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drm/amdgpu: add shared fdinfo stats 

[ Upstream commit ba1a58d5b9 ]

Add shared stats.  Useful for seeing shared memory.

v2: take dma-buf into account as well
v3: use the new gem helper

Link: https://lore.kernel.org/all/20231207180225.439482-1-alexander.deucher@amd.com/
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: Rob Clark <robdclark@gmail.com>
Reviewed-by: Christian König <christian.keonig@amd.com>
Signed-off-by: Christian König <christian.koenig@amd.com>
Stable-dep-of: a6ff969fe9 ("drm/amdgpu: fix visible VRAM handling during faults")
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Alex Deucher 2024-02-12 16:04:26 -05:00 committed by Greg Kroah-Hartman
parent 7a3438115d
commit 1ddc44a75c
3 changed files with 21 additions and 0 deletions
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4
drivers/gpu/drm/amd/amdgpu/amdgpu_fdinfo.c
View File

@ -97,6 +97,10 @@ void amdgpu_show_fdinfo(struct drm_printer *p, struct drm_file *file)
stats.requested_visible_vram/1024UL);
drm_printf(p, "amd-requested-gtt:\t%llu KiB\n",
stats.requested_gtt/1024UL);
drm_printf(p, "drm-shared-vram:\t%llu KiB\n", stats.vram_shared/1024UL);
drm_printf(p, "drm-shared-gtt:\t%llu KiB\n", stats.gtt_shared/1024UL);
drm_printf(p, "drm-shared-cpu:\t%llu KiB\n", stats.cpu_shared/1024UL);
for (hw_ip = 0; hw_ip < AMDGPU_HW_IP_NUM; ++hw_ip) {
if (!usage[hw_ip])
continue;

11
drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
View File

@ -1276,25 +1276,36 @@ void amdgpu_bo_get_memory(struct amdgpu_bo *bo,
struct amdgpu_mem_stats *stats)
{
uint64_t size = amdgpu_bo_size(bo);
struct drm_gem_object *obj;
unsigned int domain;
bool shared;
/* Abort if the BO doesn't currently have a backing store */
if (!bo->tbo.resource)
return;
obj = &bo->tbo.base;
shared = drm_gem_object_is_shared_for_memory_stats(obj);
domain = amdgpu_mem_type_to_domain(bo->tbo.resource->mem_type);
switch (domain) {
case AMDGPU_GEM_DOMAIN_VRAM:
stats->vram += size;
if (amdgpu_bo_in_cpu_visible_vram(bo))
stats->visible_vram += size;
if (shared)
stats->vram_shared += size;
break;
case AMDGPU_GEM_DOMAIN_GTT:
stats->gtt += size;
if (shared)
stats->gtt_shared += size;
break;
case AMDGPU_GEM_DOMAIN_CPU:
default:
stats->cpu += size;
if (shared)
stats->cpu_shared += size;
break;
}

6
drivers/gpu/drm/amd/amdgpu/amdgpu_object.h
View File

@ -138,12 +138,18 @@ struct amdgpu_bo_vm {
struct amdgpu_mem_stats {
/* current VRAM usage, includes visible VRAM */
uint64_t vram;
/* current shared VRAM usage, includes visible VRAM */
uint64_t vram_shared;
/* current visible VRAM usage */
uint64_t visible_vram;
/* current GTT usage */
uint64_t gtt;
/* current shared GTT usage */
uint64_t gtt_shared;
/* current system memory usage */
uint64_t cpu;
/* current shared system memory usage */
uint64_t cpu_shared;
/* sum of evicted buffers, includes visible VRAM */
uint64_t evicted_vram;
/* sum of evicted buffers due to CPU access */