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2026-02-04 - 14:34
[ 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 Wed Feb 04, 2026 12:44:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
18893652227170,44sleep70-21swapper/707:08:377
18894252219185,22sleep30-21swapper/307:09:293
18893902219166,17sleep50-21swapper/507:08:595
18892262218163,43sleep10-21swapper/107:06:381
18893642216161,17sleep60-21swapper/607:08:366
18892362215182,21sleep20-21swapper/207:06:472
18870142215183,21sleep40-21swapper/407:05:034
18892432211177,22sleep00-21swapper/007:06:530
19986742430,0sleep70-21swapper/710:15:177
19986742430,0sleep70-21swapper/710:15:177
188968199260,24cyclictest1965097-21turbostat.cron09:20:000
188969099250,1cyclictest0-21swapper/212:20:122
188968699250,24cyclictest0-21swapper/107:10:121
1889700992422,1cyclictest1933857-21apt-get08:25:125
188970099240,23cyclictest1901730-21munin-run07:30:005
188969499240,0cyclictest0-21swapper/308:15:113
188969099240,23cyclictest1893572-21apt-get07:15:112
188969099240,23cyclictest0-21swapper/211:55:112
188968199240,1cyclictest0-21swapper/012:25:140
188970699236,0cyclictest0-21swapper/711:59:387
1889706992323,0cyclictest0-21swapper/710:50:137
1889706992322,1cyclictest1988516-21sendmail-msp10:00:007
1889706992321,1cyclictest1907891-21apt-get07:40:107
188970699230,22cyclictest1913595-21apt-get07:50:137
1889702992321,1cyclictest0-21swapper/611:05:106
188970299230,22cyclictest0-21swapper/611:55:116
188970299230,22cyclictest0-21swapper/609:40:016
188970299230,22cyclictest0-21swapper/607:15:126
188970299230,0cyclictest0-21swapper/612:20:126
1889700992322,1cyclictest1962669-21apt-get09:15:125
1889700992321,1cyclictest19598202sleep509:10:135
188970099230,22cyclictest666-21rs:main5
188970099230,22cyclictest0-21swapper/509:40:005
188970099230,1cyclictest0-21swapper/509:50:015
1889697992321,1cyclictest2049644-21apt-get11:50:134
188969799230,1cyclictest0-21swapper/408:54:594
1889694992321,1cyclictest1967975-21munin-run09:25:003
1889694992321,1cyclictest0-21swapper/310:55:113
188969499230,22cyclictest0-21swapper/312:00:133
188969499230,22cyclictest0-21swapper/311:55:023
188969499230,22cyclictest0-21swapper/308:20:143
188969499230,1cyclictest2023192-21apt-get11:00:123
1889690992322,1cyclictest2026040-21apt-get11:05:112
188969099230,23cyclictest0-21swapper/209:40:012
188969099230,22cyclictest0-21swapper/212:15:122
188969099230,22cyclictest0-21swapper/210:20:122
188969099230,22cyclictest0-21swapper/210:20:122
188969099230,22cyclictest0-21swapper/209:50:002
188969099230,22cyclictest0-21swapper/209:25:102
188969099230,1cyclictest2046790-21apt-get11:45:082
188969099230,1cyclictest0-21swapper/208:20:002
1889686992321,1cyclictest0-21swapper/110:55:121
188968699230,22cyclictest0-21swapper/112:15:011
188968699230,1cyclictest1922167-21apt-get08:05:121
188968699230,1cyclictest0-21swapper/110:30:121
1889681992322,1cyclictest2049644-21apt-get11:50:130
1889681992322,1cyclictest0-21swapper/008:50:130
188968199230,22cyclictest2008896-21apt-get10:35:110
188968199230,22cyclictest0-21swapper/011:55:100
188968199230,1cyclictest1997467-21apt-get10:15:120
188968199230,1cyclictest1997467-21apt-get10:15:120
188970699225,4cyclictest0-21swapper/712:10:387
188970699220,22cyclictest0-21swapper/710:35:117
188970699220,21cyclictest0-21swapper/708:40:137
188970699220,21cyclictest0-21swapper/708:15:117
188970699220,1cyclictest0-21swapper/707:20:127
1889702992221,1cyclictest1974094-21apt-get09:35:096
188970299220,21cyclictest0-21swapper/612:15:136
188970299220,21cyclictest0-21swapper/610:20:126
188970299220,21cyclictest0-21swapper/610:20:116
188970299220,21cyclictest0-21swapper/609:50:016
188970299220,21cyclictest0-21swapper/609:25:116
188970299220,21cyclictest0-21swapper/609:20:146
188970299220,1cyclictest1930569-21munin-run08:19:596
188970299220,1cyclictest0-21swapper/611:45:096
188970299220,1cyclictest0-21swapper/608:10:126
1889700992221,1cyclictest671rcuc/507:40:005
1889700992221,1cyclictest2058476-21apt-get12:05:105
1889700992221,1cyclictest1939560-21apt-get08:35:125
1889700992218,3cyclictest2078574-21turbostat12:40:005
188970099220,22cyclictest2055213-21sendmail12:00:015
188970099220,21cyclictest0-21swapper/512:15:135
188970099220,1cyclictest0-21swapper/508:05:115
1889697992222,0cyclictest0-21swapper/410:10:004
188969799220,22cyclictest0-21swapper/412:25:004
188969799220,21cyclictest2000342-21apt-get10:20:124
188969799220,21cyclictest2000342-21apt-get10:20:124
188969799220,21cyclictest0-21swapper/412:15:184
188969799220,21cyclictest0-21swapper/407:45:134
188969799220,21cyclictest0-21swapper/407:20:134
1889694992222,0cyclictest0-21swapper/308:45:003
1889694992222,0cyclictest0-21swapper/307:30:003
1889694992220,1cyclictest0-21swapper/310:55:003
188969499220,22cyclictest1918891-21awk08:00:003
188969499220,21cyclictest0-21swapper/312:10:123
188969499220,21cyclictest0-21swapper/311:15:103
188969499220,21cyclictest0-21swapper/308:05:113
188969499220,21cyclictest0-21swapper/307:50:123
188969499220,21cyclictest0-21swapper/307:40:103
188969499220,1cyclictest1921743-21turbostat08:04:593
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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