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2026-01-26 - 05:54
[ 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 Mon Jan 26, 2026 00:46:04)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
14133612396376,14sleep00-21swapper/019:05:530
14135312358316,13sleep70-21swapper/719:07:5313
14135352357318,31sleep100-21swapper/1019:07:562
14136962354335,12sleep10-21swapper/119:09:401
14134252354335,12sleep130-21swapper/1319:06:385
14135612353335,12sleep80-21swapper/819:08:1014
14135172351331,13sleep120-21swapper/1219:07:414
14135932350308,14sleep140-21swapper/1419:08:326
14135532350329,14sleep20-21swapper/219:08:048
14135092349330,12sleep60-21swapper/619:07:3512
14136642348328,13sleep110-21swapper/1119:09:173
14135712348327,13sleep150-21swapper/1519:08:177
14135802347327,13sleep50-21swapper/519:08:2211
14134812346326,13sleep30-21swapper/319:07:169
14134622346326,13sleep40-21swapper/419:07:0110
14133972343322,13sleep90-21swapper/919:06:1815
1414064994040,0cyclictest0-21swapper/100:25:451
1414064994040,0cyclictest0-21swapper/100:25:451
141410699348,25cyclictest0-21swapper/1419:13:146
1414106993410,11cyclictest0-21swapper/1423:58:486
141410699340,9cyclictest0-21swapper/1420:19:096
141410699340,9cyclictest0-21swapper/1419:57:106
1414089993430,4cyclictest1774-21snmpd23:43:0514
141410699339,11cyclictest0-21swapper/1422:30:566
141410699339,11cyclictest0-21swapper/1419:35:136
141410699339,11cyclictest0-21swapper/1400:31:456
1414085993333,0cyclictest0-21swapper/721:58:0813
141409499320,1cyclictest0-21swapper/1020:19:042
141408999320,32cyclictest0-21swapper/800:27:3314
141408999320,32cyclictest0-21swapper/800:27:3214
1414083993228,3cyclictest1774-21snmpd21:31:2212
1414064993232,0cyclictest0-21swapper/123:25:311
141411099310,30cyclictest0-21swapper/1520:47:217
141410699317,13cyclictest0-21swapper/1421:57:596
1414094993130,1cyclictest1710249-21kworker/10:2+events23:53:132
1414094993130,1cyclictest1710249-21kworker/10:2+events00:26:452
1414094993130,1cyclictest1710249-21kworker/10:2+events00:26:452
1414094993129,1cyclictest1442559-21kworker/10:0+events21:28:452
1414089993130,1cyclictest1774-21snmpd22:00:5814
141408999310,31cyclictest0-21swapper/819:40:4514
141408999310,30cyclictest0-21swapper/823:59:4714
141408999310,30cyclictest0-21swapper/822:42:5614
1414085993131,0cyclictest0-21swapper/722:20:3813
141408599310,30cyclictest0-21swapper/722:25:3313
1414083993128,3cyclictest1774-21snmpd21:59:2912
1414076993130,1cyclictest1774-21snmpd20:52:4710
141407699310,31cyclictest0-21swapper/420:24:1410
141407699310,30cyclictest0-21swapper/400:07:4610
141407399310,30cyclictest0-21swapper/322:57:519
1414064993131,0cyclictest0-21swapper/122:39:351
1414064993131,0cyclictest0-21swapper/122:24:161
1414064993131,0cyclictest0-21swapper/119:19:521
141405999310,30cyclictest0-21swapper/000:05:070
1414110993029,1cyclictest1774-21snmpd21:07:487
1414110993029,1cyclictest1774-21snmpd19:15:437
1414110993029,1cyclictest0-21swapper/1500:39:037
141411099300,30cyclictest0-21swapper/1521:50:437
141411099300,30cyclictest0-21swapper/1519:25:467
141411099300,1cyclictest0-21swapper/1521:16:047
141411099300,1cyclictest0-21swapper/1521:16:047
141410699300,29cyclictest0-21swapper/1420:27:116
1414104993029,1cyclictest1774-21snmpd21:03:235
1414104993029,1cyclictest1774-21snmpd00:33:065
1414104993029,1cyclictest1556000-21mii-tool21:40:145
1414104993029,1cyclictest1513187-21mii-tool21:05:175
1414104993029,1cyclictest0-21swapper/1319:13:555
141410499300,30cyclictest0-21swapper/1323:06:075
1414101993029,1cyclictest1450617-21mii-tool19:50:164
1414101993028,2cyclictest1774-21snmpd20:24:134
1414101993028,2cyclictest1496488-21mii-tool20:45:144
1414101993027,3cyclictest1774-21snmpd21:02:054
1414094993029,1cyclictest1710249-21kworker/10:2+events00:06:302
1414094993029,1cyclictest1686245-21kworker/10:0+events23:28:072
1414094993029,1cyclictest1442559-21kworker/10:0+events22:42:482
1414094993029,1cyclictest1442559-21kworker/10:0+events21:55:222
1414094993028,2cyclictest1774-21snmpd21:23:312
1414094993028,2cyclictest1774-21snmpd21:23:312
141409499300,1cyclictest0-21swapper/1022:22:562
1414091993029,1cyclictest1774-21snmpd00:37:3315
1414091993029,1cyclictest1774-21snmpd00:21:1715
1414091993029,1cyclictest1774-21snmpd00:21:1715
141409199300,30cyclictest0-21swapper/922:34:0015
141409199300,30cyclictest0-21swapper/921:09:4815
141409199300,1cyclictest0-21swapper/921:28:1815
1414089993029,1cyclictest1774-21snmpd19:47:5914
1414089993029,1cyclictest1774-21snmpd19:39:0714
1414089993029,1cyclictest1716336-21mii-tool23:45:1514
1414089993029,1cyclictest0-21swapper/821:42:3114
1414089993027,3cyclictest1774-21snmpd20:06:1314
1414085993030,0cyclictest0-21swapper/721:51:0913
1414085993029,1cyclictest1774-21snmpd19:56:3113
1414085993029,1cyclictest1774-21snmpd19:26:3413
1414083993029,1cyclictest1774-21snmpd19:35:2412
1414083993026,3cyclictest1774-21snmpd23:07:2812
141408399300,1cyclictest0-21swapper/622:15:1512
141408399300,1cyclictest0-21swapper/621:41:2812
141407999300,29cyclictest0-21swapper/500:35:5011
1414076993029,1cyclictest1774-21snmpd23:27:0310
141407699300,1cyclictest0-21swapper/419:50:1510
1414073993029,1cyclictest1774-21snmpd23:35:029
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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