On 17/05/2021 15:39, Nieto, David M wrote:
[AMD Official Use Only]
Maybe we could try to standardize how the different submission ring
usage gets exposed in the fdinfo? We went the simple way of just
adding name and index, but if someone has a suggestion on how else we
could format them so there is commonality across vendors we could just
amend those.
Could you paste an example of your format?
Standardized fdinfo sounds good to me in principle. But I would also
like people to look at the procfs proposal from Chris,
- link to which I have pasted elsewhere in the thread.
Only potential issue with fdinfo I see at the moment is a bit of an
extra cost in DRM client discovery (compared to my sysfs series and also
procfs RFC from Chris). It would require reading all processes (well
threads, then maybe aggregating threads into parent processes), all fd
symlinks, and doing a stat on them to figure out which ones are DRM devices.
Btw is DRM_MAJOR 226 consider uapi? I don't see it in uapi headers.
I’d really like to have the process managers tools display GPU usage
regardless of what vendor is installed.
Definitely.
Regards,
Tvrtko
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