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2026-01-19 - 00:06
[ 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 Sun Jan 18, 2026 12:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1879929566,9sleep20-21swapper/207:06:022
1877329372,16sleep30-21swapper/307:05:433
1882228976,9sleep00-21swapper/007:06:200
1897828171,6sleep10-21swapper/107:08:221
101522540,0sleep10-21swapper/110:47:121
1920399272,12cyclictest4026-21hddtemp_smartct10:05:172
1920399270,2cyclictest0-21swapper/208:35:132
1920699251,9cyclictest0-21swapper/308:20:243
1920399250,14cyclictest0-21swapper/212:03:172
1919799240,22cyclictest0-21swapper/010:47:090
1920199230,23cyclictest0-21swapper/111:14:321
1920199230,22cyclictest0-21swapper/112:37:371
1920399220,22cyclictest0-21swapper/211:32:322
19201992217,1cyclictest0-21swapper/109:38:471
1919799220,0cyclictest0-21swapper/009:52:130
1920699210,19cyclictest0-21swapper/309:25:223
1920399211,1cyclictest0-21swapper/209:25:122
1920399210,9cyclictest0-21swapper/210:57:392
1920399210,3cyclictest0-21swapper/211:35:162
1920399210,1cyclictest0-21swapper/211:27:082
1920199210,21cyclictest0-21swapper/110:08:361
1919799210,20cyclictest0-21swapper/011:44:010
19206992016,3cyclictest20829-21systemd-tmpfile11:12:563
1920699201,13cyclictest0-21swapper/310:00:243
1920399202,3cyclictest0-21swapper/210:05:012
1920199200,20cyclictest0-21swapper/109:58:241
1919799200,1cyclictest0-21swapper/012:22:450
108602200,0sleep30-21swapper/310:28:433
1920399190,6cyclictest0-21swapper/210:15:192
1920399190,4cyclictest0-21swapper/211:55:262
19201991917,2cyclictest0-21swapper/111:27:121
1920199190,1cyclictest0-21swapper/111:08:241
1920199190,19cyclictest0-21swapper/110:58:111
1920199190,17cyclictest0-21swapper/110:25:471
1919799190,0cyclictest0-21swapper/011:25:590
1919799190,0cyclictest0-21swapper/011:20:210
1920399182,4cyclictest9669-21latency_hist09:50:012
1920199180,2cyclictest0-21swapper/110:22:151
1920199180,18cyclictest0-21swapper/111:32:071
1920199180,17cyclictest0-21swapper/111:01:531
1920399179,2cyclictest29357-21cron10:40:002
1920399179,2cyclictest27563-21head08:40:172
1920399173,2cyclictest20448-21/usr/sbin/munin09:55:262
19203991711,5cyclictest10911-21grep09:50:142
19203991710,6cyclictest17028-21cron08:20:012
1920399170,4cyclictest0-21swapper/211:20:332
19201991716,1cyclictest0-21swapper/110:50:381
19201991715,1cyclictest14356-21pmu-power10:30:181
1920199170,1cyclictest0-21swapper/112:17:191
1920199170,15cyclictest6680-21diskmemload12:09:341
19197991716,0cyclictest0-21swapper/012:14:270
1919799170,0cyclictest0-21swapper/011:45:560
311892160,0chrt0-21swapper/311:57:383
19206991615,1cyclictest0-21swapper/310:13:343
1920399163,3cyclictest31874-21awk11:20:002
1920399162,12cyclictest26854-21sshd12:33:562
19203991615,1cyclictest0-21swapper/210:20:032
19201991614,2cyclictest0-21swapper/112:23:161
19201991612,3cyclictest0-21swapper/111:40:221
1920199160,15cyclictest0-21swapper/112:33:521
19197991615,1cyclictest0-21swapper/010:24:500
1920699157,1cyclictest25651-21apt-get09:40:153
19206991512,1cyclictest25679-21ssh10:18:173
1920699151,1cyclictest0-21swapper/311:18:593
1920399158,2cyclictest8531-21ssh09:30:052
1920399158,2cyclictest32560-21tr11:00:202
1920399158,2cyclictest19442-21turbostat.cron08:25:002
1920399158,2cyclictest13716-21grep08:10:222
1920399158,1cyclictest28685-21cat12:35:122
1920399157,3cyclictest13053-21wc12:25:202
1920399155,2cyclictest225-21systemd-journal11:44:372
1920399150,7cyclictest12764-21strings10:10:182
1920399150,1cyclictest0-21swapper/211:45:502
1920199159,3cyclictest225-21systemd-journal07:14:571
1920199152,13cyclictest6680-21diskmemload09:40:321
19201991511,3cyclictest19755-21ssh11:50:251
1920199151,12cyclictest32027-21latency_hist08:55:001
1920199150,2cyclictest0-21swapper/111:57:281
1920199150,15cyclictest0-21swapper/109:49:351
1920199150,15cyclictest0-21swapper/109:12:221
1919799151,5cyclictest537-21snmpd12:34:030
19197991515,0cyclictest0-21swapper/012:01:580
19197991510,3cyclictest24671-21tr09:20:150
1919799150,15cyclictest0-21swapper/010:12:310
19206991411,2cyclictest28218-21perf12:35:003
19206991411,2cyclictest27049-21cat08:40:143
19206991410,3cyclictest8592-21uname11:05:223
1920399148,2cyclictest8919-21pluginstate08:00:172
1920399148,2cyclictest31928-21sh09:43:472
1920399148,2cyclictest18975-21ssh11:11:312
1920399148,2cyclictest16378-21ssh10:31:252
1920399148,2cyclictest11815-21ssh10:48:292
1920399148,1cyclictest6491-21cat10:25:262
1920399148,1cyclictest31946-21ssh10:40:292
1920399148,1cyclictest20374-21ssh09:36:222
1920399148,1cyclictest12989-21ssh11:08:262
1920399146,2cyclictest5984-21wc07:50:212
1920399142,9cyclictest22662-21/usr/sbin/munin08:30:172
19203991411,2cyclictest0-21swapper/209:15:432
1920399140,10cyclictest27291-21ssh09:21:122
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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