<html><head></head><body><div class="yahoo-style-wrap" style="font-family:Helvetica Neue, Helvetica, Arial, sans-serif;font-size:13px;"><div style="font-family:'Helvetica Neue', Helvetica, Arial, sans-serif;font-size:13px;color:#26282a;">>> Those accesses might not stop with just the display off - some <br clear="none"><div><div dir="ltr">>> applications may keep redrawing.<br clear="none"></div><div dir="ltr" data-setdir="false"><div dir="ltr" data-setdir="false">Will these accesses cause iGPU or dedicated GPU accesses to the DRAM? I think that those redrawings originate from the processor.<br></div><div><br></div>>I'm not sure a graphical benchmark will run without a graphical system<br clear="none">>running?<br clear="none">Yes, VLC is one of the benchmarks and will not run without GUI.<br clear="none"><div><br></div><div>>Maybe do the reverse of what I suggested. Run the benchmark but send</div>>the output to a remote display.<br clear="none"><div>Will it avoid screen activation in the local machine?<br></div><br clear="none">>Since IMC counters appear to be a feature of the powerpc architecture,<br clear="none">>you might get a better response from some list/forum specific to that<br clear="none"><div>>architecture.</div><div><br></div><div class="ydp99d6236yqt5774082894" id="ydp99d6236yqtfd40330" dir="ltr" data-setdir="false"><div dir="ltr" data-setdir="false">IMC stands for the Integrated Memory Controller. The DRAM controller has some internal counters for counting different types of memory accesses. For example, for my laptop it is documented here:</div><div dir="ltr" data-setdir="false"><span>https://software.intel.com/content/www/us/en/develop/articles/monitoring-integrated-memory-controller-requests-in-the-2nd-3rd-and-4th-generation-intel.html</span><br></div><div><br></div><div dir="ltr" data-setdir="false">Do you have any suggestions about the cause of the xrandr error? It works perfectly in the virtual machine!<br></div><div><br></div></div></div></div>
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