[PATCH v6 0/7] Improve gpu_scheduler trace events + uAPI

[Philipp Stanner]

On Thu, 2024-11-14 at 11:01 +0100, Pierre-Eric Pelloux-Prayer wrote:
> Hi,
> 

Hi,

I have only just discovered this thread; Danilo and I (we're
maintainers of the scheduler since early October) seem to miss on CC.
Do you use scripts/get_maintainer?

I'll look into this series soonish.

Regards,
P.

> The initial goal of this series was to improve the drm and amdgpu
> trace events to be able to expose more of the inner workings of
> the scheduler and drivers to developers via tools.
> 
> Then, the series evolved to become focused only on gpu_scheduler.
> The changes around vblank events will be part of a different
> series, as well as the amdgpu ones.
> 
> Moreover Sima suggested to make some trace events stable uAPI,
> so tools can rely on them long term.
> 
> The first patches extend and cleanup the gpu scheduler events.
> 
> The last one adds a documentation entry in drm-uapi.rst.
> 
> Changes since v5:
> * Addressed Christian, Maíra and Lucas' comments.
> * Added patch 1, 2, 6 to include drm_client_id to the events. This
>   is required when a single app uses multiple fds for the same
> device.
> * Validated that the patches don't break gpuvis
> 
> Useful links:
> - userspace tool using the updated events:
> https://gitlab.freedesktop.org/tomstdenis/umr/-/merge_requests/37
> - v5:
> https://lists.freedesktop.org/archives/dri-devel/2024-June/457827.html
> 
> 
> Pierre-Eric Pelloux-Prayer (7):
>   drm/debugfs: output client_id in in drm_clients_info
>   drm/sched: store the drm client_id in drm_sched_fence
>   drm/sched: add device name to the drm_sched_process_job event
>   drm/sched: cleanup gpu_scheduler trace events
>   drm/sched: trace dependencies for gpu jobs
>   drm/sched: add the drm_client_id to the drm_sched_run/exec_job
> events
>   drm/doc: document some tracepoints as uAPI
> 
>  Documentation/gpu/drm-uapi.rst                |  19 +++
>  drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c    |   2 +-
>  drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c        |   3 +-
>  drivers/gpu/drm/amd/amdgpu/amdgpu_job.c       |   8 +-
>  drivers/gpu/drm/amd/amdgpu/amdgpu_job.h       |   3 +-
>  drivers/gpu/drm/drm_debugfs.c                 |  10 +-
>  drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c  |   2 +-
>  drivers/gpu/drm/imagination/pvr_job.c         |   2 +-
>  drivers/gpu/drm/imagination/pvr_queue.c       |   5 +-
>  drivers/gpu/drm/imagination/pvr_queue.h       |   2 +-
>  drivers/gpu/drm/lima/lima_gem.c               |   2 +-
>  drivers/gpu/drm/lima/lima_sched.c             |   6 +-
>  drivers/gpu/drm/lima/lima_sched.h             |   3 +-
>  drivers/gpu/drm/msm/msm_gem_submit.c          |   8 +-
>  drivers/gpu/drm/nouveau/nouveau_sched.c       |   3 +-
>  drivers/gpu/drm/panfrost/panfrost_drv.c       |   2 +-
>  .../gpu/drm/scheduler/gpu_scheduler_trace.h   | 121 ++++++++++++++--
> --
>  drivers/gpu/drm/scheduler/sched_entity.c      |   8 +-
>  drivers/gpu/drm/scheduler/sched_fence.c       |   4 +-
>  drivers/gpu/drm/scheduler/sched_main.c        |   8 +-
>  drivers/gpu/drm/v3d/v3d_submit.c              |   2 +-
>  drivers/gpu/drm/xe/xe_sched_job.c             |   3 +-
>  include/drm/gpu_scheduler.h                   |  12 +-
>  23 files changed, 181 insertions(+), 57 deletions(-)
>