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2026-01-20 - 00:19
[ 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 Mon Jan 19, 2026 12:43:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1653729582,9sleep20-21swapper/207:09:082
1635129175,11sleep00-21swapper/007:06:410
1648128567,14sleep10-21swapper/107:08:241
1641628269,9sleep30-21swapper/307:07:333
16696992723,3cyclictest32-21ksoftirqd/209:05:002
16692992418,4cyclictest10625-21diskmemload12:05:191
43372220,2sleep30-21swapper/311:00:503
1669299222,2cyclictest21565-21kworker/1:109:56:531
1669099229,6cyclictest25695-21munin-run08:35:000
16690992220,1cyclictest19389-21apache211:52:390
1669999210,1cyclictest0-21swapper/311:29:163
1669299210,21cyclictest0-21swapper/112:29:551
1669099211,19cyclictest0-21swapper/009:17:030
1669999200,3cyclictest0-21swapper/312:17:163
1669699200,18cyclictest0-21swapper/209:14:232
1669299202,18cyclictest0-21swapper/111:48:581
16692992018,1cyclictest0-21swapper/111:50:131
1669099200,20cyclictest0-21swapper/012:32:500
1669099200,19cyclictest0-21swapper/011:56:570
16699991917,2cyclictest24260-21kworker/3:112:32:333
1669699192,17cyclictest0-21swapper/212:05:142
1669699190,19cyclictest0-21swapper/212:36:552
16692991913,5cyclictest38150irq/131-snd_hda10:57:061
1669299190,18cyclictest0-21swapper/108:25:121
16690991917,1cyclictest0-21swapper/009:22:300
16690991917,1cyclictest0-21swapper/009:22:300
1669099190,2cyclictest0-21swapper/009:39:300
1669699180,4cyclictest0-21swapper/207:40:122
1669299185,10cyclictest0-21swapper/111:20:141
1669299183,14cyclictest3948-21kworker/1:111:00:351
1669299181,13cyclictest5368-21apt-get09:45:151
1669099180,10cyclictest0-21swapper/011:06:100
1669099180,10cyclictest0-21swapper/011:06:100
1669099180,0cyclictest0-21swapper/010:07:240
1669699170,16cyclictest0-21swapper/209:15:142
16692991716,1cyclictest0-21swapper/112:01:091
1669099173,7cyclictest31120-21munin-run10:20:000
1669099172,2cyclictest141rcu_preempt12:26:390
1669999161,1cyclictest0-21swapper/311:06:473
1669999161,1cyclictest0-21swapper/311:06:473
1669999161,14cyclictest0-21swapper/311:16:163
1669999160,3cyclictest0-21swapper/311:57:523
16696991615,1cyclictest0-21swapper/210:39:132
16696991614,2cyclictest32-21ksoftirqd/211:40:242
1669699160,3cyclictest0-21swapper/211:39:482
1669299161,1cyclictest141rcu_preempt09:25:031
1669299161,13cyclictest15421-21cron10:30:001
16692991611,3cyclictest1346-21head10:40:161
181882150,0sleep10-21swapper/110:11:321
16699991514,1cyclictest0-21swapper/311:50:003
1669999150,15cyclictest0-21swapper/310:07:243
1669699152,6cyclictest10625-21diskmemload09:35:132
16696991514,1cyclictest10625-21diskmemload09:26:552
1669699150,15cyclictest0-21swapper/210:43:002
1669699150,15cyclictest0-21swapper/209:56:182
1669299151,9cyclictest0-21swapper/112:35:371
16692991514,1cyclictest0-21swapper/111:09:071
16692991514,1cyclictest0-21swapper/111:09:071
1669299150,1cyclictest0-21swapper/109:37:431
1669099150,15cyclictest0-21swapper/011:37:070
1669099150,15cyclictest0-21swapper/011:02:080
1669099150,0cyclictest0-21swapper/009:26:130
1669999149,5cyclictest19375-21apache210:47:403
1669999145,6cyclictest32497-21sh10:00:263
16699991414,0cyclictest0-21swapper/309:50:143
16699991412,2cyclictest0-21swapper/309:25:503
16699991411,2cyclictest29980-21cron10:00:003
1669999141,0cyclictest141rcu_preempt12:06:563
1669999140,1cyclictest0-21swapper/309:45:313
1669999140,1cyclictest0-21swapper/309:22:363
1669999140,1cyclictest0-21swapper/309:22:363
1669999140,13cyclictest0-21swapper/311:52:523
1669999140,13cyclictest0-21swapper/311:40:053
1669699147,6cyclictest32-21ksoftirqd/212:11:492
1669699145,3cyclictest3262-21munin-run08:55:002
16696991412,1cyclictest32-21ksoftirqd/210:54:132
1669699141,13cyclictest0-21swapper/211:50:322
16696991411,2cyclictest14051-21tr09:50:152
1669699140,10cyclictest0-21swapper/210:48:232
16692991412,1cyclictest10625-21diskmemload09:51:221
16692991411,2cyclictest0-21swapper/111:57:031
16692991410,3cyclictest28811-21grep09:20:171
16692991410,3cyclictest28811-21grep09:20:171
16692991410,3cyclictest16264-21grep10:30:131
16692991410,2cyclictest3658-21taskset08:55:001
16692991410,2cyclictest10625-21diskmemload11:41:131
1669299140,3cyclictest0-21swapper/112:23:151
16690991410,3cyclictest28282-21cat11:35:000
16690991410,2cyclictest20439-21sort09:35:000
1669099140,3cyclictest0-21swapper/011:17:300
1669099140,14cyclictest0-21swapper/012:05:170
1669099140,14cyclictest0-21swapper/010:12:030
1669099140,14cyclictest0-21swapper/009:47:530
291362130,1sleep110625-21diskmemload12:13:491
1669999139,2cyclictest4191-21lockfile-remove11:40:003
16699991310,2cyclictest28807-21cron09:40:003
16699991310,2cyclictest25781-21grep10:35:203
16699991310,2cyclictest20386-21tune2fs09:15:183
16699991310,2cyclictest16954-21tr10:30:173
1669999130,12cyclictest0-21swapper/308:49:593
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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