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2026-01-16 - 19:29
[ 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 #1, slot #6

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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  Intel
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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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack1slot6s.osadl.org (updated Fri Jan 16, 2026 12:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
57842930,6chrt5787-21unixbench_multi09:08:122
248599900,5rtkit-daemon0-21swapper/006:37:572
248599890,4rtkit-daemon2484-21rtkit-daemon09:35:501
241982840,4sleep118-21rcuc/109:37:501
248599830,9rtkit-daemon0-21swapper/110:18:340
248599740,5rtkit-daemon0-21swapper/010:59:470
22781996939,13cyclictest0-21swapper/211:57:512
22781996939,13cyclictest0-21swapper/211:57:512
2278299664,56cyclictest0-21swapper/309:38:043
2278099664,55cyclictest0-21swapper/110:37:361
2278099664,55cyclictest0-21swapper/110:37:361
12232650,11sleep02277899cyclictest08:07:430
2278199644,52cyclictest0-21swapper/210:02:532
2278099644,53cyclictest0-21swapper/110:45:181
77432630,6sleep17742-21wc08:18:121
304642638,7sleep10-21swapper/109:47:381
2278199634,52cyclictest0-21swapper/211:28:042
22781996335,13cyclictest0-21swapper/210:32:512
22781996335,13cyclictest0-21swapper/210:32:512
2278199633,52cyclictest0-21swapper/211:12:522
2278199633,52cyclictest0-21swapper/211:12:522
22778996335,13cyclictest0-21swapper/007:17:540
2278299625,51cyclictest0-21swapper/312:07:323
22781996238,9cyclictest15516-21diskmemload11:07:582
2278099625,50cyclictest0-21swapper/110:56:091
2278099625,39cyclictest0-21swapper/110:40:321
2278099625,15cyclictest0-21swapper/111:23:091
2278099624,51cyclictest0-21swapper/112:02:551
2278099624,51cyclictest0-21swapper/110:19:151
2278099624,51cyclictest0-21swapper/110:07:441
2277899626,48cyclictest0-21swapper/011:22:530
22778996219,27cyclictest0-21swapper/009:03:100
203132623,50sleep00-21swapper/011:10:130
248132613,11sleep00-21swapper/012:05:080
2278299616,50cyclictest0-21swapper/310:49:443
2278299614,11cyclictest0-21swapper/309:18:463
2278299613,10cyclictest1419-21runrttasks11:38:173
22782996119,36cyclictest1419-21runrttasks07:19:013
22781996136,9cyclictest25796-21ssh10:27:522
2278099615,50cyclictest0-21swapper/111:14:381
2278099615,50cyclictest0-21swapper/111:14:381
2278099615,49cyclictest0-21swapper/111:40:411
2278099614,50cyclictest0-21swapper/111:22:351
3182426024,29sleep331903-21missed_timers09:48:003
2278299604,49cyclictest0-21swapper/307:28:093
2278299604,12cyclictest0-21swapper/309:27:393
22781996010,44cyclictest745-21runrttasks10:38:022
2278099605,14cyclictest25005-21df11:17:471
2278099605,14cyclictest0-21swapper/107:02:061
2278099604,50cyclictest0-21swapper/111:58:151
2278099604,50cyclictest0-21swapper/111:58:151
2278099604,49cyclictest0-21swapper/111:45:281
2278099604,49cyclictest0-21swapper/109:08:581
2278099604,49cyclictest0-21swapper/108:56:531
2278099604,49cyclictest0-21swapper/108:46:071
2278099604,13cyclictest0-21swapper/111:53:001
22780996021,22cyclictest0-21swapper/111:36:551
2278299595,48cyclictest0-21swapper/311:31:503
22782995943,11cyclictest0-21swapper/311:14:263
22782995943,11cyclictest0-21swapper/311:14:263
2278299592,52cyclictest0-21swapper/311:34:113
22781995935,9cyclictest29413-21ssh09:43:412
2278099594,48cyclictest0-21swapper/109:58:531
2278099594,48cyclictest0-21swapper/107:27:431
2278099594,47cyclictest0-21swapper/108:57:581
2278099594,46cyclictest0-21swapper/106:57:441
2278099593,50cyclictest0-21swapper/108:34:111
22778995940,12cyclictest0-21swapper/009:29:470
177262594,47sleep30-21swapper/307:33:013
92952583,11sleep00-21swapper/010:02:570
26852584,12sleep10-21swapper/108:08:091
2278299585,45cyclictest25501-21aten2.4-expect06:43:193
22782995843,9cyclictest16882-21memory11:52:573
22782995841,11cyclictest0-21swapper/310:22:493
2278299584,16cyclictest0-21swapper/311:02:513
22782995839,14cyclictest0-21swapper/308:49:253
22782995839,13cyclictest0-21swapper/309:43:033
2278299582,50cyclictest0-21swapper/310:42:393
2278299582,50cyclictest0-21swapper/310:20:053
2278199583,49cyclictest0-21swapper/209:57:382
2278199583,49cyclictest0-21swapper/209:57:382
22781995829,13cyclictest0-21swapper/212:03:052
22781995829,13cyclictest0-21swapper/210:58:112
2278099585,48cyclictest0-21swapper/109:51:591
2278099585,47cyclictest0-21swapper/109:16:301
2278099585,16cyclictest0-21swapper/110:24:021
2278099584,48cyclictest0-21swapper/111:11:061
2278099584,48cyclictest0-21swapper/108:17:421
2278099584,47cyclictest0-21swapper/111:47:431
2278099584,46cyclictest0-21swapper/108:42:171
2278099584,28cyclictest0-21swapper/107:17:451
2278099584,27cyclictest25197-21ssh10:27:461
22780995821,18cyclictest0-21swapper/108:27:581
22778995843,10cyclictest0-21swapper/010:27:540
22778995830,10cyclictest20795-21unixbench-2d11:58:050
22778995830,10cyclictest20795-21unixbench-2d11:58:050
67802573,47sleep00-21swapper/009:11:330
2278299574,48cyclictest0-21swapper/312:01:353
2278299574,48cyclictest0-21swapper/312:01:353
2278299574,12cyclictest0-21swapper/309:33:103
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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