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2026-02-19 - 17:13
[ 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 Thu Feb 19, 2026 00:46:06)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
35970582276269,4sleep180-21swapper/1819:06:4110
35970682273266,4sleep70-21swapper/719:06:5017
35972182249208,13sleep170-21swapper/1719:09:019
35939652249208,12sleep20-21swapper/219:05:0512
35969672242221,13sleep50-21swapper/519:05:2815
35970972240224,10sleep120-21swapper/1219:07:164
35972142236220,9sleep130-21swapper/1319:08:575
35971592236218,10sleep40-21swapper/419:08:0714
35971152234214,13sleep90-21swapper/919:07:3219
35969862234215,12sleep140-21swapper/1419:05:376
35970592233216,9sleep190-21swapper/1919:06:4211
35971002232212,13sleep150-21swapper/1519:07:187
35970722231212,12sleep110-21swapper/1119:06:543
35972062230211,12sleep60-21swapper/619:08:5016
35971822230211,12sleep30-21swapper/319:08:2813
35969802230210,12sleep80-21swapper/819:05:3118
35971072227210,11sleep10-21swapper/119:07:241
35971522225205,13sleep00-21swapper/019:08:030
35970782224203,13sleep160-21swapper/1619:06:598
35970712222203,12sleep100-21swapper/1019:06:532
359764999897,33cyclictest0-21swapper/523:32:0215
359770199260,15cyclictest0-21swapper/1921:30:5911
359770199260,15cyclictest0-21swapper/1920:26:0011
3597649992525,0cyclictest0-21swapper/500:32:5815
3597701992312,11cyclictest0-21swapper/1920:42:0011
3597701992312,11cyclictest0-21swapper/1920:41:5911
359770199220,21cyclictest0-21swapper/1900:32:4511
3597670992211,11cyclictest0-21swapper/1023:13:582
359765499227,15cyclictest0-21swapper/720:17:0117
3597701992110,11cyclictest0-21swapper/1920:33:5911
359770199210,21cyclictest0-21swapper/1919:10:5311
359769799210,21cyclictest0-21swapper/1819:10:3810
3597684992121,0cyclictest0-21swapper/1400:32:586
3597670992110,11cyclictest0-21swapper/1023:03:582
3597670992110,11cyclictest0-21swapper/1022:56:582
359766599210,21cyclictest0-21swapper/919:10:0919
359766199210,21cyclictest0-21swapper/819:10:5618
359764599210,20cyclictest7448-21qemu-system-x8619:10:3514
359770199209,11cyclictest0-21swapper/1920:51:5911
359769799200,20cyclictest0-21swapper/1820:20:1510
359769799200,0cyclictest0-21swapper/1800:32:4410
359768699200,19cyclictest0-21swapper/1519:10:417
3597665992020,0cyclictest0-21swapper/921:40:1619
3597665992020,0cyclictest0-21swapper/919:45:1719
3597665992020,0cyclictest0-21swapper/919:30:2019
3597665992020,0cyclictest0-21swapper/919:15:1619
359766599200,20cyclictest0-21swapper/921:45:1519
359766599200,19cyclictest3870607-21updatedb00:32:4219
359766599200,0cyclictest0-21swapper/920:55:1719
3597661992020,0cyclictest0-21swapper/800:32:4418
359770199198,11cyclictest0-21swapper/1921:20:5911
3597701991919,0cyclictest0-21swapper/1920:45:1811
3597701991919,0cyclictest0-21swapper/1920:45:1811
3597697991915,2cyclictest0-21swapper/1823:10:1910
359769799190,0cyclictest3819064-21strings23:30:1510
359769499190,19cyclictest0-21swapper/1719:10:089
359769499190,19cyclictest0-21swapper/1700:35:169
359769099190,19cyclictest0-21swapper/1619:10:358
359769099190,19cyclictest0-21swapper/1600:32:478
359768699190,0cyclictest0-21swapper/1500:32:457
359768499190,19cyclictest0-21swapper/1421:00:186
359768499190,19cyclictest0-21swapper/1419:10:356
359768099190,19cyclictest0-21swapper/1319:10:505
359767599190,18cyclictest0-21swapper/1219:10:324
3597665991919,0cyclictest0-21swapper/900:15:1519
3597661991919,0cyclictest0-21swapper/820:30:1618
359766199190,19cyclictest0-21swapper/800:14:5918
359766199190,19cyclictest0-21swapper/800:14:5818
359766199190,18cyclictest0-21swapper/823:25:1718
359765499190,19cyclictest0-21swapper/719:10:3517
359765499190,19cyclictest0-21swapper/700:32:4617
359765099190,19cyclictest0-21swapper/619:10:0816
359765099190,19cyclictest0-21swapper/600:32:4416
359764999190,19cyclictest0-21swapper/519:10:4115
359764999190,18cyclictest0-21swapper/521:10:2015
359764599190,19cyclictest0-21swapper/420:20:1514
359764599190,0cyclictest0-21swapper/400:32:4314
359764099197,11cyclictest0-21swapper/323:53:5813
359764099190,19cyclictest0-21swapper/319:10:4213
359764099190,19cyclictest0-21swapper/300:19:0013
359763799190,19cyclictest0-21swapper/219:10:4112
3597630991917,1cyclictest0-21swapper/019:10:210
359770199180,18cyclictest0-21swapper/1900:19:0011
3597694991818,0cyclictest0-21swapper/1723:55:179
3597694991818,0cyclictest0-21swapper/1719:15:179
359769499180,18cyclictest0-21swapper/1721:40:169
3597690991818,0cyclictest3726970-21strings21:40:168
3597690991818,0cyclictest0-21swapper/1621:35:168
3597690991818,0cyclictest0-21swapper/1620:55:178
3597690991818,0cyclictest0-21swapper/1600:06:558
3597690991818,0cyclictest0-21swapper/1600:06:548
359769099180,0cyclictest0-21swapper/1623:30:158
3597686991818,0cyclictest0-21swapper/1500:19:007
359768699180,18cyclictest0-21swapper/1520:45:197
359768699180,18cyclictest0-21swapper/1520:45:187
3597684991818,0cyclictest0-21swapper/1423:30:166
3597684991818,0cyclictest0-21swapper/1400:06:546
3597684991818,0cyclictest0-21swapper/1400:06:546
359768499180,0cyclictest0-21swapper/1400:35:166
359768099180,18cyclictest0-21swapper/1300:35:165
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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