[PATCH RFC 0/4] drm/panfrost: Expose memory usage stats through fdinfo

Boris Brezillon boris.brezillon at collabora.com
Wed Jan 4 13:03:04 UTC 2023


Hello,

Here's an attempt at exposing some memory usage stats through fdinfo,
which recently proved useful in debugging a memory leak. Not entirely
sure the name I chose are accurate, so feel free to propose
alternatives, and let me know if you see any other mem-related stuff
that would be interesting to expose.

Regards,

Boris

Boris Brezillon (4):
  drm/panfrost: Provide a dummy show_fdinfo() implementation
  drm/panfrost: Track BO resident size
  drm/panfrost: Add a helper to retrieve MMU context stats
  drm/panfrost: Expose some memory related stats through fdinfo

 drivers/gpu/drm/panfrost/panfrost_drv.c       | 24 ++++++++++++++++-
 drivers/gpu/drm/panfrost/panfrost_gem.h       |  7 +++++
 .../gpu/drm/panfrost/panfrost_gem_shrinker.c  |  1 +
 drivers/gpu/drm/panfrost/panfrost_mmu.c       | 27 +++++++++++++++++++
 drivers/gpu/drm/panfrost/panfrost_mmu.h       | 10 +++++++
 5 files changed, 68 insertions(+), 1 deletion(-)

-- 
2.38.1



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