diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_benchmark.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_benchmark.c | 221 |
1 files changed, 221 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_benchmark.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_benchmark.c new file mode 100644 index 000000000000..2742b9a35cbc --- /dev/null +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_benchmark.c @@ -0,0 +1,221 @@ +/* + * Copyright 2009 Jerome Glisse. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: Jerome Glisse + */ +#include <drm/drmP.h> +#include <drm/amdgpu_drm.h> +#include "amdgpu.h" + +#define AMDGPU_BENCHMARK_ITERATIONS 1024 +#define AMDGPU_BENCHMARK_COMMON_MODES_N 17 + +static int amdgpu_benchmark_do_move(struct amdgpu_device *adev, unsigned size, + uint64_t saddr, uint64_t daddr, int n) +{ + unsigned long start_jiffies; + unsigned long end_jiffies; + struct amdgpu_fence *fence = NULL; + int i, r; + + start_jiffies = jiffies; + for (i = 0; i < n; i++) { + struct amdgpu_ring *ring = adev->mman.buffer_funcs_ring; + r = amdgpu_copy_buffer(ring, saddr, daddr, size, NULL, &fence); + if (r) + goto exit_do_move; + r = amdgpu_fence_wait(fence, false); + if (r) + goto exit_do_move; + amdgpu_fence_unref(&fence); + } + end_jiffies = jiffies; + r = jiffies_to_msecs(end_jiffies - start_jiffies); + +exit_do_move: + if (fence) + amdgpu_fence_unref(&fence); + return r; +} + + +static void amdgpu_benchmark_log_results(int n, unsigned size, + unsigned int time, + unsigned sdomain, unsigned ddomain, + char *kind) +{ + unsigned int throughput = (n * (size >> 10)) / time; + DRM_INFO("amdgpu: %s %u bo moves of %u kB from" + " %d to %d in %u ms, throughput: %u Mb/s or %u MB/s\n", + kind, n, size >> 10, sdomain, ddomain, time, + throughput * 8, throughput); +} + +static void amdgpu_benchmark_move(struct amdgpu_device *adev, unsigned size, + unsigned sdomain, unsigned ddomain) +{ + struct amdgpu_bo *dobj = NULL; + struct amdgpu_bo *sobj = NULL; + uint64_t saddr, daddr; + int r, n; + int time; + + n = AMDGPU_BENCHMARK_ITERATIONS; + r = amdgpu_bo_create(adev, size, PAGE_SIZE, true, sdomain, 0, NULL, &sobj); + if (r) { + goto out_cleanup; + } + r = amdgpu_bo_reserve(sobj, false); + if (unlikely(r != 0)) + goto out_cleanup; + r = amdgpu_bo_pin(sobj, sdomain, &saddr); + amdgpu_bo_unreserve(sobj); + if (r) { + goto out_cleanup; + } + r = amdgpu_bo_create(adev, size, PAGE_SIZE, true, ddomain, 0, NULL, &dobj); + if (r) { + goto out_cleanup; + } + r = amdgpu_bo_reserve(dobj, false); + if (unlikely(r != 0)) + goto out_cleanup; + r = amdgpu_bo_pin(dobj, ddomain, &daddr); + amdgpu_bo_unreserve(dobj); + if (r) { + goto out_cleanup; + } + + if (adev->mman.buffer_funcs) { + time = amdgpu_benchmark_do_move(adev, size, saddr, daddr, n); + if (time < 0) + goto out_cleanup; + if (time > 0) + amdgpu_benchmark_log_results(n, size, time, + sdomain, ddomain, "dma"); + } + +out_cleanup: + if (sobj) { + r = amdgpu_bo_reserve(sobj, false); + if (likely(r == 0)) { + amdgpu_bo_unpin(sobj); + amdgpu_bo_unreserve(sobj); + } + amdgpu_bo_unref(&sobj); + } + if (dobj) { + r = amdgpu_bo_reserve(dobj, false); + if (likely(r == 0)) { + amdgpu_bo_unpin(dobj); + amdgpu_bo_unreserve(dobj); + } + amdgpu_bo_unref(&dobj); + } + + if (r) { + DRM_ERROR("Error while benchmarking BO move.\n"); + } +} + +void amdgpu_benchmark(struct amdgpu_device *adev, int test_number) +{ + int i; + int common_modes[AMDGPU_BENCHMARK_COMMON_MODES_N] = { + 640 * 480 * 4, + 720 * 480 * 4, + 800 * 600 * 4, + 848 * 480 * 4, + 1024 * 768 * 4, + 1152 * 768 * 4, + 1280 * 720 * 4, + 1280 * 800 * 4, + 1280 * 854 * 4, + 1280 * 960 * 4, + 1280 * 1024 * 4, + 1440 * 900 * 4, + 1400 * 1050 * 4, + 1680 * 1050 * 4, + 1600 * 1200 * 4, + 1920 * 1080 * 4, + 1920 * 1200 * 4 + }; + + switch (test_number) { + case 1: + /* simple test, VRAM to GTT and GTT to VRAM */ + amdgpu_benchmark_move(adev, 1024*1024, AMDGPU_GEM_DOMAIN_GTT, + AMDGPU_GEM_DOMAIN_VRAM); + amdgpu_benchmark_move(adev, 1024*1024, AMDGPU_GEM_DOMAIN_VRAM, + AMDGPU_GEM_DOMAIN_GTT); + break; + case 2: + /* simple test, VRAM to VRAM */ + amdgpu_benchmark_move(adev, 1024*1024, AMDGPU_GEM_DOMAIN_VRAM, + AMDGPU_GEM_DOMAIN_VRAM); + break; + case 3: + /* GTT to VRAM, buffer size sweep, powers of 2 */ + for (i = 1; i <= 16384; i <<= 1) + amdgpu_benchmark_move(adev, i * AMDGPU_GPU_PAGE_SIZE, + AMDGPU_GEM_DOMAIN_GTT, + AMDGPU_GEM_DOMAIN_VRAM); + break; + case 4: + /* VRAM to GTT, buffer size sweep, powers of 2 */ + for (i = 1; i <= 16384; i <<= 1) + amdgpu_benchmark_move(adev, i * AMDGPU_GPU_PAGE_SIZE, + AMDGPU_GEM_DOMAIN_VRAM, + AMDGPU_GEM_DOMAIN_GTT); + break; + case 5: + /* VRAM to VRAM, buffer size sweep, powers of 2 */ + for (i = 1; i <= 16384; i <<= 1) + amdgpu_benchmark_move(adev, i * AMDGPU_GPU_PAGE_SIZE, + AMDGPU_GEM_DOMAIN_VRAM, + AMDGPU_GEM_DOMAIN_VRAM); + break; + case 6: + /* GTT to VRAM, buffer size sweep, common modes */ + for (i = 0; i < AMDGPU_BENCHMARK_COMMON_MODES_N; i++) + amdgpu_benchmark_move(adev, common_modes[i], + AMDGPU_GEM_DOMAIN_GTT, + AMDGPU_GEM_DOMAIN_VRAM); + break; + case 7: + /* VRAM to GTT, buffer size sweep, common modes */ + for (i = 0; i < AMDGPU_BENCHMARK_COMMON_MODES_N; i++) + amdgpu_benchmark_move(adev, common_modes[i], + AMDGPU_GEM_DOMAIN_VRAM, + AMDGPU_GEM_DOMAIN_GTT); + break; + case 8: + /* VRAM to VRAM, buffer size sweep, common modes */ + for (i = 0; i < AMDGPU_BENCHMARK_COMMON_MODES_N; i++) + amdgpu_benchmark_move(adev, common_modes[i], + AMDGPU_GEM_DOMAIN_VRAM, + AMDGPU_GEM_DOMAIN_VRAM); + break; + + default: + DRM_ERROR("Unknown benchmark\n"); + } +} |