switch (test_number) {
        case 1:
+               dev_info(adev->dev,
+                        "benchmark test: %d (simple test, VRAM to GTT and GTT to VRAM)\n",
+                        test_number);
                /* simple test, VRAM to GTT and GTT to VRAM */
                r = amdgpu_benchmark_move(adev, 1024*1024, AMDGPU_GEM_DOMAIN_GTT,
                                          AMDGPU_GEM_DOMAIN_VRAM);
                        return r;
                break;
        case 2:
+               dev_info(adev->dev,
+                        "benchmark test: %d (simple test, VRAM to VRAM)\n",
+                        test_number);
                /* simple test, VRAM to VRAM */
                r = amdgpu_benchmark_move(adev, 1024*1024, AMDGPU_GEM_DOMAIN_VRAM,
                                          AMDGPU_GEM_DOMAIN_VRAM);
                        return r;
                break;
        case 3:
+               dev_info(adev->dev,
+                        "benchmark test: %d (GTT to VRAM, buffer size sweep, powers of 2)\n",
+                        test_number);
                /* GTT to VRAM, buffer size sweep, powers of 2 */
                for (i = 1; i <= 16384; i <<= 1) {
                        r = amdgpu_benchmark_move(adev, i * AMDGPU_GPU_PAGE_SIZE,
                }
                break;
        case 4:
+               dev_info(adev->dev,
+                        "benchmark test: %d (VRAM to GTT, buffer size sweep, powers of 2)\n",
+                        test_number);
                /* VRAM to GTT, buffer size sweep, powers of 2 */
                for (i = 1; i <= 16384; i <<= 1) {
                        r = amdgpu_benchmark_move(adev, i * AMDGPU_GPU_PAGE_SIZE,
                }
                break;
        case 5:
+               dev_info(adev->dev,
+                        "benchmark test: %d (VRAM to VRAM, buffer size sweep, powers of 2)\n",
+                        test_number);
                /* VRAM to VRAM, buffer size sweep, powers of 2 */
                for (i = 1; i <= 16384; i <<= 1) {
                        r = amdgpu_benchmark_move(adev, i * AMDGPU_GPU_PAGE_SIZE,
                }
                break;
        case 6:
+               dev_info(adev->dev,
+                        "benchmark test: %d (GTT to VRAM, buffer size sweep, common modes)\n",
+                        test_number);
                /* GTT to VRAM, buffer size sweep, common modes */
                for (i = 0; i < AMDGPU_BENCHMARK_COMMON_MODES_N; i++) {
                        r = amdgpu_benchmark_move(adev, common_modes[i],
                }
                break;
        case 7:
+               dev_info(adev->dev,
+                        "benchmark test: %d (VRAM to GTT, buffer size sweep, common modes)\n",
+                        test_number);
                /* VRAM to GTT, buffer size sweep, common modes */
                for (i = 0; i < AMDGPU_BENCHMARK_COMMON_MODES_N; i++) {
                        r = amdgpu_benchmark_move(adev, common_modes[i],
                }
                break;
        case 8:
+               dev_info(adev->dev,
+                        "benchmark test: %d (VRAM to VRAM, buffer size sweep, common modes)\n",
+                        test_number);
                /* VRAM to VRAM, buffer size sweep, common modes */
                for (i = 0; i < AMDGPU_BENCHMARK_COMMON_MODES_N; i++) {
                        r = amdgpu_benchmark_move(adev, common_modes[i],
                break;
 
        default:
-               dev_info(adev->dev, "Unknown benchmark\n");
+               dev_info(adev->dev, "Unknown benchmark %d\n", test_number);
                r = -EINVAL;
                break;
        }