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2026-01-20 - 10:14
[ 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 #7, 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 rack7slot7s.osadl.org (updated Tue Jan 20, 2026 00:43:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3174429749,43sleep20-21swapper/219:08:282
3172329672,19sleep30-21swapper/319:08:133
3067229166,8sleep00-21swapper/019:05:210
3167128265,13sleep10-21swapper/119:07:301
320062770,0sleep00-21swapper/021:52:170
15122680,1sleep00-21swapper/023:10:190
280932530,0sleep30-21swapper/323:06:583
3195399320,31cyclictest0-21swapper/300:38:193
3194799290,29cyclictest0-21swapper/122:18:161
31953992615,10cyclictest19389-21apache223:36:583
3194999230,23cyclictest0-21swapper/223:53:442
3195399221,3cyclictest0-21swapper/321:59:553
3194999220,18cyclictest0-21swapper/222:22:352
3195399211,20cyclictest0-21swapper/300:13:333
3194999210,20cyclictest0-21swapper/221:21:272
3194799214,1cyclictest141rcu_preempt23:55:151
3194799212,4cyclictest141rcu_preempt23:42:441
3195399200,16cyclictest0-21swapper/322:53:263
31947992019,1cyclictest0-21swapper/123:26:431
31947992019,1cyclictest0-21swapper/121:43:021
31953991914,1cyclictest0-21swapper/321:38:223
3194999190,18cyclictest0-21swapper/222:51:162
31947991919,0cyclictest0-21swapper/121:29:231
31947991916,3cyclictest0-21swapper/100:11:041
3194799191,18cyclictest0-21swapper/121:59:251
3194799190,1cyclictest0-21swapper/122:28:161
3194799190,19cyclictest0-21swapper/121:22:411
3194199192,6cyclictest0-21swapper/021:23:580
31953991816,1cyclictest0-21swapper/322:12:073
31953991811,4cyclictest20606-21sh00:20:003
3195399180,1cyclictest0-21swapper/319:55:123
31947991814,2cyclictest0-21swapper/121:32:541
3194199180,17cyclictest0-21swapper/022:55:370
3195399170,0cyclictest0-21swapper/323:10:593
31947991713,4cyclictest0-21swapper/123:36:571
31947991713,1cyclictest0-21swapper/123:01:121
31947991710,6cyclictest0-21swapper/123:32:261
3194799170,1cyclictest0-21swapper/121:36:181
3194799170,12cyclictest29149-21aten2_r7power_p22:10:141
3195399163,10cyclictest55550irq/126-enp2s0-19:10:133
3194999162,1cyclictest4651-21irqstats21:55:202
31949991612,3cyclictest32048-21ls22:30:232
31949991612,3cyclictest2087-21ls23:50:002
3194799161,1cyclictest0-21swapper/120:45:221
3194799160,1cyclictest0-21swapper/123:49:091
3194799160,0cyclictest0-21swapper/122:43:191
31941991615,1cyclictest0-21swapper/022:32:290
3194199160,1cyclictest0-21swapper/022:27:250
31953991511,3cyclictest24721-21wc22:45:263
3195399151,13cyclictest0-21swapper/321:45:163
3195399150,12cyclictest0-21swapper/322:55:023
3195399150,0cyclictest0-21swapper/321:44:323
3194999156,8cyclictest0-21swapper/200:00:142
31949991514,1cyclictest0-21swapper/200:15:452
31949991513,2cyclictest32-21ksoftirqd/221:49:322
31949991513,1cyclictest0-21swapper/221:33:152
31949991511,2cyclictest9316-21ssh22:36:172
3194999150,3cyclictest0-21swapper/222:25:212
3194799153,6cyclictest9017-21cpuspeed_turbos23:15:131
3194799152,13cyclictest19389-21apache223:14:431
3194799151,0cyclictest0-21swapper/100:00:021
3194199154,6cyclictest28140-21awk20:10:000
31941991514,1cyclictest13-21ksoftirqd/022:21:310
3194199150,2cyclictest0-21swapper/021:26:180
3194199150,1cyclictest0-21swapper/023:37:360
31953991412,1cyclictest0-21swapper/321:31:483
31953991410,3cyclictest11502-21cat19:35:003
31953991410,2cyclictest6525-21cut22:35:143
31953991410,2cyclictest29015-21sort20:10:173
3195399140,7cyclictest0-21swapper/319:25:153
3195399140,12cyclictest0-21swapper/321:25:403
31949991411,2cyclictest21964-21tail19:55:152
31949991411,2cyclictest13170-21wc19:35:252
31949991410,2cyclictest18817-21sh00:00:002
31949991410,2cyclictest17740-21grep20:55:142
3194999140,14cyclictest0-21swapper/200:37:142
31947991414,0cyclictest0-21swapper/100:33:031
31947991413,1cyclictest0-21swapper/123:52:511
31947991411,3cyclictest0-21swapper/122:45:541
31947991411,2cyclictest24989-21ssh23:25:001
31947991410,2cyclictest836-21ssh21:15:061
31947991410,2cyclictest0-21swapper/122:39:011
3194199149,1cyclictest0-21swapper/023:47:100
3194199147,4cyclictest13-21ksoftirqd/021:58:030
3194199144,9cyclictest24570-21perf21:10:000
3194199143,7cyclictest0-21swapper/023:21:510
3194199142,11cyclictest0-21swapper/020:45:130
31941991413,1cyclictest0-21swapper/022:35:130
31941991412,2cyclictest31934-21cyclictest22:48:490
31941991410,3cyclictest28918-21cat00:05:210
3195399139,3cyclictest29064-21cut00:05:223
3195399139,3cyclictest12765-21grep19:35:203
3195399139,1cyclictest0-21swapper/323:43:073
3195399132,2cyclictest0-21swapper/323:30:103
3195399131,9cyclictest17607-21apt-get20:55:143
31953991311,2cyclictest39-21ksoftirqd/322:06:583
31953991311,2cyclictest11769-21sh00:33:313
31953991310,2cyclictest411-21cron20:20:003
31953991310,2cyclictest23608-21sh23:05:003
31953991310,2cyclictest20539-21grep19:50:263
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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