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2026-02-12 - 05:28
[ 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 #0, slot #4

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 rack0slot4s.osadl.org (updated Thu Feb 12, 2026 00:46:13)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1137122416379,13sleep30-21swapper/319:06:439
1137122416379,13sleep30-21swapper/319:06:429
1137882354335,13sleep120-21swapper/1219:07:404
1137882354335,13sleep120-21swapper/1219:07:404
1121572353344,6sleep150-21swapper/1519:05:197
1121572353344,6sleep150-21swapper/1519:05:187
1136592352331,14sleep80-21swapper/819:06:0014
1136592352331,14sleep80-21swapper/819:06:0014
1137672350310,14sleep140-21swapper/1419:07:276
1137672350310,14sleep140-21swapper/1419:07:266
1137502350329,14sleep00-21swapper/019:07:130
1137502350329,14sleep00-21swapper/019:07:120
1136442348327,14sleep130-21swapper/1319:05:495
1136442348327,14sleep130-21swapper/1319:05:485
1138862347326,14sleep60-21swapper/619:08:5512
1138862347326,14sleep60-21swapper/619:08:5412
1136532346325,14sleep20-21swapper/219:05:548
1136532346325,14sleep20-21swapper/219:05:538
1137832345325,13sleep90-21swapper/919:07:3815
1137832345325,13sleep90-21swapper/919:07:3715
1136152345323,15sleep100-21swapper/1019:05:302
1136152345323,15sleep100-21swapper/1019:05:292
1137512344324,13sleep10-21swapper/119:07:141
1137512344324,13sleep10-21swapper/119:07:131
1138202343323,13sleep40-21swapper/419:08:0510
1138202343323,13sleep40-21swapper/419:08:0410
1137632343323,13sleep110-21swapper/1119:07:243
1137632343323,13sleep110-21swapper/1119:07:233
1137812342322,13sleep70-21swapper/719:07:3613
1137812342322,13sleep70-21swapper/719:07:3513
1136562340319,14sleep50-21swapper/519:05:5611
1136562340319,14sleep50-21swapper/519:05:5611
36802521010,0sleep60-21swapper/623:05:1412
1259482570,0sleep00-21swapper/019:20:160
114375994342,1cyclictest0-21swapper/1023:25:152
11438799370,24cyclictest0-21swapper/1422:54:466
11438799370,24cyclictest0-21swapper/1422:43:476
11438799370,24cyclictest0-21swapper/1420:21:016
11438799370,24cyclictest0-21swapper/1400:11:386
114382993734,2cyclictest105204-21kworker/u32:1+flush-259:019:20:194
114351993734,1cyclictest199937-21kworker/u32:2+flush-259:021:00:268
11438799360,23cyclictest0-21swapper/1421:59:506
11438799360,23cyclictest0-21swapper/1400:33:376
11435199363,29cyclictest304912-21kworker/u32:0+events_unbound23:40:048
11435199352,30cyclictest402135-21kworker/u32:3+events_unbound00:25:348
114351993310,1cyclictest455796-21kworker/u32:4+flush-259:000:39:268
11435199330,30cyclictest0-21swapper/223:50:088
11435199330,30cyclictest0-21swapper/220:32:018
11438799328,11cyclictest0-21swapper/1420:53:576
114382993232,0cyclictest0-21swapper/1221:51:194
114382993232,0cyclictest0-21swapper/1220:05:234
114382993230,2cyclictest105204-21kworker/u32:1+flush-259:019:15:234
11435199320,32cyclictest374817-21libvirt-ifstat23:10:178
11435199320,29cyclictest0-21swapper/223:38:008
11435199320,29cyclictest0-21swapper/223:25:348
11435199320,29cyclictest0-21swapper/222:50:478
11435199320,29cyclictest0-21swapper/222:39:158
11435199320,29cyclictest0-21swapper/221:41:118
11435199320,29cyclictest0-21swapper/221:28:448
11435199320,29cyclictest0-21swapper/221:15:428
11435199320,29cyclictest0-21swapper/221:10:148
11435199320,29cyclictest0-21swapper/220:28:428
11435199320,29cyclictest0-21swapper/219:51:078
11435199320,29cyclictest0-21swapper/219:20:368
11435199320,29cyclictest0-21swapper/200:33:008
11435199320,29cyclictest0-21swapper/200:18:358
11435199320,29cyclictest0-21swapper/200:12:268
11438799316,14cyclictest0-21swapper/1419:26:066
11438799310,30cyclictest0-21swapper/1422:15:236
11438799310,30cyclictest0-21swapper/1419:15:006
114384993129,1cyclictest1774-21snmpd20:09:315
11438499310,30cyclictest0-21swapper/1323:39:435
11438499310,30cyclictest0-21swapper/1323:31:375
11438499310,30cyclictest0-21swapper/1320:56:285
114382993131,0cyclictest0-21swapper/1223:09:234
114382993131,0cyclictest0-21swapper/1200:33:354
114375993130,1cyclictest370465-21kworker/10:2+events23:14:372
114375993130,1cyclictest254108-21kworker/10:1+events22:16:472
114375993130,1cyclictest0-21swapper/1020:15:122
114375993129,1cyclictest254108-21kworker/10:1+events22:28:242
114375993129,1cyclictest254108-21kworker/10:1+events22:28:242
11437599310,30cyclictest1215571-21WebExtensions23:51:142
114372993130,1cyclictest1774-21snmpd22:14:1715
11436899310,30cyclictest0-21swapper/819:20:1014
11436899310,28cyclictest0-21swapper/821:40:1514
11436699310,30cyclictest0-21swapper/700:20:1413
11436399310,30cyclictest0-21swapper/620:32:5412
114353993130,1cyclictest1774-21snmpd22:05:269
11435399310,30cyclictest0-21swapper/323:07:259
114351993126,3cyclictest0-21swapper/220:20:298
11435199310,30cyclictest384766-21ssh23:19:328
11435199310,30cyclictest0-21swapper/200:00:028
11435199310,28cyclictest0-21swapper/222:42:098
11435199310,28cyclictest0-21swapper/221:48:168
11435199310,28cyclictest0-21swapper/220:04:438
11435199310,0cyclictest0-21swapper/222:05:198
114347993131,0cyclictest0-21swapper/121:51:201
114347993130,1cyclictest0-21swapper/100:33:361
11434799310,30cyclictest0-21swapper/122:48:171
11434599310,30cyclictest0-21swapper/020:12:380
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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