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2026-02-04 - 23:15
[ 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 Wed Feb 04, 2026 00:46:15)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
18173162380323,32sleep120-21swapper/1219:09:494
18170502371331,13sleep130-21swapper/1319:06:365
18172922369329,32sleep80-21swapper/819:09:2814
18171782364344,13sleep150-21swapper/1519:07:597
18172912359321,14sleep70-21swapper/719:09:2713
18173002356336,13sleep140-21swapper/1419:09:346
18170592353335,12sleep30-21swapper/319:06:439
18170612352332,13sleep50-21swapper/519:06:4411
18148602352340,8sleep110-21swapper/1119:05:153
18170862350331,12sleep40-21swapper/419:07:0010
18169422350338,8sleep100-21swapper/1019:05:302
18172472349329,13sleep60-21swapper/619:08:5412
18170232349330,13sleep00-21swapper/019:06:230
18173222347327,13sleep10-21swapper/119:09:531
18171902347336,7sleep90-21swapper/919:08:0915
18170582346326,13sleep20-21swapper/219:06:418
1817738996918,26cyclictest2011268-21cat22:20:186
18243462590,0sleep150-21swapper/1519:15:117
181773899511,25cyclictest0-21swapper/1421:03:256
181773899461,20cyclictest0-21swapper/1423:48:096
181773899459,36cyclictest0-21swapper/1400:21:066
1817738994524,8cyclictest0-21swapper/1420:08:316
1817710994544,1cyclictest2100483-21kworker/u32:1+flush-259:023:50:1710
181773899426,25cyclictest0-21swapper/1423:15:136
181773899402,13cyclictest0-21swapper/1421:47:216
1817738993424,10cyclictest0-21swapper/1422:31:186
181772399340,33cyclictest0-21swapper/922:47:2915
181772399340,33cyclictest0-21swapper/922:47:2915
181772399330,30cyclictest0-21swapper/923:26:3915
1817726993232,0cyclictest0-21swapper/1000:05:152
181770599320,28cyclictest0-21swapper/321:37:139
1817732993131,0cyclictest0-21swapper/1200:13:354
1817732993130,1cyclictest1774-21snmpd20:44:194
1817731993130,1cyclictest0-21swapper/1121:37:193
181773199310,30cyclictest0-21swapper/1123:29:123
181773199310,30cyclictest0-21swapper/1120:25:303
1817723993130,1cyclictest1774-21snmpd19:22:5915
1817723993128,3cyclictest1900375-21mii-tool20:45:1515
181772399310,30cyclictest0-21swapper/923:11:3315
181772199310,30cyclictest0-21swapper/823:21:5614
181772199310,30cyclictest0-21swapper/820:32:1414
181771799310,30cyclictest0-21swapper/721:19:4813
181771799310,30cyclictest0-21swapper/719:35:1713
181771799310,30cyclictest0-21swapper/719:35:1613
181771599310,30cyclictest0-21swapper/619:42:5012
181771599310,30cyclictest0-21swapper/619:42:5012
181771299310,30cyclictest0-21swapper/521:14:5911
1817710993130,1cyclictest1774-21snmpd20:45:3510
181770599310,30cyclictest0-21swapper/300:11:409
181769699310,30cyclictest0-21swapper/019:45:160
1817742993029,1cyclictest1866906-21mii-tool20:05:167
181774299300,30cyclictest0-21swapper/1523:41:007
181773899306,13cyclictest0-21swapper/1422:53:156
181773899306,13cyclictest0-21swapper/1422:09:196
181773899306,13cyclictest0-21swapper/1400:10:076
1817738993029,1cyclictest2093738-21mii-tool23:25:146
181773899301,29cyclictest1888138-21kworker/14:0-events21:07:546
181773899300,30cyclictest0-21swapper/1421:17:396
181773899300,30cyclictest0-21swapper/1420:17:186
181773899300,1cyclictest0-21swapper/1420:55:086
1817736993029,1cyclictest1774-21snmpd19:42:175
1817736993029,1cyclictest1774-21snmpd19:42:175
1817736993029,1cyclictest0-21swapper/1322:20:105
181773299300,30cyclictest0-21swapper/1220:51:284
181773299300,30cyclictest0-21swapper/1220:45:414
1817726993030,0cyclictest2122752-21kworker/10:2+events00:01:062
1817726993030,0cyclictest2090032-21kworker/10:1+events23:49:482
1817726993030,0cyclictest1846305-21kworker/10:0+events20:29:022
1817726993030,0cyclictest1846305-21kworker/10:0+events20:06:492
1817726993030,0cyclictest1846305-21kworker/10:0+events20:02:162
1817726993030,0cyclictest1846305-21kworker/10:0+events19:55:312
1817726993030,0cyclictest1846305-21kworker/10:0+events19:52:482
1817726993030,0cyclictest1846305-21kworker/10:0+events19:45:432
1817726993030,0cyclictest1846305-21kworker/10:0+events19:42:382
1817726993030,0cyclictest1846305-21kworker/10:0+events19:42:372
1817726993030,0cyclictest1811427-21kworker/10:1+events22:42:092
1817726993030,0cyclictest1811427-21kworker/10:1+events22:42:092
1817726993030,0cyclictest1811427-21kworker/10:1+events22:38:022
1817726993030,0cyclictest1811427-21kworker/10:1+events21:45:062
1817726993030,0cyclictest1811427-21kworker/10:1+events20:57:252
1817726993030,0cyclictest1811427-21kworker/10:1+events20:50:402
1817726993030,0cyclictest1811427-21kworker/10:1+events20:47:592
1817726993030,0cyclictest1811427-21kworker/10:1+events20:42:522
1817726993030,0cyclictest1811427-21kworker/10:1+events20:36:012
1817726993030,0cyclictest1811427-21kworker/10:1+events20:33:422
1817726993030,0cyclictest1583648-21kworker/10:2+events19:31:162
1817726993030,0cyclictest1583648-21kworker/10:2+events19:31:152
1817726993030,0cyclictest1583648-21kworker/10:2+events19:26:032
1817726993030,0cyclictest1583648-21kworker/10:2+events19:17:332
1817726993030,0cyclictest1583648-21kworker/10:2+events19:13:092
1817726993029,1cyclictest2170737-21kworker/10:2+events00:33:362
1817726993029,1cyclictest2090032-21kworker/10:1+events23:50:482
1817726993029,1cyclictest2090032-21kworker/10:1+events23:35:222
1817726993029,1cyclictest2052107-21kworker/10:2+events23:20:452
1817726993029,1cyclictest2052107-21kworker/10:2+events23:17:142
1817726993029,1cyclictest2052107-21kworker/10:2+events23:04:182
1817726993029,1cyclictest2052107-21kworker/10:2+events22:57:012
1817726993029,1cyclictest1846305-21kworker/10:0+events20:16:282
1817726993029,1cyclictest1811427-21kworker/10:1+events22:50:212
1817726993029,1cyclictest1811427-21kworker/10:1+events22:45:532
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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