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2026-02-16 - 05:15
[ 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 Mon Feb 16, 2026 00:46:08)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1784352404383,14sleep100-21swapper/1019:06:242
1786332398392,4sleep40-21swapper/419:08:5910
1785742371364,5sleep20-21swapper/219:08:098
1787022363354,6sleep80-21swapper/819:09:5214
1785402356338,12sleep120-21swapper/1219:07:464
1786522355335,13sleep150-21swapper/1519:09:117
1784742354335,12sleep110-21swapper/1119:06:573
1786202352332,13sleep90-21swapper/919:08:4815
1785752352332,13sleep30-21swapper/319:08:109
1785352351330,14sleep70-21swapper/719:07:4213
1785472350330,13sleep10-21swapper/119:07:521
1785872348328,13sleep130-21swapper/1319:08:205
1784612347328,13sleep00-21swapper/019:06:470
1784582346326,13sleep140-21swapper/1419:06:456
1784482344324,13sleep50-21swapper/519:06:3511
1783822342324,12sleep60-21swapper/619:05:4912
179181993434,0cyclictest0-21swapper/522:40:4411
179181993333,0cyclictest0-21swapper/523:54:0811
179181993333,0cyclictest0-21swapper/521:25:1711
179181993332,0cyclictest0-21swapper/521:30:0211
179181993330,0cyclictest211rcu_preempt00:11:1011
17919599320,30cyclictest0-21swapper/820:20:1014
179181993232,0cyclictest681rcuc/500:35:2411
179181993232,0cyclictest0-21swapper/522:31:5911
179181993232,0cyclictest0-21swapper/520:25:1911
17921599310,30cyclictest0-21swapper/1523:10:457
17920699310,30cyclictest0-21swapper/1200:35:484
179195993126,5cyclictest228523-21mii-tool20:05:1414
17919599310,30cyclictest0-21swapper/823:57:2514
17919599310,30cyclictest0-21swapper/821:10:5214
17919099310,30cyclictest0-21swapper/721:25:3713
17919099310,30cyclictest0-21swapper/721:21:5713
179186993130,1cyclictest1774-21snmpd23:48:2512
179181993131,0cyclictest0-21swapper/523:29:3311
179181993131,0cyclictest0-21swapper/522:51:3111
179181993131,0cyclictest0-21swapper/522:01:2011
179181993131,0cyclictest0-21swapper/522:01:1911
179181993131,0cyclictest0-21swapper/520:45:1811
179181993130,1cyclictest488096-21kworker/u32:1+events_unbound00:20:1711
17917099310,30cyclictest0-21swapper/221:23:078
179168993130,1cyclictest1774-21snmpd21:39:281
17916899310,30cyclictest0-21swapper/120:51:271
17916399310,30cyclictest0-21swapper/023:11:390
179215993029,1cyclictest1774-21snmpd23:15:347
179215993029,1cyclictest1774-21snmpd23:07:347
179215993029,1cyclictest1774-21snmpd21:37:347
17921599300,30cyclictest0-21swapper/1523:56:347
17921599300,1cyclictest0-21swapper/1521:50:537
179211993029,1cyclictest1774-21snmpd19:43:066
17921199300,30cyclictest0-21swapper/1422:00:156
17921199300,30cyclictest0-21swapper/1422:00:156
179208993029,1cyclictest1774-21snmpd22:08:315
179208993029,1cyclictest1774-21snmpd21:36:515
17920899300,30cyclictest0-21swapper/1321:03:505
17920899300,1cyclictest0-21swapper/1320:07:275
17920899300,1cyclictest0-21swapper/1319:12:255
179206993029,1cyclictest181216-21mii-tool19:10:154
179206993029,1cyclictest1774-21snmpd22:07:224
179206993029,1cyclictest1774-21snmpd19:30:034
17920699300,1cyclictest0-21swapper/1223:53:294
179202993029,1cyclictest1774-21snmpd00:20:033
179200993029,1cyclictest4019721-21kworker/10:1+events21:47:502
179200993029,1cyclictest1774-21snmpd21:23:072
179197993029,1cyclictest1774-21snmpd21:45:5015
179197993029,1cyclictest1774-21snmpd20:58:5315
17919799300,30cyclictest0-21swapper/922:35:2915
17919799300,1cyclictest0-21swapper/923:16:5515
179195993027,3cyclictest335420-21mii-tool21:50:1614
17919599300,1cyclictest0-21swapper/821:39:1014
179190993029,1cyclictest1774-21snmpd20:38:1013
179190993029,1cyclictest1774-21snmpd00:08:1813
179190993029,1cyclictest0-21swapper/721:09:5013
17918699300,30cyclictest0-21swapper/621:38:2712
17918699300,29cyclictest0-21swapper/623:20:2812
17918699300,1cyclictest0-21swapper/621:55:0812
17918699300,1cyclictest0-21swapper/621:55:0812
179181993030,0cyclictest0-21swapper/523:33:0011
179181993030,0cyclictest0-21swapper/522:37:3411
179181993030,0cyclictest0-21swapper/521:53:4911
179181993029,1cyclictest1774-21snmpd19:39:0811
17918199300,30cyclictest0-21swapper/521:35:4511
179176993029,1cyclictest511588-21ethtool00:05:1410
179176993029,1cyclictest439818-21mii-tool23:10:1410
17917699300,30cyclictest0-21swapper/422:24:3610
179174993029,1cyclictest1774-21snmpd23:16:469
17917499300,30cyclictest0-21swapper/300:13:429
179170993029,1cyclictest1774-21snmpd21:29:398
17917099300,29cyclictest331742-21ssh21:47:508
179168993029,1cyclictest1774-21snmpd00:38:061
179168993028,1cyclictest0-21swapper/123:07:301
17916899300,29cyclictest0-21swapper/123:35:411
17916899300,1cyclictest0-21swapper/120:11:271
17916399300,1cyclictest0-21swapper/021:35:190
17921599290,29cyclictest0-21swapper/1523:25:157
179211992928,1cyclictest1774-21snmpd21:55:086
179211992928,1cyclictest1774-21snmpd21:55:076
179211992928,1cyclictest1774-21snmpd21:38:286
179208992929,0cyclictest0-21swapper/1322:55:435
179206992928,1cyclictest0-21swapper/1219:39:144
17920699290,29cyclictest0-21swapper/1221:41:104
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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