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2026-03-08 - 10:30
[ 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 #4, slot #1

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.

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 rack4slot1s.osadl.org (updated Sun Mar 08, 2026 00:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1064421040,2sleep10-21swapper/121:11:331
1064421040,2sleep10-21swapper/121:11:331
5882890,3sleep0171ktimers/023:36:400
5882890,3sleep0171ktimers/023:36:400
5882890,3sleep0171ktimers/023:36:400
213612760,2sleep121363-21grep23:06:341
213612760,2sleep121363-21grep23:06:341
181602700,2sleep00-21swapper/022:56:410
181602700,2sleep00-21swapper/022:56:410
181602700,2sleep00-21swapper/022:56:410
255482580,2chrt25544-21strings23:16:391
255482580,2chrt25544-21strings23:16:391
129652560,1sleep10-21swapper/100:11:261
129652560,1sleep10-21swapper/100:11:261
167502550,2chrt16744-21acpi20:01:330
259812540,2sleep10-21swapper/121:51:381
259812540,2sleep10-21swapper/121:51:381
166982520,3chrt16702-21latency_hist20:01:301
166982520,3chrt16702-21latency_hist20:01:301
58062510,1sleep10-21swapper/119:31:361
58062510,1sleep10-21swapper/119:31:361
324252490,2chrt0-21swapper/320:41:403
324252490,2chrt0-21swapper/320:41:403
126272480,6sleep1281ktimers/122:41:421
126272480,6sleep1281ktimers/122:41:421
45112420,2sleep30-21swapper/322:21:353
30770994217,23cyclictest0-21swapper/000:01:280
30770994217,23cyclictest0-21swapper/000:01:280
30770994217,23cyclictest0-21swapper/000:01:280
284542390,1sleep10-21swapper/121:56:431
284542390,1sleep10-21swapper/121:56:431
284542390,1sleep10-21swapper/121:56:431
221142380,4chrt22118-21gltestperf21:41:361
221142380,4chrt22118-21gltestperf21:41:361
30770993731,4cyclictest0-21swapper/021:21:330
30770993731,4cyclictest0-21swapper/021:21:330
3077299361,26cyclictest9234-21chrt00:01:262
3077299361,26cyclictest9234-21chrt00:01:262
3077299361,26cyclictest9234-21chrt00:01:262
30770993529,4cyclictest28025-21unixbench_singl23:21:450
204562350,3sleep00-21swapper/000:31:270
30771993328,4cyclictest572-21cups-browsed22:46:431
30771993328,4cyclictest572-21cups-browsed22:46:431
30770993325,6cyclictest2759-21gltestperf22:16:340
30770993325,6cyclictest2759-21gltestperf22:16:340
30770993325,6cyclictest2759-21gltestperf22:16:340
3077399321,21cyclictest9253-21chrt00:01:273
3077399321,21cyclictest9253-21chrt00:01:273
3077399321,21cyclictest9253-21chrt00:01:273
30771993227,3cyclictest21513-21cron21:41:221
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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