diff options
| author | Mukul Joshi <mukul.joshi@amd.com> | 2020-04-28 20:59:55 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2020-04-30 16:47:34 -0400 |
| commit | d4566dee849e4bb3c10577919c00041edd109fc4 (patch) | |
| tree | f806e53bfb3d2ad86c741d5ea7515ced33c63e13 /drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c | |
| parent | b8020b0304c8f44e5e29f0b1a04d31e0bf68d26a (diff) | |
| download | linux-d4566dee849e4bb3c10577919c00041edd109fc4.tar.bz2 | |
drm/amdkfd: Track GPU memory utilization per process
Track GPU VRAM usage on a per process basis and report it through
sysfs.
Signed-off-by: Mukul Joshi <mukul.joshi@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c index 0768b7eb7683..1247938b1ec1 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c @@ -1277,7 +1277,7 @@ err: } int amdgpu_amdkfd_gpuvm_free_memory_of_gpu( - struct kgd_dev *kgd, struct kgd_mem *mem) + struct kgd_dev *kgd, struct kgd_mem *mem, uint64_t *size) { struct amdkfd_process_info *process_info = mem->process_info; unsigned long bo_size = mem->bo->tbo.mem.size; @@ -1286,9 +1286,11 @@ int amdgpu_amdkfd_gpuvm_free_memory_of_gpu( struct ttm_validate_buffer *bo_list_entry; unsigned int mapped_to_gpu_memory; int ret; + bool is_imported = 0; mutex_lock(&mem->lock); mapped_to_gpu_memory = mem->mapped_to_gpu_memory; + is_imported = mem->is_imported; mutex_unlock(&mem->lock); /* lock is not needed after this, since mem is unused and will * be freed anyway @@ -1340,6 +1342,17 @@ int amdgpu_amdkfd_gpuvm_free_memory_of_gpu( kfree(mem->bo->tbo.sg); } + /* Update the size of the BO being freed if it was allocated from + * VRAM and is not imported. + */ + if (size) { + if ((mem->bo->preferred_domains == AMDGPU_GEM_DOMAIN_VRAM) && + (!is_imported)) + *size = bo_size; + else + *size = 0; + } + /* Free the BO*/ amdgpu_bo_unref(&mem->bo); mutex_destroy(&mem->lock); @@ -1694,6 +1707,7 @@ int amdgpu_amdkfd_gpuvm_import_dmabuf(struct kgd_dev *kgd, (*mem)->process_info = avm->process_info; add_kgd_mem_to_kfd_bo_list(*mem, avm->process_info, false); amdgpu_sync_create(&(*mem)->sync); + (*mem)->is_imported = true; return 0; } |