run22:00:001
168586499230,22cyclictest0-21swapper/122:25:131
168586499230,22cyclictest0-21swapper/121:45:101
168586499230,22cyclictest0-21swapper/119:25:001
1685862992321,1cyclictest1701166-21apt-get19:35:110
1685862992321,1cyclictest1695465-21apt-get19:25:130
1685862992321,1cyclictest0-21swapper/022:05:000
168586299230,22cyclictest1816202-21apt-get22:55:130
168586299230,22cyclictest1772680-21idleruntime-cro21:40:000
168586299230,22cyclictest0-21swapper/021:05:130
168586299230,22cyclictest0-21swapper/020:09:590
1685883992222,0cyclictest0-21swapper/700:25:147
1685883992220,1cyclictest0-21swapper/719:45:137
168588399220,21cyclictest1761261-21systemctl21:20:017
168588399220,21cyclictest0-21swapper/720:25:147
168588399220,1cyclictest1749553-21apt-get21:00:017
168588399220,1cyclictest0-21swapper/721:45:017
168588399220,0cyclictest0-21swapper/721:20:127
1685878992221,1cyclictest1749553-21apt-get21:00:016
168587899220,22cyclictest1755553-21awk21:10:006
168587899220,22cyclictest0-21swapper/621:00:016
168587899220,21cyclictest1724013-21apt-get20:15:126
168587899220,21cyclictest1692614-21apt-get19:20:116
168587899220,21cyclictest0-21swapper/623:15:146
168587899220,21cyclictest0-21swapper/621:10:126
1685877992221,1cyclictest0-21swapper/500:05:125
1685877992221,0cyclictest0-21swapper/522:05:135
1685877992220,1cyclictest0-21swapper/520:00:125
1685877992220,1cyclictest0-21swapper/500:30:105
168587799220,22cyclictest0-21swapper/519:20:015
168587799220,21cyclictest0-21swapper/521:40:115
168587799220,21cyclictest0-21swapper/520:25:125
168587799220,21cyclictest0-21swapper/520:15:135
168587799220,21cyclictest0-21swapper/519:40:135
168587799220,21cyclictest0-21swapper/519:30:135
168587799220,21cyclictest0-21swapper/519:25:125
168587799220,0cyclictest0-21swapper/521:50:125
1685873992222,0cyclictest0-21swapper/422:45:144
1685873992222,0cyclictest0-21swapper/422:45:134
1685873992222,0cyclictest0-21swapper/400:25:134
168587399220,21cyclictest0-21swapper/423:45:004
168587399220,21cyclictest0-21swapper/423:20:154
168587399220,21cyclictest0-21swapper/423:10:124
168587399220,21cyclictest0-21swapper/422:30:124
168587399220,21cyclictest0-21swapper/422:25:144
168587399220,21cyclictest0-21swapper/419:20:114
168587399220,21cyclictest0-21swapper/400:20:014
168587399220,1cyclictest1772688-21awk21:40:004
1685870992221,1cyclictest0-21swapper/300:00:133
168587099220,21cyclictest0-21swapper/322:55:123
168587099220,21cyclictest0-21swapper/321:35:153
168587099220,21cyclictest0-21swapper/319:10:123
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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