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2026-01-16 - 17:43
[ 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 12:44:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
17774732225167,19sleep60-21swapper/607:08:196
17774542223168,17sleep50-21swapper/507:08:025
17774792220186,22sleep30-21swapper/307:08:243
17774402213183,19sleep20-21swapper/207:07:512
17773842211177,22sleep00-21swapper/007:06:590
17773062211179,20sleep70-21swapper/707:05:547
17774302203171,19sleep10-21swapper/107:07:411
17775762199170,18sleep40-21swapper/407:09:464
18592922680,0sleep30-21swapper/309:30:123
1777838993013,17cyclictest882-21mta-sts-daemon09:15:197
1777836992927,1cyclictest0-21swapper/610:56:436
177783299250,1cyclictest1913458-21apt-get11:05:115
177782799250,24cyclictest1949279-21apt12:10:103
177782799250,24cyclictest1900418-21ntpq10:40:163
177782399250,1cyclictest0-21swapper/209:55:112
177783299240,23cyclictest1867317-21awk09:45:015
177783299240,20cyclictest0-21swapper/510:45:125
1777827992423,1cyclictest1798887-21apt-get07:45:113
1777827992421,2cyclictest646-21dbus-daemon08:20:013
1777827992421,2cyclictest646-21dbus-daemon08:20:003
1777827992421,2cyclictest363-21systemd-journal11:40:003
1777821992423,1cyclictest0-21swapper/107:15:351
177782199240,23cyclictest1893011-21idleruntime-cro10:30:001
177782199240,23cyclictest0-21swapper/112:20:111
1777817992422,1cyclictest0-21swapper/008:40:000
177781799240,23cyclictest0-21swapper/011:15:120
1777838992322,1cyclictest1942869-21apt-get12:00:007
1777836992320,2cyclictest1807031-21idleruntime-cro08:00:016
177783699230,22cyclictest1844608-21apt-get09:05:116
177783699230,22cyclictest0-21swapper/612:20:116
177783699230,22cyclictest0-21swapper/611:15:136
177783699230,22cyclictest0-21swapper/608:25:116
1777832992321,1cyclictest1899165-21apt-get10:40:115
1777832992321,1cyclictest0-21swapper/508:50:015
177783299230,22cyclictest0-21swapper/510:25:135
177783299230,22cyclictest0-21swapper/509:05:015
177783299230,18cyclictest1852002-21grep09:15:195
177782999230,22cyclictest1957428-21cron12:24:594
177782999230,21cyclictest1790290-21apt-get07:30:164
1777827992321,1cyclictest0-21swapper/312:20:003
177782799230,22cyclictest1910605-21apt-get11:00:113
177782799230,22cyclictest1864483-21sendmail-msp09:40:013
177782799230,22cyclictest0-21swapper/311:50:093
177782799230,1cyclictest1804197-21basename07:55:003
177782399230,22cyclictest664-21in:imuxsock09:25:002
177782399230,22cyclictest0-21swapper/208:40:122
1777821992323,0cyclictest0-21swapper/108:20:121
1777821992323,0cyclictest0-21swapper/108:20:121
1777821992320,2cyclictest1870183-21awk09:50:001
177782199230,22cyclictest1937174-21munin-run11:50:001
177782199230,22cyclictest0-21swapper/110:30:111
1777817992321,1cyclictest1898747-21awk10:40:000
1777817992321,1cyclictest0-21swapper/010:55:000
177781799230,22cyclictest1916312-21apt-get11:10:120
177781799230,22cyclictest0-21swapper/012:15:110
177781799230,22cyclictest0-21swapper/008:15:180
177781799230,22cyclictest0-21swapper/008:15:180
177781799230,22cyclictest0-21swapper/008:00:120
177781799230,1cyclictest1790290-21apt-get07:30:160
1777838992221,1cyclictest1787430-21apt-get07:25:107
1777838992221,1cyclictest0-21swapper/711:55:007
177783899220,21cyclictest1963568-21apt-get12:35:127
177783899220,21cyclictest1918735-21apt-get11:15:017
177783899220,21cyclictest0-21swapper/709:20:117
1777836992222,0cyclictest0-21swapper/607:10:146
1777836992221,1cyclictest1841757-21apt-get09:00:116
1777836992221,1cyclictest1818485-21tr08:20:016
1777836992221,1cyclictest1818485-21tr08:20:016
1777836992220,1cyclictest1795603-21munin-run07:39:596
177783699220,21cyclictest0-21swapper/612:30:116
177783699220,21cyclictest0-21swapper/611:45:136
177783699220,1cyclictest1943089-21base6412:00:006
177783699220,1cyclictest1853050-21sendmail-msp09:20:016
177783699220,0cyclictest0-21swapper/610:00:126
1777832992220,1cyclictest0-21swapper/510:50:125
1777832992219,3cyclictest0-21swapper/511:30:125
1777832992218,3cyclictest1778129-21apt-get07:10:095
1777832992215,6cyclictest0-21swapper/512:39:595
177783299220,21cyclictest1884859-21apt-get10:15:115
177783299220,21cyclictest1824607-21apt-get08:30:135
177783299220,21cyclictest0-21swapper/509:20:165
177783299220,1cyclictest1856302-21apt-get09:25:145
177783299220,1cyclictest0-21swapper/509:55:105
1777829992220,1cyclictest1925504-21awk11:30:004
1777829992220,1cyclictest1838467-21munin-run08:55:014
177782999220,21cyclictest0-21swapper/411:55:114
177782999220,21cyclictest0-21swapper/411:35:114
177782999220,21cyclictest0-21swapper/410:30:114
177782999220,21cyclictest0-21swapper/407:20:174
177782999220,0cyclictest0-21swapper/408:30:004
1777827992222,0cyclictest0-21swapper/312:35:003
1777827992220,1cyclictest0-21swapper/309:45:003
177782799220,21cyclictest0-21swapper/312:20:103
177782799220,21cyclictest0-21swapper/310:20:113
177782799220,21cyclictest0-21swapper/309:20:113
177782799220,21cyclictest0-21swapper/307:20:103
177782799220,1cyclictest0-21swapper/307:30:003
1777823992222,0cyclictest0-21swapper/212:20:112
1777823992222,0cyclictest0-21swapper/211:15:122
1777823992222,0cyclictest0-21swapper/210:35:122
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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