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2026-01-28 - 13:15
[ 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 20 highest latencies:
System rack0slot6s.osadl.org (updated Wed Jan 28, 2026 00:46:10)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
304567299707,31cyclictest0-21swapper/1121:37:423
35017402660,0sleep00-21swapper/019:52:250
3045688996560,2cyclictest3078566-21melt19:12:599
3045677995953,5cyclictest3108040-21MediaSu~sor5
444820570,48data-loop.00-21swapper/319:08:4513
3045683995551,2cyclictest0-21swapper/1519:40:597
3045632995450,2cyclictest3126381-40tracker-miner-f19:17:590
444820520,47data-loop.00-21swapper/1419:05:296
3045644995216,0cyclictest0-21swapper/223:29:0612
3045634995246,4cyclictest3111330-40tracker-miner-f19:16:041
444820510,46data-loop.00-21swapper/1319:07:355
3045649995115,0cyclictest0-21swapper/423:29:0614
301630925147,2sleep100-21swapper/1019:06:502
444820490,44data-loop.00-21swapper/419:05:3214
3045680994947,1cyclictest183150irq/150-eno123:02:336
3045680994947,1cyclictest183150irq/150-eno123:02:336
3045649994947,2cyclictest0-21swapper/421:46:4914
3045693994833,13cyclictest5473-21CPU10
304566299480,0cyclictest0-21swapper/723:17:4117
304564999480,47cyclictest0-21swapper/420:10:5214
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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