diff options
| author | Alex Deucher <alexander.deucher@amd.com> | 2022-02-19 00:41:27 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2022-02-23 22:02:50 +0300 |
| commit | e7c4723103dc58c3d86fc7bc4e03c2ab500ef8b5 (patch) | |
| tree | cdb1d7ab2d6ea9fa8e219942e77c523c8be912bc /drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c | |
| parent | a0c5fd46b2510cb054bd4e1fa6c2f207424c97e5 (diff) | |
| download | linux-e7c4723103dc58c3d86fc7bc4e03c2ab500ef8b5.tar.xz | |
drm/amdgpu: expose benchmarks via debugfs
They provide a nice smoke test of transfer performance
using SDMA. Allow the user to run these at runtime
rather than only at init time.
v2: fix permissions (Alex)
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c index db8a8710333e..9ec4d3225763 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c @@ -1362,6 +1362,25 @@ static int amdgpu_debugfs_evict_gtt(void *data, u64 *val) return 0; } +static int amdgpu_debugfs_benchmark(void *data, u64 val) +{ + struct amdgpu_device *adev = (struct amdgpu_device *)data; + struct drm_device *dev = adev_to_drm(adev); + int r; + + r = pm_runtime_get_sync(dev->dev); + if (r < 0) { + pm_runtime_put_autosuspend(dev->dev); + return r; + } + + r = amdgpu_benchmark(adev, val); + + pm_runtime_mark_last_busy(dev->dev); + pm_runtime_put_autosuspend(dev->dev); + + return r; +} static int amdgpu_debugfs_vm_info_show(struct seq_file *m, void *unused) { @@ -1398,6 +1417,8 @@ DEFINE_DEBUGFS_ATTRIBUTE(amdgpu_evict_vram_fops, amdgpu_debugfs_evict_vram, NULL, "%lld\n"); DEFINE_DEBUGFS_ATTRIBUTE(amdgpu_evict_gtt_fops, amdgpu_debugfs_evict_gtt, NULL, "%lld\n"); +DEFINE_DEBUGFS_ATTRIBUTE(amdgpu_benchmark_fops, NULL, amdgpu_debugfs_benchmark, + "%lld\n"); static void amdgpu_ib_preempt_fences_swap(struct amdgpu_ring *ring, struct dma_fence **fences) @@ -1683,6 +1704,8 @@ int amdgpu_debugfs_init(struct amdgpu_device *adev) &amdgpu_debugfs_test_ib_fops); debugfs_create_file("amdgpu_vm_info", 0444, root, adev, &amdgpu_debugfs_vm_info_fops); + debugfs_create_file("amdgpu_benchmark", 0200, root, adev, + &amdgpu_benchmark_fops); adev->debugfs_vbios_blob.data = adev->bios; adev->debugfs_vbios_blob.size = adev->bios_size; |