drm/amdgpu: add eviction counter
Keep track of the number of evictions since boot.
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
index c1abe09..f4d2699 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
@@ -2042,6 +2042,7 @@
atomic64_t vram_vis_usage;
atomic64_t gtt_usage;
atomic64_t num_bytes_moved;
+ atomic64_t num_evictions;
atomic_t gpu_reset_counter;
/* display */
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
index f85527f..b7742e6 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
@@ -397,6 +397,11 @@
return -EINVAL;
adev = amdgpu_get_adev(bo->bdev);
+
+ /* remember the eviction */
+ if (evict)
+ atomic64_inc(&adev->num_evictions);
+
if (old_mem->mem_type == TTM_PL_SYSTEM && bo->ttm == NULL) {
amdgpu_move_null(bo, new_mem);
return 0;