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2026-02-10 - 09:57
[ 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 Mon Feb 09, 2026 19:55:14)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2303778996740,5cyclictest3123397-21rm18:10:250
2303780996656,6cyclictest3124671-21grep18:10:282
2303778996356,4cyclictest0-21swapper/017:50:150
2303780995547,5cyclictest3114652-21od18:10:022
2303780995547,5cyclictest3114652-21od18:10:022
2303779995546,6cyclictest2543319-21od17:40:331
2303778995446,5cyclictest2544894-21multi.sh17:40:380
2303779995243,6cyclictest3115246-21sh18:10:041
2303779995243,6cyclictest3115246-21sh18:10:041
2303778995236,14cyclictest3035117-21multi.sh18:06:510
2303778995236,14cyclictest3035117-21multi.sh18:06:510
2303780995142,6cyclictest2546330-21wc17:40:432
2303778995127,14cyclictest151ktimers/017:15:160
2303779995043,5cyclictest3123061-21rm18:10:241
2303778994837,6cyclictest151ktimers/017:55:130
2303779994737,6cyclictest2614166-21execl17:50:021
2303779994736,8cyclictest3606321-21systemd-journal18:20:011
2303780994335,5cyclictest2303789-21systemd-run17:05:012
230377899435,31cyclictest735-21lldpd17:30:190
2303778994335,5cyclictest564-21dbus-daemon18:40:010
2303780994234,5cyclictest2614166-21execl17:50:042
2303780994234,5cyclictest2614160-21Run17:49:352
2303779994131,6cyclictest2748431-21spawn18:03:191
2303779994032,6cyclictest0-21swapper/118:00:011
2303778994034,4cyclictest2310142-21latency_hist17:25:020
2303778994027,4cyclictest3188908-21grep18:20:010
2303779993931,5cyclictest3191917-21grep18:30:011
2303778993933,4cyclictest3193422-21systemd-run18:35:010
2303780993829,6cyclictest2767848-21spawn18:03:272
2303779993830,5cyclictest2614793-21execl17:50:301
230377899383,30cyclictest564-21dbus-daemon17:25:150
2303779993729,5cyclictest2512021-21sh17:37:561
2303778993730,4cyclictest2889996-21spawn18:03:530
2303780993625,7cyclictest0-21swapper/218:40:012
2303778993610,16cyclictest151ktimers/017:35:160
230378099354,6cyclictest171rcu_preempt17:05:282
2303779993526,6cyclictest2305782-21fschecks_time17:10:061
2303778993528,5cyclictest674-21gdbus17:10:010
2303778993526,6cyclictest2614167-21execl17:50:020
2303780993422,9cyclictest2502907-21ntp_kernel_pll_17:35:142
230378099342,24cyclictest2309422-21execl17:20:492
230377999332,21cyclictest2307685-21sync17:15:151
230378099326,4cyclictest171rcu_preempt18:15:112
2303780993227,2cyclictest0-21swapper/217:20:012
230378099320,28cyclictest2310295-21fstime17:25:192
2303778993226,4cyclictest151ktimers/017:10:310
2303780993124,3cyclictest0-21swapper/217:35:012
2303780993115,11cyclictest3606321-21systemd-journal17:57:042
230377999312,22cyclictest2309422-21execl17:20:491
2303779993120,7cyclictest1167-21mta-sts-daemon18:20:141
2303780993024,3cyclictest0-21swapper/218:30:012
2303780993024,3cyclictest0-21swapper/217:15:012
2303779993023,4cyclictest0-21swapper/117:10:021
2303779993022,5cyclictest2311771-21aten_r2power_en17:30:021
2303778993023,5cyclictest0-21swapper/018:25:020
2303779992923,3cyclictest0-21swapper/117:35:011
2303780992815,10cyclictest3193436-21latency_hist18:35:022
2303779992722,2cyclictest0-21swapper/118:40:011
2303780992517,5cyclictest1002388-21cups-browsed18:20:312
230377899254,7cyclictest2303858-21cat17:05:020
2303779992420,2cyclictest0-21swapper/118:35:011
2303779992417,4cyclictest0-21swapper/117:05:021
2303778992420,2cyclictest0-21swapper/018:20:020
230378199225,12cyclictest0-21swapper/317:57:033
230378199216,10cyclictest0-21swapper/318:10:283
230378199213,9cyclictest0-21swapper/318:05:593
230378199213,9cyclictest0-21swapper/318:05:593
230378199213,9cyclictest0-21swapper/317:45:333
230378199202,10cyclictest0-21swapper/317:40:093
230378199193,9cyclictest0-21swapper/318:00:173
230378199192,9cyclictest0-21swapper/317:30:193
230378199182,12cyclictest0-21swapper/317:20:473
230378199182,10cyclictest0-21swapper/317:50:123
230378199173,7cyclictest0-21swapper/317:25:083
230378199172,9cyclictest0-21swapper/318:35:143
230378199171,9cyclictest0-21swapper/318:25:123
230378199171,8cyclictest0-21swapper/317:10:283
230378199161,9cyclictest0-21swapper/318:20:123
230378199155,6cyclictest0-21swapper/317:35:103
230378199153,6cyclictest0-21swapper/317:15:113
230378199152,8cyclictest0-21swapper/317:05:113
230378199142,7cyclictest0-21swapper/318:30:123
230378199141,7cyclictest0-21swapper/318:15:133
230378199124,6cyclictest0-21swapper/317:05:023
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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