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2026-01-23 - 05:33
[ 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 Fri Jan 23, 2026 00:46:16)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
11365392355315,12sleep120-21swapper/1219:05:574
11368192354313,14sleep40-21swapper/419:09:3410
11366402352332,14sleep00-21swapper/019:07:210
11366152350330,13sleep100-21swapper/1019:06:592
11365682349329,13sleep70-21swapper/719:06:2413
11367312348335,8sleep110-21swapper/1119:08:373
11367042347327,13sleep20-21swapper/219:08:108
11365672347327,13sleep60-21swapper/619:06:2312
11333752345324,14sleep80-21swapper/819:05:0414
11333722344324,13sleep50-21swapper/519:05:0111
11366992342321,14sleep140-21swapper/1419:08:076
11366762342322,13sleep90-21swapper/919:07:4615
11366552342322,13sleep130-21swapper/1319:07:345
11365232342320,14sleep150-21swapper/1519:05:447
11366242341321,13sleep10-21swapper/119:07:061
11366682340320,13sleep30-21swapper/319:07:409
113730199412,25cyclictest0-21swapper/1420:44:396
1137301993814,13cyclictest1346686-21ssh22:34:296
1137296993325,1cyclictest0-21swapper/1322:10:155
113728799330,30cyclictest0-21swapper/1022:40:132
113730199321,30cyclictest0-21swapper/1423:55:206
113727299320,29cyclictest0-21swapper/520:35:1611
113730399310,31cyclictest0-21swapper/1523:20:147
113730199317,13cyclictest0-21swapper/1423:18:256
113730199317,13cyclictest0-21swapper/1423:18:256
113730199310,30cyclictest0-21swapper/1420:55:156
113729499310,30cyclictest0-21swapper/1219:53:154
113729199310,30cyclictest0-21swapper/1120:30:133
1137287993129,1cyclictest932799-21kworker/10:2+events20:35:132
1137287993129,1cyclictest1774-21snmpd21:28:572
1137287993129,1cyclictest1416061-21kworker/10:0+events23:41:092
1137287993129,1cyclictest1313421-21kworker/10:1+events23:22:322
113728799310,30cyclictest0-21swapper/1022:11:462
113728799310,30cyclictest0-21swapper/1019:47:332
1137285993130,1cyclictest1774-21snmpd22:41:0815
1137285993129,1cyclictest1774-21snmpd21:10:1115
113728599310,30cyclictest0-21swapper/922:37:1415
1137281993130,1cyclictest1774-21snmpd23:45:0214
113728199310,30cyclictest0-21swapper/820:43:4014
113727799310,30cyclictest0-21swapper/723:53:4413
113727799310,30cyclictest0-21swapper/723:11:1213
113727799310,30cyclictest0-21swapper/723:11:1213
113727599310,30cyclictest0-21swapper/623:44:4612
113727599310,30cyclictest0-21swapper/623:14:2412
113727599310,30cyclictest0-21swapper/623:14:2412
1137272993128,3cyclictest0-21swapper/522:45:3811
113727299310,30cyclictest0-21swapper/522:07:4611
113727299310,30cyclictest0-21swapper/522:01:3411
113727299310,30cyclictest0-21swapper/519:34:3211
113727099310,30cyclictest0-21swapper/423:50:1410
113726599310,30cyclictest0-21swapper/319:29:359
113726299310,28cyclictest0-21swapper/222:50:518
1137261993130,1cyclictest1774-21snmpd20:10:121
113730399300,29cyclictest0-21swapper/1520:04:187
113730399300,29cyclictest0-21swapper/1520:04:187
113730199306,14cyclictest0-21swapper/1423:51:226
113730199300,30cyclictest0-21swapper/1422:19:556
113730199300,29cyclictest0-21swapper/1419:56:216
113730199300,1cyclictest0-21swapper/1421:31:336
113730199300,1cyclictest0-21swapper/1421:14:566
1137296993029,1cyclictest1774-21snmpd21:50:485
1137296993029,1cyclictest1774-21snmpd00:04:515
113729699300,30cyclictest0-21swapper/1321:24:505
1137294993029,1cyclictest1774-21snmpd23:53:064
1137294993029,1cyclictest1774-21snmpd20:51:464
1137294993027,3cyclictest1169504-21mii-tool19:45:164
113729199300,30cyclictest0-21swapper/1123:27:343
1137287993030,0cyclictest932799-21kworker/10:2+events20:50:032
1137287993029,1cyclictest1436552-21kworker/10:2+events23:48:092
1137287993029,1cyclictest1436552-21kworker/10:2+events00:05:202
1137287993029,1cyclictest1436552-21kworker/10:2+events00:02:032
1137287993029,1cyclictest1416061-21kworker/10:0+events23:34:312
1137287993029,1cyclictest1313421-21kworker/10:1+events22:51:012
1137287993029,1cyclictest1313421-21kworker/10:1+events22:46:372
1137287993029,1cyclictest1313421-21kworker/10:1+events22:27:352
1137287993029,1cyclictest1313421-21kworker/10:1+events22:20:532
1137287993029,1cyclictest1295368-21kworker/10:2+events22:05:172
1137287993029,1cyclictest1242183-21kworker/10:0+events22:00:552
1137287993029,1cyclictest1242183-21kworker/10:0+events21:37:352
1137287993029,1cyclictest1242183-21kworker/10:0+events21:31:412
1137287993029,1cyclictest1242183-21kworker/10:0+events21:15:332
1137287993029,1cyclictest1242183-21kworker/10:0+events21:11:572
1137287993028,1cyclictest932799-21kworker/10:2+events19:40:592
1137287993028,1cyclictest1313421-21kworker/10:1+events23:17:332
1137287993028,1cyclictest1313421-21kworker/10:1+events23:17:332
1137287993028,1cyclictest1242183-21kworker/10:0+events21:44:592
113728799300,27cyclictest0-21swapper/1022:35:142
113728799300,1cyclictest0-21swapper/1000:30:302
1137281993029,1cyclictest1774-21snmpd22:50:2914
1137281993029,1cyclictest1774-21snmpd22:02:1914
1137281993029,1cyclictest1774-21snmpd20:13:4214
1137277993029,1cyclictest1774-21snmpd22:10:1013
1137277993028,1cyclictest1774-21snmpd23:40:4313
1137277993028,1cyclictest1774-21snmpd23:36:1013
113727799300,29cyclictest0-21swapper/722:00:1613
113727799300,1cyclictest0-21swapper/722:48:2613
1137275993029,1cyclictest1774-21snmpd23:08:0012
1137275993029,1cyclictest1774-21snmpd23:08:0012
1137275993029,1cyclictest0-21swapper/619:45:3812
1137275993027,3cyclictest1774-21snmpd22:11:1012
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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