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2026-01-26 - 09:05
[ 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 100 highest latencies:
System rack2slot7s.osadl.org (updated Sun Jan 25, 2026 19:55:25)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
99494996857,7cyclictest916100-21sh18:10:232
99492996752,12cyclictest916901-21sort18:10:260
99494996034,22cyclictest386978-21sh17:42:352
99493996051,6cyclictest331526-21tee17:40:081
99493995953,3cyclictest0-21swapper/117:30:031
99494995744,7cyclictest828413-21multi.sh18:06:462
99494995744,7cyclictest828413-21multi.sh18:06:462
99493995749,5cyclictest915727-21sh18:10:221
99493995447,3cyclictest0-21swapper/117:50:091
99493995447,3cyclictest0-21swapper/117:50:091
99492995340,7cyclictest151ktimers/017:45:070
99492995246,4cyclictest413050-21execl17:50:120
99492995246,4cyclictest413050-21execl17:50:120
99494995144,3cyclictest0-21swapper/217:50:132
99494995144,3cyclictest0-21swapper/217:50:132
99494995132,17cyclictest553157-21Run18:03:532
99492995138,10cyclictest902184-21multi.sh18:09:380
99492995138,10cyclictest902184-21multi.sh18:09:380
99494995041,5cyclictest987970-21latency_hist18:40:022
99493995041,5cyclictest844443-21tee18:07:221
99493995041,5cyclictest844443-21tee18:07:221
99492994933,13cyclictest385901-21sh17:42:330
99494994725,20cyclictest0-21swapper/217:15:022
99494994635,8cyclictest329856-21tr17:40:012
99494994635,8cyclictest329856-21tr17:40:012
99493994637,6cyclictest981984-21true18:20:011
99493994537,5cyclictest412184-21execl17:50:031
9949499442,14cyclictest985561-21ps18:30:122
9949499441,11cyclictest413800-21fstime17:55:112
99492994437,4cyclictest564-21dbus-daemon18:25:010
99492994437,4cyclictest564-21dbus-daemon18:25:010
99492994436,5cyclictest553161-21Run18:03:230
99494994334,6cyclictest2985145-21cups-browsed17:25:172
99494994334,6cyclictest2985145-21cups-browsed17:25:172
9949499431,12cyclictest980994-21ntpq18:15:142
99492994335,6cyclictest0-21swapper/017:15:010
99494994234,5cyclictest292717-21spawn17:35:012
99493994234,5cyclictest985076-21/usr/sbin/munin18:30:011
99494994122,15cyclictest0-21swapper/217:50:012
99493994135,3cyclictest0-21swapper/117:35:021
99493994134,4cyclictest0-21swapper/117:15:021
99493994031,5cyclictest986498-21latency_hist18:35:011
99492994015,19cyclictest99652-21latency_hist17:05:030
99494993933,3cyclictest0-21swapper/218:30:012
9949499392,16cyclictest104557-21ntpq17:20:102
99494993911,6cyclictest100866-21munin-run17:10:002
99492993933,4cyclictest329845-21idleruntime-cro17:40:010
99492993933,4cyclictest329845-21idleruntime-cro17:40:010
99492993930,6cyclictest3606335-21systemd-logind18:35:010
99493993830,5cyclictest328907-21tee17:39:571
99493993830,5cyclictest328907-21tee17:39:571
9949499379,3cyclictest0-21swapper/218:20:082
9949499379,3cyclictest0-21swapper/218:20:082
99493993729,4cyclictest0-21swapper/117:05:031
99493993727,4cyclictest0-21swapper/118:02:461
99492993731,3cyclictest0-21swapper/018:20:010
9949399362,28cyclictest102824-21dhry2reg17:15:051
99492993629,4cyclictest987870-21fschecks_time18:40:010
9949499352,5cyclictest99506-21sh17:05:012
99494993516,16cyclictest0-21swapper/217:20:012
99493993425,5cyclictest0-21swapper/117:59:431
99492993327,4cyclictest104215-21sort17:20:020
99492993327,3cyclictest0-21swapper/017:35:010
99492993227,2cyclictest0-21swapper/017:25:020
99492993222,5cyclictest0-21swapper/017:57:450
99493993125,3cyclictest0-21swapper/117:30:031
99493993123,5cyclictest104624-21proc_pri17:20:121
99493993023,4cyclictest101054-21latency_hist17:10:011
9949299302,21cyclictest763-21snmpd17:25:040
9949299302,21cyclictest763-21snmpd17:25:040
99492992911,14cyclictest564-21dbus-daemon18:25:040
9949399273,20cyclictest986026-21/usr/sbin/munin18:35:061
99493992619,4cyclictest1168-21mta-sts-daemon18:20:061
99493992619,4cyclictest1168-21mta-sts-daemon18:20:061
99492992621,4cyclictest99491-21cyclictest17:05:100
9949599235,11cyclictest0-21swapper/317:50:183
9949599235,11cyclictest0-21swapper/317:50:183
9949599216,9cyclictest0-21swapper/317:56:133
9949599215,8cyclictest0-21swapper/318:01:153
9949599214,11cyclictest0-21swapper/318:10:213
9949599204,10cyclictest0-21swapper/318:08:113
9949599204,10cyclictest0-21swapper/318:08:113
9949599193,10cyclictest0-21swapper/317:15:013
9949599184,10cyclictest0-21swapper/317:40:363
9949599174,5cyclictest0-21swapper/317:35:073
9949599174,5cyclictest0-21swapper/317:35:073
9949599173,9cyclictest0-21swapper/317:45:293
9949599172,6cyclictest0-21swapper/318:30:053
9949599162,9cyclictest0-21swapper/317:34:573
9949599162,9cyclictest0-21swapper/317:05:033
9949599161,7cyclictest0-21swapper/317:25:053
9949599161,7cyclictest0-21swapper/317:25:053
9949599153,8cyclictest0-21swapper/318:19:553
9949599141,8cyclictest0-21swapper/318:20:083
9949599141,8cyclictest0-21swapper/318:20:083
9949599133,7cyclictest0-21swapper/317:15:073
9949599133,7cyclictest0-21swapper/317:10:023
9949599133,5cyclictest0-21swapper/317:20:043
9949599131,7cyclictest0-21swapper/318:25:043
9949599122,5cyclictest0-21swapper/318:35:043
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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