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2026-01-15 - 03:23
[ 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 Thu Jan 15, 2026 00:43:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1908829975,8sleep00-21swapper/019:09:310
1908528977,8sleep20-21swapper/219:09:282
1885228566,15sleep10-21swapper/119:06:261
1904428168,9sleep30-21swapper/319:08:573
1921099300,1cyclictest12026-21diskmemload00:11:531
1921099282,25cyclictest20155-21munin-run20:20:011
1921099282,25cyclictest20155-21munin-run20:20:001
1921099282,25cyclictest12026-21diskmemload23:04:351
1921099280,23cyclictest25046-21aten2_r7power_e22:15:181
1921099280,1cyclictest0-21swapper/121:10:571
1921099273,23cyclictest12026-21diskmemload23:24:061
1921099272,24cyclictest12026-21diskmemload00:28:051
1921099270,3cyclictest0-21swapper/122:43:541
1921099270,26cyclictest0-21swapper/123:11:411
1921099270,20cyclictest0-21swapper/100:21:121
1921499260,24cyclictest0-21swapper/222:08:052
1921499260,24cyclictest0-21swapper/222:08:042
1921099262,23cyclictest15057-21apt-get21:50:121
1921099261,24cyclictest6583-21ssh23:40:151
1921099260,25cyclictest0-21swapper/122:27:371
1921099260,25cyclictest0-21swapper/122:21:291
1921099260,25cyclictest0-21swapper/121:26:311
1921099253,16cyclictest12026-21diskmemload22:00:051
1921099252,18cyclictest926-21awk23:55:281
1921099251,3cyclictest12026-21diskmemload23:08:351
1921099250,25cyclictest0-21swapper/123:47:531
1921099250,24cyclictest0-21swapper/100:18:371
1921099250,20cyclictest0-21swapper/123:52:371
1921099250,1cyclictest0-21swapper/122:31:001
1921099250,1cyclictest0-21swapper/121:32:241
1921099242,21cyclictest12026-21diskmemload22:09:371
1921099242,21cyclictest12026-21diskmemload22:09:361
1921099242,21cyclictest0-21swapper/100:07:381
1921099241,22cyclictest12026-21diskmemload21:35:421
1921099240,23cyclictest0-21swapper/123:35:111
1921099240,1cyclictest12026-21diskmemload22:48:541
1921099240,1cyclictest0-21swapper/122:10:261
19214992319,3cyclictest0-21swapper/221:40:172
1921499230,3cyclictest0-21swapper/221:23:362
1921499230,23cyclictest0-21swapper/222:27:272
1921499230,23cyclictest0-21swapper/200:17:252
1921499230,22cyclictest0-21swapper/221:15:002
1921099232,20cyclictest12026-21diskmemload21:45:431
1921099231,2cyclictest0-21swapper/121:22:401
1921099231,19cyclictest0-21swapper/122:50:501
1921099230,3cyclictest0-21swapper/121:58:471
1921099230,22cyclictest0-21swapper/123:32:131
1921099230,22cyclictest0-21swapper/123:15:281
1921099230,22cyclictest0-21swapper/122:59:491
1921099230,22cyclictest0-21swapper/122:36:491
1921099230,22cyclictest0-21swapper/100:00:261
1921099230,21cyclictest0-21swapper/123:25:121
1921099230,1cyclictest0-21swapper/121:17:011
1921099230,1cyclictest0-21swapper/100:32:381
19218992221,1cyclictest0-21swapper/319:49:413
1921499220,2cyclictest0-21swapper/222:32:212
1921499220,22cyclictest0-21swapper/223:43:052
19204992219,2cyclictest13-21ksoftirqd/023:30:010
1921899210,20cyclictest0-21swapper/323:00:213
19214992120,1cyclictest0-21swapper/222:40:432
1921099211,19cyclictest0-21swapper/119:30:211
1921099210,3cyclictest21629-21grep20:20:211
1921099210,1cyclictest24929-21perf20:30:011
1921099210,1cyclictest0-21swapper/100:38:461
1921899205,12cyclictest39-21ksoftirqd/321:15:143
1920499202,1cyclictest141rcu_preempt23:50:170
1920499201,2cyclictest0-21swapper/022:17:570
19214991918,1cyclictest0-21swapper/223:58:052
1921499190,19cyclictest0-21swapper/221:53:522
1921499190,19cyclictest0-21swapper/200:13:182
1921499190,18cyclictest0-21swapper/200:35:162
1921499190,16cyclictest0-21swapper/221:46:382
19210991918,1cyclictest0-21swapper/120:55:121
1921099190,1cyclictest0-21swapper/121:40:141
1921099190,17cyclictest0-21swapper/119:10:181
1920499197,6cyclictest31408-21munin-run22:00:010
19204991816,1cyclictest19199-21cyclictest21:27:120
19214991717,0cyclictest0-21swapper/223:50:212
1921499170,17cyclictest0-21swapper/200:04:162
1921099173,13cyclictest29685-21idleruntime-cro20:40:001
1921099171,14cyclictest2473-21ntpq19:40:201
1921099170,16cyclictest0-21swapper/119:20:221
1921099170,14cyclictest0-21swapper/119:35:121
268992160,1sleep00-21swapper/000:10:520
1921499160,16cyclictest0-21swapper/223:28:502
1921499160,13cyclictest0-21swapper/200:06:032
1921099161,13cyclictest4322-21fschecks_count19:45:171
1921099160,1cyclictest0-21swapper/120:10:281
1921099160,15cyclictest0-21swapper/120:40:201
1920499163,6cyclictest449-21irqbalance23:15:020
1920499163,11cyclictest3336-21apache_volume23:00:120
1921899151,13cyclictest29833-21ssh23:35:103
19214991515,0cyclictest0-21swapper/223:39:502
1921099159,5cyclictest8765-21grep19:55:131
1921099158,6cyclictest1767-21grep20:45:251
1921099153,11cyclictest8138-21apache219:50:111
1921099150,1cyclictest0-21swapper/120:05:261
1921099150,1cyclictest0-21swapper/120:00:131
1921099150,14cyclictest0-21swapper/119:20:001
1920499155,8cyclictest1142-21runrttasks21:35:250
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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