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2026-01-16 - 12:46
[ 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 #c, slot #7

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 50 highest latencies:
System rackcslot7s.osadl.org (updated Fri Jan 16, 2026 00:44:59)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
295633324270,8sleep10-21swapper/119:05:191
295633324270,8sleep10-21swapper/119:05:191
29792032980,5sleep2331rcuc/220:09:562
29792032980,5sleep2331rcuc/220:09:552
197399870,9rtkit-daemon1972-21rtkit-daemon23:40:272
295572327947,21sleep00-21swapper/019:05:120
295572327947,21sleep00-21swapper/019:05:110
197399790,8rtkit-daemon1972-21rtkit-daemon21:51:212
295691127639,13sleep20-21swapper/219:06:232
295691127639,13sleep20-21swapper/219:06:222
295733499759,42cyclictest3045497-21needreboot23:15:230
295733499759,42cyclictest3045497-21needreboot23:15:220
295733499745,52cyclictest1137-21runrttasks20:23:580
2957334997319,32cyclictest1137-21runrttasks21:16:210
2957334997319,32cyclictest1137-21runrttasks21:16:210
2957334997313,43cyclictest3030593-21acpi22:35:110
2957334997211,36cyclictest1137-21runrttasks00:37:410
30581332710,5sleep1251rcuc/123:50:201
295733499712,14cyclictest1137-21runrttasks00:15:110
295733499702,10cyclictest2069-21gnome-shell20:31:590
295733499702,10cyclictest2069-21gnome-shell20:31:580
197399700,9rtkit-daemon1972-21rtkit-daemon19:44:432
2957334996818,27cyclictest1137-21runrttasks23:11:280
2957334996810,36cyclictest1137-21runrttasks22:47:370
295733499671,7cyclictest2960124-21df_inode19:15:140
295733499671,11cyclictest3024733-21sshd22:18:570
295733499654,39cyclictest1137-21runrttasks00:08:060
2957334996511,32cyclictest1137-21runrttasks23:21:340
295733499651,11cyclictest3070837-21seq00:26:170
295733499651,11cyclictest3070837-21seq00:26:170
2957334996510,33cyclictest1137-21runrttasks20:49:010
295618026543,14sleep30-21swapper/319:05:193
295618026543,14sleep30-21swapper/319:05:193
295734399648,33cyclictest3052691-21df_inode23:35:172
295734399648,33cyclictest3052691-21df_inode23:35:162
295733499645,7cyclictest1137-21runrttasks22:07:040
295733499642,7cyclictest0-21swapper/022:50:180
2957334996412,31cyclictest1137-21runrttasks21:01:540
295733499641,17cyclictest2069-21gnome-shell23:37:580
295733499641,17cyclictest2069-21gnome-shell23:37:580
295733499641,15cyclictest3002140-21taskset21:12:440
295733499632,11cyclictest3042785-21runrttasks23:09:390
2957334996316,29cyclictest1137-21runrttasks22:22:580
2957343996214,27cyclictest3033714-40apt-check22:41:032
2957343996210,17cyclictest3016928-21irqstats21:55:212
197399620,9rtkit-daemon1972-21rtkit-daemon22:03:532
197399620,9rtkit-daemon1972-21rtkit-daemon22:03:522
295733499613,52cyclictest3068624-21grep00:20:210
295733499611,7cyclictest3041077-21taskset23:04:570
295733499611,6cyclictest2973339-21taskset19:54:340
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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