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2026-02-09 - 09:29
[ 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 Sun Feb 08, 2026 19:55:15)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
4123861998875,8cyclictest749035-21sh18:10:300
4123861996751,13cyclictest161626-21sh17:40:080
4123862996655,7cyclictest747557-21sh18:10:261
4123863995948,8cyclictest749146-21multi.sh18:10:312
4123862995749,5cyclictest239554-21execl17:50:031
4123861995743,6cyclictest151ktimers/018:00:160
4123861995736,18cyclictest738938-21sh18:10:030
4123861995736,18cyclictest738938-21sh18:10:030
4123863995345,5cyclictest235250-21sh17:43:252
4123861995334,13cyclictest12450irq/32-eth017:20:140
4123863995244,5cyclictest658388-21od18:06:512
4123863995244,5cyclictest658388-21od18:06:512
4123862995244,5cyclictest233258-21sh17:43:201
4123861995231,18cyclictest4131882-21cut17:30:020
4123861995231,18cyclictest4131882-21cut17:30:020
4123861995120,5cyclictest0-21swapper/017:50:200
4123861994918,7cyclictest157529-21sh17:39:480
4123862994639,4cyclictest737905-21sh18:10:011
4123862994639,4cyclictest737905-21sh18:10:011
4123863994539,3cyclictest0-21swapper/217:50:222
4123863994537,5cyclictest160442-21aten_r2power_fr17:40:042
4123862994535,7cyclictest555169-21spawn18:04:061
4123861994520,4cyclictest0-21swapper/017:45:160
4123863994437,4cyclictest4126833-21Run18:00:142
4123863994435,7cyclictest237803-21sh17:45:032
4123862994435,3cyclictest0-21swapper/118:20:181
4123862994334,6cyclictest240210-21execl17:50:241
4123862994031,6cyclictest4128561-21whetstone-doubl17:20:021
4123863993929,7cyclictest4128573-21munin-run17:20:012
412386299392,30cyclictest4129462-21execl17:20:181
412386199396,11cyclictest0-21swapper/017:05:010
4123861993929,5cyclictest0-21swapper/017:30:130
4123861993923,13cyclictest4126826-21cron17:15:010
4123862993830,5cyclictest242678-21fstime17:56:141
4123862993816,13cyclictest271ktimers/118:25:141
412386299380,32cyclictest4132457-21pipe17:30:171
4123861993832,4cyclictest242896-21pipe18:00:010
4123862993730,5cyclictest159769-21tee17:40:011
4123861993731,4cyclictest1166-21mta-sts-daemon18:20:020
4123861993730,5cyclictest0-21swapper/018:35:200
4123863993629,4cyclictest1168-21mta-sts-daemon18:35:152
4123863993628,4cyclictest0-21swapper/218:30:152
412386399357,20cyclictest1167-21mta-sts-daemon18:15:182
4123863993525,7cyclictest126319-21spawn17:35:012
4123861993523,9cyclictest0-21swapper/017:20:030
4123863993327,3cyclictest0-21swapper/218:25:012
4123863993326,3cyclictest0-21swapper/217:20:222
4123863993223,6cyclictest4130454-21aten_r2power_en17:25:042
4123863993223,6cyclictest4130454-21aten_r2power_en17:25:042
4123863993223,6cyclictest0-21swapper/217:59:442
412386299323,22cyclictest4130379-21fstime17:25:201
412386299323,22cyclictest4130379-21fstime17:25:201
4123862993022,5cyclictest4125618-21aten_r2power_po17:10:021
4123862993022,5cyclictest4123873-21systemd-run17:05:011
4123861993024,3cyclictest0-21swapper/017:10:020
4123862992920,6cyclictest3606335-21systemd-logind18:35:011
4123861992923,4cyclictest564-21dbus-daemon18:35:010
4123863992821,4cyclictest4125438-21aten_r2power_en17:10:022
4123863992820,5cyclictest4126890-21sh17:15:012
4123863992819,6cyclictest816063-21aten_r2power_en18:30:022
4123862992820,5cyclictest4126757-21unixbench_singl17:10:231
4123862992818,5cyclictest0-21swapper/118:15:131
4123862992719,5cyclictest2813478-21cups-browsed18:36:041
4123861992715,9cyclictest0-21swapper/018:20:000
4123861992621,2cyclictest0-21swapper/018:30:010
4123863992318,3cyclictest0-21swapper/217:05:022
412386499193,9cyclictest0-21swapper/318:00:153
412386499181,8cyclictest0-21swapper/317:55:163
412386499171,6cyclictest0-21swapper/318:15:133
412386499166,7cyclictest0-21swapper/318:05:113
412386499166,7cyclictest0-21swapper/318:05:113
412386499163,8cyclictest0-21swapper/318:10:253
412386499162,9cyclictest0-21swapper/317:50:153
412386499162,9cyclictest0-21swapper/317:45:113
412386499161,7cyclictest0-21swapper/317:20:153
412386499153,7cyclictest0-21swapper/317:40:143
412386499153,5cyclictest0-21swapper/317:05:153
412386499141,7cyclictest0-21swapper/318:35:163
412386499141,6cyclictest0-21swapper/318:25:133
412386499141,6cyclictest0-21swapper/318:20:123
412386499132,6cyclictest0-21swapper/317:35:083
412386499131,7cyclictest0-21swapper/317:15:163
412386499131,6cyclictest0-21swapper/317:30:113
412386499130,6cyclictest0-21swapper/318:30:173
412386499122,6cyclictest0-21swapper/317:25:133
412386499122,6cyclictest0-21swapper/317:25:133
412386499121,7cyclictest0-21swapper/317:10:123
41238649982,4cyclictest0-21swapper/317:05:023
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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