Commit 33c6bd98 authored by Philip Yang's avatar Philip Yang Committed by Alex Deucher
Browse files

drm/amdkfd: debug message to count successfully migrated pages 



Not all migrate.cpages returned from migrate_vma_setup can be migrated,
for example non anonymous page, or out of device memory. So after
migrate_vma_pages returns, add debug message to count pages are
successfully migrated which has MIGRATE_PFN_VALID and
MIGRATE_PFN_MIGRATE flag set.

Signed-off-by: default avatarPhilip Yang <Philip.Yang@amd.com>
Reviewed-by: default avatarFelix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 75fa98d6

drivers/gpu/drm/amd/amdkfd/kfd_migrate.c

+21 −0
Original line number Diff line number Diff line
@@ -268,6 +268,19 @@ static void svm_migrate_put_sys_page(unsigned long addr) 
	put_page(page);

}



static unsigned long svm_migrate_successful_pages(struct migrate_vma *migrate)

{

	unsigned long cpages = 0;

	unsigned long i;



	for (i = 0; i < migrate->npages; i++) {

		if (migrate->src[i] & MIGRATE_PFN_VALID &&

		    migrate->src[i] & MIGRATE_PFN_MIGRATE)

			cpages++;

	}

	return cpages;

}



static int

svm_migrate_copy_to_vram(struct amdgpu_device *adev, struct svm_range *prange,

			 struct migrate_vma *migrate, struct dma_fence **mfence,
@@ -429,6 +442,10 @@ svm_migrate_vma_to_vram(struct amdgpu_device *adev, struct svm_range *prange, 


	r = svm_migrate_copy_to_vram(adev, prange, &migrate, &mfence, scratch);

	migrate_vma_pages(&migrate);



	pr_debug("successful/cpages/npages 0x%lx/0x%lx/0x%lx\n",

		svm_migrate_successful_pages(&migrate), cpages, migrate.npages);



	svm_migrate_copy_done(adev, mfence);

	migrate_vma_finalize(&migrate);
@@ -665,6 +682,10 @@ svm_migrate_vma_to_ram(struct amdgpu_device *adev, struct svm_range *prange, 
	r = svm_migrate_copy_to_ram(adev, prange, &migrate, &mfence,

				    scratch, npages);

	migrate_vma_pages(&migrate);



	pr_debug("successful/cpages/npages 0x%lx/0x%lx/0x%lx\n",

		svm_migrate_successful_pages(&migrate), cpages, migrate.npages);



	svm_migrate_copy_done(adev, mfence);

	migrate_vma_finalize(&migrate);

	svm_range_dma_unmap(adev->dev, scratch, 0, npages);