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2026-02-18 - 10:55
[ 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 #5, 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 50 highest latencies:
System rack5slot3s.osadl.org (updated Wed Feb 18, 2026 00:44:28)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
145022237160,23sleep00-21swapper/019:05:030
161652234163,58sleep10-21swapper/119:06:051
163512200164,24sleep20-21swapper/219:08:272
162792200162,25sleep30-21swapper/319:07:323
1848021750,4sleep21656299cyclictest21:40:012
1841921590,4sleep21656299cyclictest00:05:172
1405621420,5sleep11655899cyclictest21:30:001
16567998581,3cyclictest0-21swapper/319:28:303
261812520,3sleep01655099cyclictest00:23:290
276052500,1sleep10-21swapper/100:25:231
166932460,2sleep30-21swapper/321:35:123
66072450,1sleep10-21swapper/121:10:221
1655099338,11cyclictest0-21swapper/020:35:010
16550993112,16cyclictest29447-21munin-run22:05:010
1655099308,10cyclictest0-21swapper/000:00:020
1655099300,27cyclictest0-21swapper/021:48:190
1656299291,6cyclictest0-21swapper/221:52:242
1656299291,6cyclictest0-21swapper/221:52:242
1656299291,5cyclictest0-21swapper/223:54:432
1656299291,5cyclictest0-21swapper/222:46:302
1656299291,5cyclictest0-21swapper/221:56:512
1656299291,5cyclictest0-21swapper/200:22:532
1656299291,4cyclictest0-21swapper/222:10:082
1656299291,4cyclictest0-21swapper/221:48:192
1655099296,11cyclictest11847-21idleruntime-cro21:25:010
1656299281,6cyclictest0-21swapper/223:40:392
1656299281,6cyclictest0-21swapper/223:22:252
1656299281,6cyclictest0-21swapper/200:28:012
1656299281,5cyclictest0-21swapper/223:27:202
1656299281,5cyclictest0-21swapper/223:16:452
1656299281,5cyclictest0-21swapper/223:10:592
1655099281,25cyclictest0-21swapper/021:35:140
1655099281,24cyclictest0-21swapper/000:28:010
1655099280,25cyclictest0-21swapper/022:46:300
1656299271,6cyclictest0-21swapper/223:37:522
1656299271,6cyclictest0-21swapper/221:17:252
1656299271,5cyclictest0-21swapper/223:30:402
1656299271,5cyclictest0-21swapper/222:50:252
1656299271,5cyclictest0-21swapper/222:07:022
1656299271,5cyclictest0-21swapper/221:22:322
1656299271,5cyclictest0-21swapper/200:18:072
1656299271,4cyclictest0-21swapper/223:05:292
1656299271,4cyclictest0-21swapper/222:35:212
1656299271,4cyclictest0-21swapper/222:04:442
1655099271,20cyclictest0-21swapper/022:55:590
1655099270,25cyclictest0-21swapper/023:16:450
1656299261,6cyclictest0-21swapper/223:55:432
1656299261,6cyclictest0-21swapper/222:20:482
1656299261,6cyclictest0-21swapper/221:41:112
1656299261,6cyclictest0-21swapper/221:13:402
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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