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2026-02-03 - 03:22
[ 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 #3

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 rack0slot3s.osadl.org (updated Tue Feb 03, 2026 00:44:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
21808512285269,5sleep30-21swapper/319:05:013
21831502276212,16sleep50-21swapper/519:09:385
21828862265222,33sleep70-21swapper/719:06:017
21831642259217,32sleep10-21swapper/119:09:501
21831182258216,32sleep00-21swapper/019:09:090
21829402258216,32sleep60-21swapper/619:06:496
21830102251205,36sleep40-21swapper/419:07:434
21828572243217,18sleep20-21swapper/219:05:402
227272021070,1sleep6751rcuc/621:50:096
218346699353,31cyclictest0-21swapper/421:58:114
218346699342,31cyclictest515-21systemd-journal20:16:284
218346699342,31cyclictest0-21swapper/423:49:234
218346699342,31cyclictest0-21swapper/422:56:514
218346699342,31cyclictest0-21swapper/422:56:514
218346699342,31cyclictest0-21swapper/422:35:514
218346699342,31cyclictest0-21swapper/421:32:524
218346699342,31cyclictest0-21swapper/419:10:084
2183466993414,18cyclictest0-21swapper/419:35:204
218346699341,32cyclictest0-21swapper/419:49:444
2183466993329,3cyclictest2358381-21cat00:25:194
218346699332,31cyclictest0-21swapper/420:46:364
218346699332,30cyclictest0-21swapper/422:46:194
218346699332,30cyclictest0-21swapper/400:30:364
218346699331,31cyclictest0-21swapper/423:32:244
218346699331,31cyclictest0-21swapper/423:21:514
218346699331,31cyclictest0-21swapper/423:07:394
218346699331,31cyclictest0-21swapper/422:26:474
218346699331,31cyclictest0-21swapper/421:27:284
218346699331,31cyclictest0-21swapper/421:00:044
218346699331,31cyclictest0-21swapper/420:51:564
218346699331,31cyclictest0-21swapper/420:26:324
218346699331,31cyclictest0-21swapper/419:44:324
218346699331,31cyclictest0-21swapper/419:29:564
218346699331,31cyclictest0-21swapper/419:21:204
218346699331,31cyclictest0-21swapper/419:17:124
218346699331,31cyclictest0-21swapper/400:20:354
218346699331,31cyclictest0-21swapper/400:05:074
218346699330,32cyclictest0-21swapper/423:40:394
218346699330,32cyclictest0-21swapper/423:38:354
218346699330,32cyclictest0-21swapper/423:28:114
218346699330,32cyclictest0-21swapper/422:42:404
218346699330,32cyclictest0-21swapper/422:33:594
218346699330,32cyclictest0-21swapper/421:45:524
218346699330,32cyclictest0-21swapper/421:42:484
218346699330,32cyclictest0-21swapper/420:56:564
218346699330,32cyclictest0-21swapper/420:08:124
218346699330,32cyclictest0-21swapper/400:36:554
218346699330,32cyclictest0-21swapper/400:01:394
218346699322,28cyclictest0-21swapper/420:20:374
218346699322,28cyclictest0-21swapper/420:20:364
218346699320,31cyclictest0-21swapper/423:57:524
218346699320,31cyclictest0-21swapper/423:12:474
218346699320,31cyclictest0-21swapper/423:04:124
218346699320,31cyclictest0-21swapper/422:52:114
218346699320,31cyclictest0-21swapper/422:22:034
218346699320,31cyclictest0-21swapper/422:14:524
218346699320,31cyclictest0-21swapper/422:04:404
218346699320,31cyclictest0-21swapper/421:54:514
218346699320,31cyclictest0-21swapper/421:39:004
218346699320,31cyclictest0-21swapper/421:24:244
218346699320,31cyclictest0-21swapper/421:19:444
218346699320,31cyclictest0-21swapper/421:11:094
218346699320,31cyclictest0-21swapper/421:05:284
218346699320,31cyclictest0-21swapper/420:40:364
218346699320,31cyclictest0-21swapper/420:11:444
218346699320,31cyclictest0-21swapper/419:58:284
218346699320,31cyclictest0-21swapper/419:53:564
218346699320,31cyclictest0-21swapper/419:31:284
218346699320,31cyclictest0-21swapper/400:09:594
2183462993225,5cyclictest0-21swapper/322:45:163
218346699310,31cyclictest0-21swapper/420:35:124
218346699310,30cyclictest0-21swapper/422:17:034
218346699310,30cyclictest0-21swapper/420:01:364
218346699310,29cyclictest0-21swapper/423:15:314
2183466993017,10cyclictest0-21swapper/422:09:344
218346699300,29cyclictest0-21swapper/400:18:154
23633912290,0sleep60-21swapper/600:35:146
2183479992927,1cyclictest1853132-21kworker/6:0+events23:48:366
2183453992928,1cyclictest2339508-21ntpq23:50:191
2183466992819,9cyclictest0-21swapper/423:50:194
2183453992822,5cyclictest1393-21snmpd00:33:021
2183453992726,1cyclictest0-21swapper/119:35:191
2183453992721,5cyclictest1393-21snmpd20:44:261
2183484992622,3cyclictest1393-21snmpd21:04:127
2183484992617,5cyclictest0-21swapper/723:38:287
2183479992622,3cyclictest1393-21snmpd00:28:296
218347999260,22cyclictest0-21swapper/620:22:596
218347999260,22cyclictest0-21swapper/620:22:596
2183472992622,3cyclictest1393-21snmpd23:20:395
2183466992617,9cyclictest0-21swapper/420:30:344
218346299260,1cyclictest0-21swapper/321:39:403
218345799260,22cyclictest0-21swapper/219:50:152
2183453992622,3cyclictest1393-21snmpd21:01:331
218344899260,22cyclictest0-21swapper/022:05:160
2183484992522,2cyclictest2343381-21wc23:59:597
2183484992521,3cyclictest1393-21snmpd22:20:147
2183484992521,3cyclictest1393-21snmpd19:25:437
2183484992521,3cyclictest1393-21snmpd19:12:007
2183479992521,3cyclictest1393-21snmpd21:17:456
2183479992521,3cyclictest1393-21snmpd20:18:416
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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