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2026-02-03 - 05:15
[ 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 #5, slot #3

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 rack5slot3s.osadl.org (updated Tue Feb 03, 2026 00:44:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
152222240163,25sleep20-21swapper/219:09:462
152312204166,25sleep10-21swapper/119:09:541
149612204167,25sleep30-21swapper/319:06:263
150422200164,25sleep00-21swapper/019:07:270
163122550,3sleep21533999cyclictest21:35:222
130832480,2sleep10-21swapper/123:55:181
15329994312,13cyclictest1837-21munin-run21:05:010
1532999389,14cyclictest14415-21perf20:20:020
1533399341,10cyclictest0-21swapper/100:33:511
1533399331,10cyclictest0-21swapper/121:52:461
1532999331,15cyclictest0-21swapper/022:50:210
1533399321,10cyclictest0-21swapper/122:23:221
1533399321,10cyclictest0-21swapper/121:40:411
1532999317,11cyclictest3086-21awk23:35:000
1533399302,22cyclictest0-21swapper/122:59:021
1533399301,6cyclictest0-21swapper/122:43:381
1533399301,23cyclictest0-21swapper/123:54:111
1533399301,13cyclictest0-21swapper/121:13:251
1533399301,10cyclictest0-21swapper/122:18:431
1533399301,10cyclictest0-21swapper/122:18:431
1533399300,24cyclictest0-21swapper/123:30:121
1533399300,24cyclictest0-21swapper/121:47:521
1532999301,14cyclictest847-21awk23:30:000
1533399291,9cyclictest0-21swapper/123:11:311
1533399291,22cyclictest0-21swapper/123:48:041
1533399291,22cyclictest0-21swapper/120:37:241
1533399291,22cyclictest0-21swapper/119:43:051
1533399291,21cyclictest0-21swapper/121:15:141
1533399291,17cyclictest25638-21vmstat21:55:271
1533399291,16cyclictest4031-21diskmemload21:35:211
1533399291,10cyclictest0-21swapper/121:26:131
1532999291,12cyclictest2828-21cut22:20:130
1534699280,19cyclictest0-21swapper/321:59:023
1533399281,9cyclictest0-21swapper/123:37:111
1533399281,22cyclictest0-21swapper/120:56:381
1533399281,21cyclictest0-21swapper/122:30:561
1533399281,21cyclictest0-21swapper/100:16:521
1533399281,13cyclictest0-21swapper/122:47:121
1533399281,11cyclictest0-21swapper/123:01:281
1533399281,11cyclictest0-21swapper/122:28:591
1533399280,7cyclictest19670-21kworker/u8:023:27:441
1533399280,23cyclictest0-21swapper/123:23:221
1532999282,13cyclictest26011-21munin-run22:00:000
1534699271,16cyclictest0-21swapper/322:15:163
1534699271,16cyclictest0-21swapper/322:15:163
1533399273,10cyclictest0-21swapper/100:36:551
1533399271,6cyclictest0-21swapper/122:01:171
15333992713,9cyclictest0-21swapper/120:43:171
1533399271,13cyclictest0-21swapper/100:21:261
1533399271,11cyclictest0-21swapper/100:27:291
1533399271,10cyclictest0-21swapper/123:06:391
1532999271,14cyclictest3411-21munin-run19:55:000
1532999271,13cyclictest9063-21awk22:35:020
1532999271,12cyclictest0-21swapper/022:27:070
1532999270,11cyclictest17795-21/usr/sbin/munin21:40:120
1533999261,13cyclictest0-21swapper/222:20:132
1533399261,4cyclictest0-21swapper/122:55:001
15333992613,8cyclictest0-21swapper/123:15:351
15333992612,9cyclictest0-21swapper/119:51:011
1533399261,20cyclictest0-21swapper/119:57:361
1533399261,20cyclictest0-21swapper/119:57:361
1533399261,20cyclictest0-21swapper/100:14:071
1533399261,15cyclictest4031-21diskmemload22:13:471
1533399261,12cyclictest16773-21cstates00:05:111
15333992611,10cyclictest0-21swapper/123:41:501
1533399260,15cyclictest0-21swapper/120:15:221
1532999269,3cyclictest16221-21kworker/0:200:05:450
1532999261,13cyclictest22590-21munin-run19:25:010
1534699257,5cyclictest0-21swapper/300:23:433
1534699253,11cyclictest24669-21/usr/sbin/munin23:10:273
15346992513,7cyclictest0-21swapper/323:57:013
1534699251,21cyclictest32062-21/usr/sbin/munin23:25:183
1534699251,19cyclictest9336-21kworker/u8:000:15:523
1534699251,17cyclictest0-21swapper/322:05:283
1534699251,16cyclictest0-21swapper/321:15:443
15346992511,10cyclictest0-21swapper/322:35:143
1534699250,22cyclictest0-21swapper/322:01:183
1533399258,4cyclictest28643-21timerwakeupswit19:35:241
15333992515,3cyclictest0-21swapper/122:07:561
15333992514,3cyclictest0-21swapper/120:48:111
1533399251,3cyclictest0-21swapper/121:30:421
15333992513,6cyclictest0-21swapper/119:28:311
1533399251,21cyclictest8040-21/usr/sbin/munin20:05:231
1533399251,20cyclictest11247-21munin-run22:40:011
1533399251,15cyclictest0-21swapper/119:30:481
1533399251,10cyclictest0-21swapper/121:20:061
1532999252,11cyclictest29219-21kworker/0:100:37:240
1532999251,10cyclictest23470-21kworker/0:322:01:340
1532999250,12cyclictest10638-21basename21:25:010
1534699248,3cyclictest2681-21/usr/sbin/munin22:20:133
1534699243,10cyclictest20616-21/usr/sbin/munin19:20:233
1534699242,9cyclictest3635-21/usr/sbin/munin19:55:283
1534699242,9cyclictest3635-21/usr/sbin/munin19:55:283
1534699241,9cyclictest7441-21sshd20:00:363
1534699241,4cyclictest0-21swapper/322:40:433
1534699241,17cyclictest0-21swapper/322:30:423
1534699241,13cyclictest4031-21diskmemload00:37:223
1534699241,13cyclictest0-21swapper/323:19:503
1534699241,12cyclictest26620-21sshd19:30:363
1534699241,11cyclictest0-21swapper/323:40:423
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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