Panthor has recently gained a GEM shrinker. It allows evicting memory that backs unused GEM objects to swap.
In this series, both fdinfo and Panthor's gems debugfs are extended so that information on evicted pages can be gathered by users through these two methods. --- Changes in v4: - Change "evicted" memory type documentation to no longer explicitly mention swap - Link to v3: https://patch.msgid.link/20260423-panthor-bo-reclaim-observability-v3-0-60af32164...@collabora.com Changes in v3: - Add documentation for new "evicted" memory type in fdinfo - Link to v2: https://patch.msgid.link/20260421-panthor-bo-reclaim-observability-v2-0-c9135eedf...@collabora.com Changes in v2: - Change reclaimed_count to saturate at INT_MAX - Add "evictions" column to panthor gems debugfs which prints reclaimed_count - Add a patch to reduce the padding of one panthor gems debugfs column a bit - Link to v1: https://patch.msgid.link/20260420-panthor-bo-reclaim-observability-v1-0-a4d1a36ee...@collabora.com To: Maarten Lankhorst <[email protected]> To: Maxime Ripard <[email protected]> To: Thomas Zimmermann <[email protected]> To: David Airlie <[email protected]> To: Simona Vetter <[email protected]> To: Boris Brezillon <[email protected]> To: Steven Price <[email protected]> To: Liviu Dudau <[email protected]> To: Jonathan Corbet <[email protected]> To: Shuah Khan <[email protected]> To: Tvrtko Ursulin <[email protected]> Cc: [email protected] Cc: [email protected] Cc: [email protected] Cc: [email protected] Signed-off-by: Nicolas Frattaroli <[email protected]> --- Nicolas Frattaroli (3): drm/fdinfo: Add "evicted" memory accounting drm/panthor: Implement evicted status for GEM objects drm/panthor: Reduce padding in gems debugfs for refcount Documentation/gpu/drm-usage-stats.rst | 6 ++++++ drivers/gpu/drm/drm_file.c | 8 ++++++++ drivers/gpu/drm/panthor/panthor_gem.c | 18 ++++++++++++++---- drivers/gpu/drm/panthor/panthor_gem.h | 10 ++++++++++ include/drm/drm_file.h | 2 ++ include/drm/drm_gem.h | 2 ++ 6 files changed, 42 insertions(+), 4 deletions(-) --- base-commit: 69c95e4c529297c25503e60acba757fba24fdc95 change-id: 20260420-panthor-bo-reclaim-observability-970679c9533c Best regards, -- Nicolas Frattaroli <[email protected]>
