linux-kernel - [PATCH v5 0/7] drm: fdinfo memory stats

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Message-Id: <20230524155956.382440-1-robdclark@gmail.com>
Date:   Wed, 24 May 2023 08:59:30 -0700
From:   Rob Clark <robdclark@...il.com>
To:     dri-devel@...ts.freedesktop.org
Cc:     freedreno@...ts.freedesktop.org, Daniel Vetter <daniel@...ll.ch>,
        Tvrtko Ursulin <tvrtko.ursulin@...ux.intel.com>,
        Boris Brezillon <boris.brezillon@...labora.com>,
        Christopher Healy <healych@...zon.com>,
        Emil Velikov <emil.l.velikov@...il.com>,
        Christian König <christian.koenig@....com>,
        Rob Clark <robdclark@...omium.org>,
        Alex Deucher <alexander.deucher@....com>,
        amd-gfx@...ts.freedesktop.org (open list:RADEON and AMDGPU DRM DRIVERS),
        Arunpravin Paneer Selvam <Arunpravin.PaneerSelvam@....com>,
        Dave Airlie <airlied@...hat.com>,
        Guchun Chen <guchun.chen@....com>,
        Jim Cromie <jim.cromie@...il.com>,
        Lijo Lazar <lijo.lazar@....com>,
        linux-arm-msm@...r.kernel.org (open list:DRM DRIVER FOR MSM ADRENO GPU),
        linux-doc@...r.kernel.org (open list:DOCUMENTATION),
        linux-kernel@...r.kernel.org (open list),
        Marek Olšák <marek.olsak@....com>,
        Mario Limonciello <mario.limonciello@....com>,
        Michel Dänzer <mdaenzer@...hat.com>,
        Sean Paul <sean@...rly.run>,
        Shashank Sharma <shashank.sharma@....com>,
        Srinivasan Shanmugam <srinivasan.shanmugam@....com>,
        YiPeng Chai <YiPeng.Chai@....com>
Subject: [PATCH v5 0/7] drm: fdinfo memory stats

From: Rob Clark <robdclark@...omium.org>

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

I've combined the separate series to add comm/cmdline override onto
the end of this, simply out of convenience (they would otherwise
conflict in a bunch of places).

v2: Extend things to allow for multiple regions other than just system
    "memory", make drm_show_memory_stats() a helper so that, drivers
    can use it or not based on their needs (but in either case, re-
    use drm_print_memory_stats()
v3: Docs fixes
v4: use u64 for drm_memory_stats, small docs update and collected
    Tvrtko's a-b
v5: Rebase on drm-misc-next, drop comm/cmdline override patches

[1] https://patchwork.freedesktop.org/series/112397/

Rob Clark (7):
  drm/docs: Fix usage stats typos
  drm: Add common fdinfo helper
  drm/msm: Switch to fdinfo helper
  drm/amdgpu: Switch to fdinfo helper
  drm: Add fdinfo memory stats
  drm/msm: Add memory stats to fdinfo
  drm/doc: Relax fdinfo string constraints

 Documentation/gpu/drm-usage-stats.rst      |  91 ++++++++++----
 drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c    |   3 +-
 drivers/gpu/drm/amd/amdgpu/amdgpu_fdinfo.c |  32 +++--
 drivers/gpu/drm/amd/amdgpu/amdgpu_fdinfo.h |   2 +-
 drivers/gpu/drm/drm_file.c                 | 132 +++++++++++++++++++++
 drivers/gpu/drm/msm/msm_drv.c              |  13 +-
 drivers/gpu/drm/msm/msm_gem.c              |  15 +++
 drivers/gpu/drm/msm/msm_gpu.c              |   2 -
 include/drm/drm_drv.h                      |   7 ++
 include/drm/drm_file.h                     |  32 +++++
 include/drm/drm_gem.h                      |  32 +++++
 11 files changed, 308 insertions(+), 53 deletions(-)

-- 
2.40.1