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2026-02-22 - 10:02
[ 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 #1, slot #6

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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  Intel
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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack1slot6s.osadl.org (updated Sun Feb 22, 2026 00:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
990099988,26cyclictest0-21swapper/220:43:362
248599980,7rtkit-daemon0-21swapper/318:36:043
990099965,29cyclictest0-21swapper/218:53:462
990099955,36cyclictest0-21swapper/222:32:532
990099944,27cyclictest0-21swapper/221:28:512
9900999312,35cyclictest0-21swapper/222:38:422
990099929,19cyclictest0-21swapper/221:38:532
990099929,19cyclictest0-21swapper/221:38:532
990099917,32cyclictest0-21swapper/221:49:492
990099914,48cyclictest0-21swapper/222:36:342
9900999135,13cyclictest0-21swapper/223:11:152
990099894,30cyclictest0-21swapper/221:21:272
990199884,9cyclictest23306-21cut22:08:363
990199884,76cyclictest0-21swapper/320:37:543
990099885,29cyclictest0-21swapper/222:22:582
990099885,29cyclictest0-21swapper/222:22:582
990199873,11cyclictest0-21swapper/320:08:203
9900998722,13cyclictest0-21swapper/222:53:502
990199864,59cyclictest0-21swapper/323:28:483
990199863,12cyclictest0-21swapper/321:45:333
9900998636,14cyclictest0-21swapper/222:13:482
990199859,54cyclictest0-21swapper/321:10:543
990199854,73cyclictest0-21swapper/319:10:503
990199854,65cyclictest0-21swapper/322:43:163
990199854,12cyclictest0-21swapper/322:02:403
9901998511,51cyclictest12087-21ssh20:15:343
9901998511,51cyclictest12087-21ssh20:15:343
990199844,8cyclictest31211-21fschecks_count23:08:353
990199843,74cyclictest0-21swapper/321:41:003
990199843,74cyclictest0-21swapper/321:41:003
990199843,59cyclictest0-21swapper/321:24:573
9901998415,47cyclictest27620-21munin-node23:03:323
9901998415,47cyclictest27620-21munin-node23:03:323
990199836,8cyclictest121850irq/46-eth020:43:423
990199836,70cyclictest0-21swapper/322:52:483
990199834,72cyclictest0-21swapper/320:09:493
990199834,59cyclictest0-21swapper/321:30:203
990199833,11cyclictest0-21swapper/323:20:163
9901998315,47cyclictest13492-21ssh21:04:463
990199828,51cyclictest121850irq/46-eth020:18:383
990199823,72cyclictest0-21swapper/321:53:173
990199823,12cyclictest0-21swapper/320:58:333
990199823,11cyclictest0-21swapper/321:56:183
990199823,11cyclictest0-21swapper/318:15:593
9901998212,62cyclictest22205-21fschecks_time21:18:403
990199815,70cyclictest0-21swapper/320:56:373
990199814,70cyclictest0-21swapper/322:33:343
990199814,13cyclictest0-21swapper/320:48:523
990199814,11cyclictest0-21swapper/322:43:243
990199813,8cyclictest2639-21idleruntime-cro20:03:233
990199813,12cyclictest0-21swapper/319:51:293
990199808,51cyclictest0-21swapper/320:23:573
990199804,59cyclictest0-21swapper/319:33:543
990199804,59cyclictest0-21swapper/319:33:543
990199804,55cyclictest0-21swapper/321:17:023
990199803,60cyclictest0-21swapper/322:58:323
990199803,60cyclictest0-21swapper/322:58:323
990199803,14cyclictest0-21swapper/318:13:253
990199803,11cyclictest0-21swapper/323:24:563
990199803,11cyclictest0-21swapper/318:58:563
990199803,10cyclictest4436-21cut22:28:363
990199803,10cyclictest32221-21perl21:33:403
990199803,10cyclictest0-21swapper/318:56:053
248599800,9rtkit-daemon0-21swapper/121:16:502
990199794,68cyclictest0-21swapper/318:48:263
990199794,12cyclictest0-21swapper/320:29:113
990199793,9cyclictest21000-21unixbench-2d22:03:523
990199793,62cyclictest0-21swapper/322:54:073
990199793,12cyclictest0-21swapper/320:38:433
990199793,10cyclictest0-21swapper/322:13:253
9901997911,43cyclictest31275-21hostname19:53:443
990099795,27cyclictest0-21swapper/220:55:502
989799794,68cyclictest0-21swapper/020:54:530
990199786,51cyclictest0-21swapper/323:18:153
990199784,58cyclictest16535-1kworker/3:2H18:23:273
990199783,49cyclictest780-21diskstats22:23:333
9901997815,47cyclictest1287-21snmpd22:21:253
9901997815,47cyclictest1287-21snmpd22:21:253
9901997813,40cyclictest12957-21unixbench_multi19:13:563
990199773,8cyclictest8645-21munin-run19:08:253
990199773,55cyclictest0-21swapper/319:30:103
990199773,55cyclictest0-21swapper/319:30:103
248599770,7rtkit-daemon0-21swapper/118:40:110
248599760,6rtkit-daemon15164-21df21:08:350
990199758,45cyclictest121850irq/46-eth019:46:523
990199753,52cyclictest0-21swapper/319:23:373
248599750,5rtkit-daemon13525-21iostat18:08:500
248599750,4rtkit-daemon2484-21rtkit-daemon21:59:332
990199744,11cyclictest0-21swapper/318:23:393
990199743,7cyclictest1339-21munin-run18:53:263
990199743,7cyclictest1339-21munin-run18:53:263
990199733,48cyclictest10119-21munin-node18:03:573
990199733,48cyclictest10119-21munin-node18:03:573
248599730,6rtkit-daemon0-21swapper/118:49:030
248599730,6rtkit-daemon0-21swapper/118:49:030
248599730,6rtkit-daemon0-21swapper/118:33:040
248599730,6rtkit-daemon0-21swapper/118:24:570
248599730,5rtkit-daemon23455-21sh22:57:540
248599730,5rtkit-daemon20053-21ssh21:14:130
990199725,59cyclictest0-21swapper/318:38:593
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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