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2026-03-04 - 13:40
[ 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 Wed Mar 04, 2026 00:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
36029178,9sleep00-21swapper/019:08:140
3083128966,18sleep20-21swapper/219:05:062
46928861,16sleep10-21swapper/119:09:311
3263728859,9sleep30-21swapper/319:05:483
114612520,0sleep00-21swapper/023:15:400
621993027,2cyclictest94-21kswapd021:37:281
62199290,29cyclictest0-21swapper/122:10:381
62199290,29cyclictest0-21swapper/122:10:381
624992524,1cyclictest0-21swapper/223:20:152
626992422,1cyclictest0-21swapper/300:03:303
62499240,24cyclictest0-21swapper/223:08:342
62499240,23cyclictest0-21swapper/222:50:252
62499230,23cyclictest0-21swapper/222:58:242
62499230,0cyclictest0-21swapper/223:33:102
62199230,22cyclictest0-21swapper/120:15:151
624992220,1cyclictest32700-21grep22:30:232
624992219,1cyclictest0-21swapper/222:39:252
62499220,22cyclictest0-21swapper/223:47:092
62199222,1cyclictest25618-21diskmemload22:52:151
621992220,2cyclictest25-21ksoftirqd/122:08:361
62199220,22cyclictest0-21swapper/100:24:201
617992214,8cyclictest13-21ksoftirqd/022:54:570
62499210,1cyclictest0-21swapper/222:06:092
62199210,21cyclictest0-21swapper/123:29:111
62199210,1cyclictest0-21swapper/121:47:481
62699201,1cyclictest0-21swapper/320:15:143
62699200,17cyclictest0-21swapper/321:52:303
62499200,19cyclictest0-21swapper/221:51:142
62199201,1cyclictest25618-21diskmemload23:46:041
617992017,2cyclictest13-21ksoftirqd/022:42:270
61799200,20cyclictest0-21swapper/023:39:290
61799200,17cyclictest0-21swapper/021:33:410
61799200,17cyclictest0-21swapper/021:25:270
624991918,1cyclictest0-21swapper/223:53:172
62499190,18cyclictest0-21swapper/223:19:032
62499190,17cyclictest0-21swapper/222:44:532
62699180,17cyclictest0-21swapper/322:55:573
621991817,1cyclictest0-21swapper/122:15:181
62199180,18cyclictest0-21swapper/122:23:101
61799181,16cyclictest0-21swapper/021:36:530
62499170,17cyclictest0-21swapper/222:49:062
62499170,17cyclictest0-21swapper/221:20:042
62199172,11cyclictest0-21swapper/123:20:171
621991715,2cyclictest0-21swapper/100:31:421
621991715,1cyclictest4214-21apt-get20:25:131
62199170,17cyclictest0-21swapper/122:49:161
62699164,10cyclictest12922-21/usr/sbin/munin22:00:203
626991614,2cyclictest0-21swapper/323:46:463
62499162,13cyclictest25357-21sh00:22:232
624991615,1cyclictest0-21swapper/221:39:002
62499160,1cyclictest0-21swapper/221:17:342
62499160,0cyclictest0-21swapper/222:19:392
62199163,10cyclictest406-21kworker/1:223:51:071
62199162,1cyclictest25618-21diskmemload23:37:531
621991614,2cyclictest0-21swapper/123:00:471
62199160,7cyclictest0-21swapper/122:27:571
62199160,1cyclictest0-21swapper/100:36:521
62199160,14cyclictest0-21swapper/123:30:171
61799164,6cyclictest7770-21perf19:25:000
617991613,2cyclictest0-21swapper/023:47:460
617991611,4cyclictest6568-21apache200:33:020
62699155,5cyclictest20136-21munin-node21:45:103
62699153,11cyclictest9114-21ssh00:31:543
62499150,15cyclictest0-21swapper/223:13:492
62199156,9cyclictest38150irq/131-snd_hda00:01:081
62199152,2cyclictest0-21swapper/123:12:411
621991514,1cyclictest0-21swapper/121:22:201
617991511,2cyclictest2721-21grep23:30:160
62699146,5cyclictest13473-21/usr/sbin/munin00:35:173
62699143,10cyclictest0-21swapper/323:01:493
62699142,5cyclictest25618-21diskmemload22:20:143
626991411,2cyclictest25618-21diskmemload21:42:083
62699141,11cyclictest5777-21runrttasks23:12:493
62499147,5cyclictest55650irq/127-enp2s0-22:10:122
62499147,5cyclictest55650irq/127-enp2s0-22:10:122
624991412,2cyclictest11935-21wget21:40:152
62499140,1cyclictest0-21swapper/221:29:112
62499140,14cyclictest0-21swapper/221:32:522
62499140,14cyclictest0-21swapper/221:10:592
62499140,14cyclictest0-21swapper/200:37:102
62199149,4cyclictest14918-21cron19:40:001
62199140,6cyclictest2754-31find00:10:101
62199140,1cyclictest0-21swapper/121:59:061
617991412,2cyclictest13-21ksoftirqd/021:18:290
617991410,3cyclictest17428-21wc19:45:000
617991410,2cyclictest11757-21grep20:40:130
62699139,3cyclictest4787-21head00:10:173
62699134,7cyclictest6559-21sh23:51:483
62699133,5cyclictest29678-21apache_volume22:10:123
62699133,5cyclictest29678-21apache_volume22:10:123
62699132,1cyclictest18482-21munin-run20:55:003
62699131,2cyclictest0-21swapper/322:43:273
626991312,1cyclictest0-21swapper/322:27:373
626991310,1cyclictest0-21swapper/323:30:173
62699130,10cyclictest15213-21apt-get19:40:123
62499139,3cyclictest20598-21grep19:50:162
62499134,7cyclictest6027-21/usr/sbin/munin00:30:172
62499132,6cyclictest0-21swapper/220:45:152
624991310,2cyclictest31954-21cut20:15:142
624991310,2cyclictest26563-21df23:25:162
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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