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2026-01-16 - 10:47
[ 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 Jan 16, 2026 00:44:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
13282182235179,43sleep40-21swapper/419:07:214
13282242224191,21sleep10-21swapper/119:07:261
13282292221183,24sleep60-21swapper/619:07:326
13282662212174,25sleep50-21swapper/519:08:025
13282302212176,22sleep70-21swapper/719:07:327
13282232211177,22sleep00-21swapper/019:07:250
13282162211180,20sleep20-21swapper/219:07:192
13283002210181,18sleep30-21swapper/319:08:323
132864099340,32cyclictest0-21swapper/400:25:004
132863399310,25cyclictest1513467-21latency_hist00:30:002
1328640992820,7cyclictest1513466-21idleruntime-cro00:30:004
1328640992721,5cyclictest1400898-21idleruntime-cro21:15:004
132863399270,1cyclictest1378078-21perf-exec20:35:002
1328633992621,5cyclictest1406658-21idleruntime-cro21:25:002
132864099250,21cyclictest0-21swapper/420:20:124
1328633992521,3cyclictest0-21swapper/220:35:122
1328633992519,5cyclictest0-21swapper/200:00:002
132863399250,0cyclictest0-21swapper/223:15:112
132863099250,24cyclictest0-21swapper/122:35:121
1328640992422,1cyclictest1384203-21apt-get20:45:114
1328640992420,3cyclictest0-21swapper/423:15:114
132864099240,0cyclictest0-21swapper/419:10:134
132863399240,23cyclictest1481483-21dpkg23:35:012
1328630992424,0cyclictest0-21swapper/122:55:111
132862699240,23cyclictest1473302-21apt-get23:20:110
132864899230,22cyclictest0-21swapper/723:10:007
132864899230,1cyclictest0-21swapper/720:15:007
1328646992321,1cyclictest1472901-21sendmail-msp23:20:016
1328646992321,1cyclictest1441865-21apt-get22:25:126
1328646992321,1cyclictest1378481-21apt-get20:35:126
1328646992321,1cyclictest0-21swapper/619:35:016
132864699230,22cyclictest0-21swapper/600:25:006
132864699230,0cyclictest0-21swapper/600:00:136
132864099230,22cyclictest0-21swapper/423:50:104
132864099230,0cyclictest0-21swapper/420:15:204
1328633992321,2cyclictest1458997-21apt-get22:55:112
1328633992320,3cyclictest0-21swapper/222:50:122
1328633992320,3cyclictest0-21swapper/222:50:122
1328633992320,2cyclictest1433023-21apt-get22:10:112
1328633992319,4cyclictest0-21swapper/200:35:132
132863399230,22cyclictest1398478-21apt-get21:10:132
132863399230,22cyclictest1395216-21awk21:05:002
132863399230,22cyclictest0-21swapper/200:30:112
132862699230,22cyclictest1496263-21basename00:00:010
132862699230,1cyclictest1380917-21munin-run20:40:000
1328648992221,1cyclictest1355362-21apt-get19:55:107
1328648992220,1cyclictest0-21swapper/700:25:137
132864899220,22cyclictest0-21swapper/719:30:017
132864899220,21cyclictest0-21swapper/723:40:107
132864899220,21cyclictest0-21swapper/723:30:007
132864899220,21cyclictest0-21swapper/721:55:137
132864899220,21cyclictest0-21swapper/720:55:127
132864899220,21cyclictest0-21swapper/720:30:007
132864899220,21cyclictest0-21swapper/719:45:127
132864899220,1cyclictest1407053-21apt-get21:25:127
1328646992220,1cyclictest0-21swapper/622:30:116
132864699220,22cyclictest0-21swapper/623:35:026
132864699220,21cyclictest1424047-21idleruntime-cro21:55:006
132864699220,21cyclictest0-21swapper/622:35:136
132864699220,21cyclictest0-21swapper/619:40:106
132864699220,21cyclictest0-21swapper/619:15:116
132864699220,21cyclictest0-21swapper/600:35:146
132864699220,21cyclictest0-21swapper/600:30:136
132864699220,1cyclictest1392316-21cron21:00:006
132864699220,1cyclictest0-21swapper/623:40:106
1328641992221,1cyclictest1407053-21apt-get21:25:125
1328641992221,1cyclictest1375633-21apt-get20:30:145
132864199220,21cyclictest1401327-21apt-get21:15:115
132864199220,21cyclictest1369929-21apt-get20:20:125
132864199220,21cyclictest0-21swapper/522:45:135
132864199220,21cyclictest0-21swapper/522:45:135
132864199220,21cyclictest0-21swapper/521:55:135
132864199220,1cyclictest1488108-21apt-get23:45:115
132864199220,1cyclictest1439012-21apt-get22:20:125
1328640992221,1cyclictest0-21swapper/420:40:014
1328640992219,3cyclictest0-21swapper/421:55:144
1328640992218,4cyclictest0-21swapper/420:35:014
132864099220,21cyclictest0-21swapper/420:10:124
132864099220,21cyclictest0-21swapper/400:00:124
1328636992221,1cyclictest1476153-21apt-get23:25:133
1328636992221,1cyclictest1447146-21turbostat22:35:003
132863699220,22cyclictest1386636-21munin-run20:50:003
132863699220,22cyclictest1383790-21perf20:45:013
132863699220,21cyclictest0-21swapper/323:40:103
132863699220,21cyclictest0-21swapper/321:20:123
132863699220,21cyclictest0-21swapper/321:10:123
1328633992220,1cyclictest1372777-21apt-get20:25:112
1328633992218,0cyclictest0-21swapper/220:00:122
132863399220,21cyclictest1335387-21apt-get19:20:122
132863399220,21cyclictest0-21swapper/222:35:122
132863399220,21cyclictest0-21swapper/222:20:112
132863399220,21cyclictest0-21swapper/219:30:112
132863399220,21cyclictest0-21swapper/200:20:122
132863399220,1cyclictest0-21swapper/219:20:002
1328630992221,1cyclictest1519182-21munin-run00:40:001
1328630992221,1cyclictest0-21swapper/123:05:001
1328630992221,1cyclictest0-21swapper/121:50:121
1328630992221,1cyclictest0-21swapper/120:25:111
132863099220,21cyclictest0-21swapper/122:10:111
132863099220,21cyclictest0-21swapper/121:05:091
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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