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2026-02-02 - 04:33
[ 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 #e, slot #8

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 rackeslot8s.osadl.org (updated Mon Feb 02, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
26396719912980,1294cyclictest28031702sleep33
26396719912860,1282cyclictest28948452sleep33
26396719911961,1190cyclictest2965712-21sleep3
2639671994122,407cyclictest2661123-21turbostat3
296570021220,2sleep00-21swapper/00
263967199223,16cyclictest531rcuc/33
2639671992220,1cyclictest0-21swapper/33
26680352191,4sleep02668068-21apt-get0
2639671991916,1cyclictest0-21swapper/33
2639671991816,1cyclictest0-21swapper/33
2639671991815,1cyclictest0-21swapper/33
2639671991715,1cyclictest0-21swapper/33
2639671991715,1cyclictest0-21swapper/33
2639671991715,1cyclictest0-21swapper/33
2639671991714,1cyclictest0-21swapper/33
2639671991614,1cyclictest0-21swapper/33
263967199161,11cyclictest3030227-21turbostat3
263967199159,3cyclictest27136182sleep33
2639671991513,1cyclictest0-21swapper/33
2639671991513,1cyclictest0-21swapper/33
2639671991512,1cyclictest0-21swapper/33
2639671991512,1cyclictest0-21swapper/33
2639671991512,1cyclictest0-21swapper/33
2639671991512,1cyclictest0-21swapper/33
2639671991512,1cyclictest0-21swapper/33
2639671991512,1cyclictest0-21swapper/33
263967199151,11cyclictest2940229-21taskset3
263967199151,10cyclictest2758254-21turbostat3
30175542140,9sleep23017108-21apt-get2
263967199148,4cyclictest3036685-21turbostat3
263967199145,6cyclictest27648992sleep33
263967199144,6cyclictest28820262sleep33
2639671991413,0cyclictest0-21swapper/33
2639671991412,1cyclictest0-21swapper/33
2639671991412,1cyclictest0-21swapper/33
2639671991412,1cyclictest0-21swapper/33
2639671991412,1cyclictest0-21swapper/33
2639671991412,0cyclictest0-21swapper/33
2639671991411,1cyclictest0-21swapper/33
2639671991411,1cyclictest0-21swapper/33
2639671991411,1cyclictest0-21swapper/33
263967199141,11cyclictest0-21swapper/33
263967199141,10cyclictest3049203-21taskset3
263967199141,10cyclictest2920975-21chrt3
263967199141,10cyclictest2868305-21taskset3
263967199141,10cyclictest2836027-21turbostat3
263967199131,9cyclictest2946445-21taskset3
263967199131,9cyclictest2829193-21taskset3
263967199131,9cyclictest2706551-21taskset3
263967199131,9cyclictest2648657-21taskset3
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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