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2026-01-24 - 06:57
[ 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 #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 Sat Jan 24, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
280029481,9sleep20-21swapper/219:08:512
268029076,9sleep00-21swapper/019:07:160
263028168,9sleep30-21swapper/319:06:393
258827659,13sleep10-21swapper/119:06:051
105872570,1sleep3381rcuc/300:07:563
297999280,13cyclictest0-21swapper/221:48:302
2982992618,8cyclictest17966-21kworker/3:120:42:223
297999260,21cyclictest0-21swapper/200:26:132
55902240,0sleep00-21swapper/021:52:570
2982992420,4cyclictest8975-21kworker/3:200:34:233
2979992420,3cyclictest94-21kswapd021:40:002
2982992321,2cyclictest17966-21kworker/3:121:30:233
298299230,22cyclictest17966-21kworker/3:122:35:333
298299230,22cyclictest17966-21kworker/3:122:22:023
298299230,22cyclictest17966-21kworker/3:121:51:533
297999221,13cyclictest0-21swapper/200:37:522
297999220,21cyclictest0-21swapper/223:01:012
297799220,12cyclictest0-21swapper/122:20:111
2982992119,2cyclictest8975-21kworker/3:200:36:433
2982992118,2cyclictest17966-21kworker/3:122:42:033
297999210,1cyclictest0-21swapper/221:31:282
297799215,11cyclictest10747-21ssh22:15:131
298299200,1cyclictest0-21swapper/321:17:213
297999200,1cyclictest0-21swapper/222:37:452
2977992019,1cyclictest38150irq/131-snd_hda21:25:541
297799200,20cyclictest0-21swapper/121:47:351
297399200,2cyclictest0-21swapper/000:35:130
297399200,17cyclictest0-21swapper/023:48:380
297399200,17cyclictest0-21swapper/023:48:370
2979991911,7cyclictest1492-21grep23:25:142
2979991910,8cyclictest5732-21wc22:30:252
2977991914,2cyclictest25-21ksoftirqd/119:40:001
297799191,2cyclictest0-21swapper/122:33:141
297799190,0cyclictest0-21swapper/121:12:591
298299182,15cyclictest22119-21apt-get21:25:133
2982991817,1cyclictest0-21swapper/300:04:313
2982991814,4cyclictest17966-21kworker/3:122:02:033
297999180,1cyclictest0-21swapper/223:45:122
297999180,1cyclictest0-21swapper/223:45:122
297999180,17cyclictest0-21swapper/223:10:132
2977991818,0cyclictest0-21swapper/122:46:131
298299172,11cyclictest225-21systemd-journal00:24:593
2982991713,4cyclictest17966-21kworker/3:122:05:223
297999179,2cyclictest5825-21tr19:15:142
297999179,2cyclictest17676-21tr22:00:142
297999178,2cyclictest17022-21grep21:59:592
297999174,3cyclictest0-21swapper/220:10:002
297999172,0cyclictest0-21swapper/223:34:252
2977991712,3cyclictest25-21ksoftirqd/122:10:131
2973991712,3cyclictest7507-21sleep23:10:000
2982991613,3cyclictest17966-21kworker/3:121:23:033
297999169,2cyclictest17720-21tail00:30:262
297999168,2cyclictest25187-21head21:00:252
297999168,2cyclictest18766-21perf22:20:012
297999168,2cyclictest10120-21http19:24:592
297999167,2cyclictest8531-21cat21:55:002
2979991612,3cyclictest17869-21sh23:53:302
297799163,12cyclictest15392-21sensors00:10:211
2977991616,0cyclictest0-21swapper/123:12:061
2977991616,0cyclictest0-21swapper/122:38:311
297799160,16cyclictest0-21swapper/122:08:581
297399166,9cyclictest1235-21ntpd23:55:210
2973991613,2cyclictest455-21dbus-daemon00:05:570
298299152,10cyclictest0-21swapper/323:30:133
298299150,2cyclictest0-21swapper/323:11:113
297999159,2cyclictest26979-21grep21:05:182
297999159,2cyclictest24612-21cron23:20:002
297999158,2cyclictest22714-21grep21:25:152
297999157,2cyclictest22000-21sed22:40:162
2979991513,2cyclictest0-21swapper/221:21:242
297799158,4cyclictest24905-21apt-get19:55:131
2977991514,1cyclictest0-21swapper/121:54:061
297799151,13cyclictest0-21swapper/120:15:111
297399158,6cyclictest6868-21/usr/sbin/munin21:35:120
2973991511,3cyclictest30612-21latency_hist00:20:010
298299149,3cyclictest28116-21ssh21:46:583
2982991413,1cyclictest28002-21diskmemload21:40:313
2982991410,3cyclictest29398-21cron20:05:003
2982991410,3cyclictest20557-21sed23:35:243
297999146,6cyclictest4123-21munin-run21:15:002
297999146,3cyclictest16635-21grep22:55:262
2979991410,3cyclictest17421-21cron19:40:002
297999140,3cyclictest0-21swapper/223:08:112
297999140,12cyclictest0-21swapper/200:24:112
297799149,4cyclictest25-21ksoftirqd/122:41:001
297799148,6cyclictest24454-21apache223:29:181
297799141,6cyclictest0-21swapper/121:38:431
2977991411,2cyclictest5320-21dump-pmu-power19:15:001
297799140,6cyclictest0-21swapper/121:42:481
297799140,14cyclictest0-21swapper/100:39:471
297399144,5cyclictest22709-21idleruntime-cro23:00:000
2973991410,3cyclictest22540-21ls22:40:210
297399140,14cyclictest0-21swapper/023:00:130
297399140,13cyclictest14640-21tr21:20:190
298299139,3cyclictest3003-21grep22:10:163
298299139,3cyclictest2521-21cat23:25:193
298299139,3cyclictest11563-21sed22:15:163
298299131,2cyclictest225-21systemd-journal20:00:003
2982991310,2cyclictest9205-21sh00:25:273
2982991310,2cyclictest5169-21head20:20:163
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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