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2026-01-16 - 08:37
[ 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 #6

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 rack0slot6s.osadl.org (updated Fri Jan 16, 2026 00:46:13)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
348871599816,33cyclictest0-21swapper/1820:22:4110
348871599816,33cyclictest0-21swapper/1820:22:4010
3488685995623,32cyclictest0-21swapper/800:08:5918
194899510,47ntpd0-21swapper/319:05:2013
175698500,47rtkit-daemon0-21swapper/1719:06:529
348814524742,3sleep70-21swapper/719:08:2317
348788324540,3sleep40-21swapper/419:06:0014
348492424539,3sleep100-21swapper/1019:05:062
348789124337,3sleep120-21swapper/1219:06:094
348492924337,3sleep150-21swapper/1519:05:107
348818224238,2sleep90-21swapper/919:08:4619
348813624236,3sleep20-21swapper/219:08:1912
348813124235,4sleep190-21swapper/1919:08:1611
37078042410,0sleep180-21swapper/1823:25:1610
37078042410,0sleep180-21swapper/1823:25:1510
348783324136,3sleep180-21swapper/1819:05:3510
3488681994013,26cyclictest851irq_work/719:52:1117
348821124035,3sleep140-21swapper/1419:09:106
348811224036,2sleep50-21swapper/519:08:0115
348796324035,3sleep130-21swapper/1319:06:505
348492024035,3sleep80-21swapper/819:05:0418
348866399392,36cyclictest0-21swapper/022:43:590
348815623832,3sleep160-21swapper/1619:08:328
348798323832,3sleep60-21swapper/619:07:0216
348870299372,34cyclictest183150irq/150-eno100:11:596
3488700993631,2cyclictest0-21swapper/1300:24:595
348866899368,28cyclictest0-21swapper/200:08:5812
348786523631,3sleep110-21swapper/1119:05:483
348871599355,29cyclictest1861irq_work/1820:02:5910
3488700993526,9cyclictest0-21swapper/1320:47:585
3488668993535,0cyclictest0-21swapper/221:30:5912
3488668993534,0cyclictest0-21swapper/220:58:5812
3488663993529,5cyclictest326420-21CPU0
348871899340,0cyclictest0-21swapper/1921:22:5811
3488715993434,0cyclictest0-21swapper/1820:45:5910
3488711993432,1cyclictest326420-21CPU9
348870699347,26cyclictest0-21swapper/1523:19:597
348869799345,28cyclictest0-21swapper/1200:08:584
3488690993429,2cyclictest0-21swapper/1022:31:592
3488685993432,2cyclictest0-21swapper/820:38:5818
3488665993413,1cyclictest326344-21qemu-system-x8619:12:591
3488663993429,5cyclictest0-21swapper/000:08:590
348870099330,32cyclictest0-21swapper/1300:17:585
348870099330,29cyclictest0-21swapper/1320:40:595
348869599330,32cyclictest3574077-40tracker-miner-f20:47:583
3488689993333,0cyclictest0-21swapper/900:27:5819
3488689993332,1cyclictest0-21swapper/921:19:5919
348868999330,31cyclictest3616028-40tracker-miner-f21:35:5819
3488685993332,1cyclictest3489290-40tracker-miner-f19:10:1018
3488676993333,0cyclictest0-21swapper/520:38:5915
3488668993331,1cyclictest3514785-40tracker-miner-f19:39:0012
348813523328,3sleep10-21swapper/119:08:171
348871899325,26cyclictest0-21swapper/1919:58:5911
3488718993232,0cyclictest0-21swapper/1900:30:5911
3488700993225,7cyclictest0-21swapper/1320:14:595
348869099320,1cyclictest3558-21Xorg19:38:592
3488689993232,0cyclictest0-21swapper/922:15:5919
348868999320,0cyclictest0-21swapper/921:53:5819
348866399322,29cyclictest0-21swapper/020:03:590
3488718993129,1cyclictest0-21swapper/1920:16:5911
348870099310,28cyclictest0-21swapper/1319:22:025
3488697993131,0cyclictest0-21swapper/1221:30:584
348869099315,25cyclictest0-21swapper/1022:42:592
3488690993131,0cyclictest0-21swapper/1023:46:592
348867499316,0cyclictest0-21swapper/423:58:5814
3488668993129,1cyclictest326420-21CPU12
348797323126,3sleep00-21swapper/019:06:560
3488715993020,1cyclictest0-21swapper/1819:11:5910
3488708993030,0cyclictest0-21swapper/1620:29:498
3488708993030,0cyclictest0-21swapper/1620:29:488
3488706993027,0cyclictest0-21swapper/1500:37:597
348870699300,0cyclictest0-21swapper/1522:59:597
3488700993026,4cyclictest0-21swapper/1323:49:585
3488700993025,5cyclictest0-21swapper/1321:54:595
348870099300,19cyclictest3489290-40tracker-miner-f19:10:095
3488681993029,1cyclictest0-21swapper/721:41:5817
3488669993030,0cyclictest0-21swapper/323:13:5813
3488668993030,0cyclictest0-21swapper/219:48:5912
3488668993029,1cyclictest431ktimers/200:10:5812
3488663993025,3cyclictest0-21swapper/021:18:580
348871899290,28cyclictest0-21swapper/1919:23:5511
3488708992928,1cyclictest0-21swapper/1622:56:598
3488702992929,0cyclictest0-21swapper/1422:50:586
3488700992926,2cyclictest3654298-40tracker-miner-f22:22:585
3488697992929,0cyclictest0-21swapper/1222:04:004
348869099290,1cyclictest0-21swapper/1000:09:592
348869099290,0cyclictest0-21swapper/1019:43:592
3488689992929,0cyclictest0-21swapper/923:46:5919
3488689992929,0cyclictest0-21swapper/923:40:5919
3488689992929,0cyclictest0-21swapper/900:36:5919
3488685992928,1cyclictest0-21swapper/800:35:5918
3488685992926,2cyclictest326420-21CPU18
3488681992928,0cyclictest0-21swapper/719:35:5817
3488679992928,1cyclictest3662670-40tracker-miner-f22:31:5916
3488679992927,1cyclictest3558-21Xorg22:18:5816
3488668992929,0cyclictest0-21swapper/219:59:5912
348866599290,28cyclictest3526266-21ntpq19:50:181
3488663992929,0cyclictest0-21swapper/021:44:580
3488718992828,0cyclictest0-21swapper/1922:51:0311
3488715992826,1cyclictest326420-21CPU10
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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