Re: [PATCH v2 0/2] drm: fdinfo memory stats

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On Mon, Apr 10, 2023 at 2:06 PM Rob Clark <robdclark@xxxxxxxxx> wrote:
>
> From: Rob Clark <robdclark@xxxxxxxxxxxx>
>
> Similar motivation to other similar recent attempt[1].  But with an
> attempt to have some shared code for this.  As well as documentation.
>
> It is probably a bit UMA-centric, I guess devices with VRAM might want
> some placement stats as well.  But this seems like a reasonable start.
>
> Basic gputop support: https://patchwork.freedesktop.org/series/116236/
> And already nvtop support: https://github.com/Syllo/nvtop/pull/204

On a related topic, I'm wondering if it would make sense to report
some more global things (temp, freq, etc) via fdinfo?  Some of this,
tools like nvtop could get by trawling sysfs or other driver specific
ways.  But maybe it makes sense to have these sort of things reported
in a standardized way (even though they aren't really per-drm_file)

BR,
-R


> [1] https://patchwork.freedesktop.org/series/112397/
>
> Rob Clark (2):
>   drm: Add fdinfo memory stats
>   drm/msm: Add memory stats to fdinfo
>
>  Documentation/gpu/drm-usage-stats.rst | 21 +++++++
>  drivers/gpu/drm/drm_file.c            | 79 +++++++++++++++++++++++++++
>  drivers/gpu/drm/msm/msm_drv.c         | 25 ++++++++-
>  drivers/gpu/drm/msm/msm_gpu.c         |  2 -
>  include/drm/drm_file.h                | 10 ++++
>  5 files changed, 134 insertions(+), 3 deletions(-)
>
> --
> 2.39.2
>




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