linux-kernel - Re: [RFC 0/3] drm: Add comm/cmdline fdinfo fields

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Date:   Tue, 18 Apr 2023 11:33:38 +0200
From:   Konrad Dybcio <konrad.dybcio@...aro.org>
To:     Rob Clark <robdclark@...il.com>, dri-devel@...ts.freedesktop.org
Cc:     Tvrtko Ursulin <tvrtko.ursulin@...ux.intel.com>,
        Rob Clark <robdclark@...omium.org>,
        Akhil P Oommen <quic_akhilpo@...cinc.com>,
        Chia-I Wu <olvaffe@...il.com>,
        Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
        "open list:DRM DRIVER FOR MSM ADRENO GPU" 
        <freedreno@...ts.freedesktop.org>,
        "open list:DRM DRIVER FOR MSM ADRENO GPU" 
        <linux-arm-msm@...r.kernel.org>,
        "open list:DOCUMENTATION" <linux-doc@...r.kernel.org>,
        open list <linux-kernel@...r.kernel.org>,
        Sean Paul <sean@...rly.run>
Subject: Re: [RFC 0/3] drm: Add comm/cmdline fdinfo fields

Looks like the 'PATCH' part of your subject was cut off!

Konrad

On 17.04.2023 22:12, Rob Clark wrote:
> From: Rob Clark <robdclark@...omium.org>
> 
> When many of the things using the GPU are processes in a VM guest, the
> actual client process is just a proxy.  The msm driver has a way to let
> the proxy tell the kernel the actual VM client process's executable name
> and command-line, which has until now been used simply for GPU crash
> devcore dumps.  Lets also expose this via fdinfo so that tools can
> expose who the actual user of the GPU is.
> 
> Rob Clark (3):
>   drm/doc: Relax fdinfo string constraints
>   drm/msm: Rework get_comm_cmdline() helper
>   drm/msm: Add comm/cmdline fields
> 
>  Documentation/gpu/drm-usage-stats.rst   | 37 +++++++++++++++----------
>  drivers/gpu/drm/msm/adreno/adreno_gpu.c |  4 +--
>  drivers/gpu/drm/msm/msm_drv.c           |  2 ++
>  drivers/gpu/drm/msm/msm_gpu.c           | 27 +++++++++++++-----
>  drivers/gpu/drm/msm/msm_gpu.h           | 12 ++++++--
>  drivers/gpu/drm/msm/msm_submitqueue.c   |  1 +
>  6 files changed, 58 insertions(+), 25 deletions(-)
>