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Take a look at /proc/self/fdinfo/$fd.<br>
<br>
The Intel guys made that vendor agnostic and are using it within
their IGT gpu top tool.<br>
<br>
Christian.<br>
<br>
<div class="moz-cite-prefix">Am 02.01.23 um 18:57 schrieb Marek
Olšák:<br>
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<div dir="auto">What are you talking about? Is fdinfo in sysfs?
Userspace drivers can't access sysfs.
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<div dir="auto">Marek</div>
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<div dir="ltr" class="gmail_attr">On Mon, Jan 2, 2023, 10:56
Christian König <<a
href="mailto:ckoenig.leichtzumerken@gmail.com"
moz-do-not-send="true" class="moz-txt-link-freetext">ckoenig.leichtzumerken@gmail.com</a>>
wrote:<br>
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<div> Well first of all don't mess with the VM internals
outside of the VM code.<br>
<br>
Then why would we want to expose this through the IOCTL
interface? We already have this in the fdinfo.<br>
<br>
Christian.<br>
<br>
<div>Am 30.12.22 um 23:07 schrieb Marek Olšák:<br>
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<div dir="ltr">To give userspace a detailed view about its
GPU memory usage and evictions.<br>
This will help performance investigations.<br>
<br>
<div>Signed-off-by: Marek Olšák <<a
href="mailto:marek.olsak@amd.com" target="_blank"
rel="noreferrer" moz-do-not-send="true"
class="moz-txt-link-freetext">marek.olsak@amd.com</a>></div>
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<div>The patch is attached.</div>
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<div>Marek<br>
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