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2026-02-09 - 07:47
[ 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 Mon Feb 09, 2026 00:43:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3041728270,8sleep00-21swapper/019:06:410
3037728270,8sleep20-21swapper/219:06:122
3065228168,9sleep30-21swapper/319:09:463
3034427657,15sleep10-21swapper/119:05:451
33292510,0sleep00-21swapper/022:15:130
3076399301,3cyclictest18341-21sort21:45:152
3076399301,3cyclictest18341-21sort21:45:152
3076199280,24cyclictest0-21swapper/121:53:351
3076399250,1cyclictest0-21swapper/222:18:332
217592240,0sleep10-21swapper/100:01:491
3076399230,23cyclictest0-21swapper/222:53:152
30757992319,1cyclictest0-21swapper/022:36:230
46972220,0sleep20-21swapper/221:17:412
3076399220,20cyclictest0-21swapper/222:42:412
3076199221,18cyclictest0-21swapper/123:41:501
30763992121,0cyclictest0-21swapper/223:43:572
3076399210,20cyclictest0-21swapper/200:05:502
30761992117,3cyclictest25-21ksoftirqd/123:32:051
30766992019,1cyclictest23161-21diskmemload23:57:233
30766992011,3cyclictest24835-21apt-get20:05:123
3076199200,17cyclictest0-21swapper/121:16:331
30766991913,4cyclictest381rcuc/323:30:253
30763991910,2cyclictest22306-21wc21:05:222
3076399190,19cyclictest0-21swapper/200:00:102
3076399190,18cyclictest0-21swapper/223:16:082
3076399190,18cyclictest0-21swapper/221:21:402
3076399190,13cyclictest25971-21tr20:05:212
30761991917,2cyclictest0-21swapper/122:49:081
3076199190,1cyclictest0-21swapper/122:15:291
3076199190,18cyclictest0-21swapper/123:07:031
3076699181,14cyclictest16605-21cpu23:40:143
3076699180,1cyclictest0-21swapper/322:29:533
3076399188,3cyclictest18844-21tr21:00:172
3076399180,18cyclictest0-21swapper/221:12:302
3076399180,17cyclictest0-21swapper/223:35:532
3076199180,3cyclictest28792-21sensors_fan22:10:201
3075799184,6cyclictest5465-21munin-run19:25:010
84702173,1sleep023161-21diskmemload22:56:130
3076699170,0cyclictest0-21swapper/321:54:433
3076399179,2cyclictest17717-21cat21:25:202
3076399171,3cyclictest1645-21latency_hist21:55:002
3076399170,3cyclictest0-21swapper/200:12:552
3076399170,16cyclictest0-21swapper/222:31:202
3076199172,2cyclictest141rcu_preempt00:39:061
30761991715,1cyclictest0-21swapper/122:23:141
3076199170,1cyclictest0-21swapper/123:13:351
3076199170,1cyclictest0-21swapper/122:35:061
3076199170,12cyclictest0-21swapper/121:40:131
30757991715,1cyclictest0-21swapper/000:21:370
30757991712,3cyclictest13-21ksoftirqd/023:05:260
3076699166,2cyclictest225-21systemd-journal21:45:163
3076699166,2cyclictest225-21systemd-journal21:45:153
30763991612,3cyclictest329-21dump-pmu-power21:35:002
30763991610,2cyclictest24172-21grep20:00:252
3076399160,13cyclictest0-21swapper/222:22:502
3076199169,3cyclictest11992-21ls22:00:291
3076199162,10cyclictest3334-21ntpq21:55:221
30761991610,3cyclictest38150irq/131-snd_hda00:22:591
3075799163,7cyclictest690-21idleruntime-cro19:15:010
3076699150,14cyclictest0-21swapper/322:59:323
30763991514,1cyclictest32-21ksoftirqd/222:28:192
3076399150,15cyclictest0-21swapper/223:31:412
3076399150,15cyclictest0-21swapper/223:11:332
3076399150,14cyclictest0-21swapper/222:36:172
30761991512,3cyclictest0-21swapper/123:36:471
3076699145,4cyclictest225-21systemd-journal21:55:163
3076699144,1cyclictest141rcu_preempt00:05:203
30766991410,3cyclictest10579-21basename22:00:153
3076699140,9cyclictest0-21swapper/322:40:133
3076699140,13cyclictest0-21swapper/323:17:343
3076399148,4cyclictest2713-21basename22:15:002
3076399147,4cyclictest23161-21diskmemload22:55:142
3076399142,7cyclictest21848-21/usr/sbin/munin22:45:172
30763991413,1cyclictest0-21swapper/223:59:202
30763991411,2cyclictest9008-21wc20:40:002
30763991410,3cyclictest12139-21wc00:15:212
30761991413,1cyclictest23161-21diskmemload23:53:241
30761991413,1cyclictest0-21swapper/122:43:131
30761991411,2cyclictest8750-21idleruntime-cro21:40:001
30761991410,3cyclictest23161-21diskmemload23:03:471
3076199140,2cyclictest31472-21kworker/1:222:33:031
3076199140,14cyclictest0-21swapper/123:16:231
3075799142,7cyclictest7940-21kernelversion23:15:200
3075799141,13cyclictest0-21swapper/023:56:130
30757991411,2cyclictest29673-21grep00:25:290
30757991411,2cyclictest29034-21sleep22:50:010
3075799140,1cyclictest0-21swapper/023:31:190
3076699139,3cyclictest14657-21grep23:00:173
3076699139,3cyclictest10396-21ssh00:34:043
3076699139,3cyclictest10203-21cron19:35:013
3076699137,2cyclictest39-21ksoftirqd/319:50:003
30766991312,1cyclictest39-21ksoftirqd/322:08:363
3076699131,11cyclictest30530-21kworker/u8:022:33:533
30766991310,2cyclictest29027-21apt22:50:003
30766991310,2cyclictest12199-21grep20:45:163
30766991310,2cyclictest0-21swapper/323:26:443
3076699130,13cyclictest0-21swapper/323:47:363
3076399139,3cyclictest19689-21sed22:05:182
30763991310,2cyclictest21682-21grep19:55:252
3076399130,7cyclictest0-21swapper/221:55:102
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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