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2026-02-04 - 16:39
[ 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 #2, slot #7

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 792 highest latencies:
System rack2slot7s.osadl.org (updated Wed Feb 04, 2026 07:55:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1812855996632,20cyclictest2064259-21multi.sh05:41:031
1812856996456,5cyclictest2630516-21sh06:10:222
1812855996132,26cyclictest2674807-21sh06:12:111
1812855995648,5cyclictest2622829-21sh06:10:021
1812856995547,5cyclictest2123662-21execl05:50:022
1812855995319,9cyclictest2123799-21apt-get05:50:021
181285599520,20cyclictest2127975-21pipe06:00:121
1812856995042,5cyclictest2092154-21multi.sh05:42:142
1812856994941,5cyclictest2124213-21execl05:50:172
1812856994839,5cyclictest2624421-21od06:10:052
1812855994840,5cyclictest2043780-21multi.sh05:40:011
1812854994840,5cyclictest2630589-21sh06:10:220
1812856994637,5cyclictest1813503-21munin-plugin-st05:10:012
1812856994637,5cyclictest1813503-21munin-plugin-st05:10:012
1812856994631,12cyclictest1693738-21cups-browsed06:35:022
1812855994638,5cyclictest1813539-21systemd-run05:10:021
1812855994638,5cyclictest1813539-21systemd-run05:10:021
1812855994638,4cyclictest0-21swapper/105:50:201
181285599452,18cyclictest564-21dbus-daemon05:57:491
1812855994519,3cyclictest0-21swapper/106:35:021
1812854994539,2cyclictest0-21swapper/005:50:240
1812854994538,4cyclictest2594735-21sort06:08:550
1812854994532,11cyclictest2053522-21multi.sh05:40:370
1812856994333,5cyclictest0-21swapper/205:20:142
181285599431,17cyclictest1817115-21execl05:20:151
181285499435,10cyclictest171rcu_preempt06:30:140
1812856994235,4cyclictest2702005-21systemd-run06:40:012
1812855994234,5cyclictest2695965-21aten_r2power_fr06:20:011
1812856994133,5cyclictest2697671-21basename06:25:012
1812855994133,5cyclictest0-21swapper/105:20:011
1812854994136,3cyclictest2696005-21systemd-run06:20:010
1812854994134,5cyclictest1816361-21aten2.4-expect05:20:010
181285499412,36cyclictest1817115-21execl05:20:160
1812856994032,5cyclictest2696012-21aten_r2power_po06:20:012
181285599407,15cyclictest577-21mta-sts-daemon06:25:121
181285599407,15cyclictest577-21mta-sts-daemon06:25:121
1812855994035,3cyclictest0-21swapper/106:40:001
1812856993930,6cyclictest2245517-21spawn06:03:142
1812856993830,5cyclictest2126959-21Run05:59:052
1812854993826,9cyclictest0-21swapper/005:49:470
1812856993730,4cyclictest1816382-21idleruntime-cro05:20:012
1812854993628,6cyclictest2353389-21spawn06:03:410
1812854993625,9cyclictest0-21swapper/005:10:010
1812854993625,9cyclictest0-21swapper/005:10:010
1812854993623,10cyclictest2044144-21tee05:40:030
1812856993527,5cyclictest2043907-21sh05:40:022
1812855993527,5cyclictest2697708-21gltestperf06:25:011
1812854993530,2cyclictest0-21swapper/006:40:010
1812854993513,16cyclictest151ktimers/005:30:070
1812854993328,3cyclictest2128670-21kworker/u8:4-xprtiod06:30:000
1812854993328,3cyclictest2128670-21kworker/u8:4-xprtiod06:30:000
1812854993326,3cyclictest0-21swapper/005:26:500
1812854993326,3cyclictest0-21swapper/005:26:500
1812854993324,7cyclictest2127038-21pipe06:00:020
1812856993227,2cyclictest0-21swapper/205:15:002
1812856993227,2cyclictest0-21swapper/205:15:002
1812855993227,2cyclictest0-21swapper/105:15:001
1812855993227,2cyclictest0-21swapper/105:15:001
1812854993226,3cyclictest0-21swapper/006:25:010
1812856993124,4cyclictest2699299-21fschecks_time06:30:022
1812856993124,4cyclictest2699299-21fschecks_time06:30:022
181285599311,27cyclictest1820375-21pipe05:30:131
181285799301,4cyclictest0-21swapper/306:11:533
1812856992924,2cyclictest0-21swapper/205:25:232
1812856992924,2cyclictest0-21swapper/205:25:232
1812856992919,7cyclictest1168-21mta-sts-daemon05:34:262
1812854992822,4cyclictest1814522-21sed05:10:170
1812854992822,4cyclictest1814522-21sed05:10:170
1812855992717,6cyclictest1819778-21grep05:30:011
1812855992717,6cyclictest1819778-21grep05:30:011
181285799262,3cyclictest0-21swapper/305:25:123
181285799262,3cyclictest0-21swapper/305:25:123
181285799261,5cyclictest0-21swapper/305:20:213
181285799242,3cyclictest0-21swapper/305:35:143
181285799242,3cyclictest0-21swapper/305:10:103
181285799242,3cyclictest0-21swapper/305:10:103
181285799241,6cyclictest0-21swapper/306:00:123
181285799241,5cyclictest0-21swapper/305:45:123
181285799241,4cyclictest0-21swapper/305:30:073
181285799232,3cyclictest0-21swapper/305:40:203
181285799231,5cyclictest0-21swapper/306:05:183
181285799231,4cyclictest0-21swapper/306:15:153
1812855992317,3cyclictest0-21swapper/105:05:011
181285799222,6cyclictest0-21swapper/305:56:593
181285799221,6cyclictest0-21swapper/305:50:193
181285799221,4cyclictest0-21swapper/306:35:173
181285799221,4cyclictest0-21swapper/306:30:093
181285799211,4cyclictest0-21swapper/306:20:113
181285799211,4cyclictest0-21swapper/305:09:563
181285799211,4cyclictest0-21swapper/305:09:563
1812856992115,3cyclictest0-21swapper/205:05:022
181285799201,3cyclictest0-21swapper/305:15:123
181285799190,3cyclictest0-21swapper/306:25:073
181285799190,3cyclictest0-21swapper/306:25:073
181285499171,9cyclictest1-21systemd05:05:000
18128579991,6cyclictest0-21swapper/305:05:003
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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