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| author | Alex Sierra <alex.sierra@amd.com> | 2022-06-13 13:31:41 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2022-07-28 16:05:16 -0400 |
| commit | 3d2af401cf851be0bf2d4d89af6f120819b786a7 (patch) | |
| tree | 825bf05c6b4c603332f2929c939e99bb7f75e95e | |
| parent | f9af3c16bfe19d145cf0588afa06d7f1070cbe2d (diff) | |
| download | lwn-3d2af401cf851be0bf2d4d89af6f120819b786a7.tar.gz lwn-3d2af401cf851be0bf2d4d89af6f120819b786a7.zip | |
drm/amdgpu: add debugfs for kfd system and ttm mem used
This keeps track of kfd system mem used and kfd ttm mem used.
Signed-off-by: Alex Sierra <alex.sierra@amd.com>
Reviewed-by: Philip Yang <Philip.Yang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h | 3 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c | 19 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/amdkfd/kfd_debugfs.c | 2 |
3 files changed, 24 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h index 83d955f0c52f..3c09dcc0986e 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h @@ -172,6 +172,9 @@ int amdgpu_queue_mask_bit_to_set_resource_bit(struct amdgpu_device *adev, struct amdgpu_amdkfd_fence *amdgpu_amdkfd_fence_create(u64 context, struct mm_struct *mm, struct svm_range_bo *svm_bo); +#if defined(CONFIG_DEBUG_FS) +int kfd_debugfs_kfd_mem_limits(struct seq_file *m, void *data); +#endif #if IS_ENABLED(CONFIG_HSA_AMD) bool amdkfd_fence_check_mm(struct dma_fence *f, struct mm_struct *mm); struct amdgpu_amdkfd_fence *to_amdgpu_amdkfd_fence(struct dma_fence *f); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c index 1d4982471f8d..acc513a7a8fa 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c @@ -2888,3 +2888,22 @@ bool amdgpu_amdkfd_bo_mapped_to_dev(struct amdgpu_device *adev, struct kgd_mem * } return false; } + +#if defined(CONFIG_DEBUG_FS) + +int kfd_debugfs_kfd_mem_limits(struct seq_file *m, void *data) +{ + + spin_lock(&kfd_mem_limit.mem_limit_lock); + seq_printf(m, "System mem used %lldM out of %lluM\n", + (kfd_mem_limit.system_mem_used >> 20), + (kfd_mem_limit.max_system_mem_limit >> 20)); + seq_printf(m, "TTM mem used %lldM out of %lluM\n", + (kfd_mem_limit.ttm_mem_used >> 20), + (kfd_mem_limit.max_ttm_mem_limit >> 20)); + spin_unlock(&kfd_mem_limit.mem_limit_lock); + + return 0; +} + +#endif diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_debugfs.c b/drivers/gpu/drm/amd/amdkfd/kfd_debugfs.c index 581c3a30fee1..ad5a40a685ac 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_debugfs.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_debugfs.c @@ -101,6 +101,8 @@ void kfd_debugfs_init(void) kfd_debugfs_rls_by_device, &kfd_debugfs_fops); debugfs_create_file("hang_hws", S_IFREG | 0200, debugfs_root, kfd_debugfs_hang_hws_read, &kfd_debugfs_hang_hws_fops); + debugfs_create_file("mem_limit", S_IFREG | 0200, debugfs_root, + kfd_debugfs_kfd_mem_limits, &kfd_debugfs_fops); } void kfd_debugfs_fini(void) |