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Release 4.11 drivers/gpu/drm/amd/amdgpu/amdgpu_benchmark.c

/*
 * 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 dma_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, false); if (r) goto exit_do_move; r = dma_fence_wait(fence, false); if (r) goto exit_do_move; dma_fence_put(fence); } end_jiffies = jiffies; r = jiffies_to_msecs(end_jiffies - start_jiffies); exit_do_move: if (fence) dma_fence_put(fence); return r; }

Contributors

PersonTokensPropCommitsCommitProp
Alex Deucher14295.95%133.33%
Chris Wilson42.70%133.33%
Chunming Zhou21.35%133.33%
Total148100.00%3100.00%


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); }

Contributors

PersonTokensPropCommitsCommitProp
Alex Deucher68100.00%1100.00%
Total68100.00%1100.00%


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, 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, 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"); } }

Contributors

PersonTokensPropCommitsCommitProp
Alex Deucher35998.90%150.00%
Christian König41.10%150.00%
Total363100.00%2100.00%


void amdgpu_benchmark(struct amdgpu_device *adev, int test_number) { int i; static const 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"); } }

Contributors

PersonTokensPropCommitsCommitProp
Alex Deucher37999.48%150.00%
Nils Wallménius20.52%150.00%
Total381100.00%2100.00%


Overall Contributors

PersonTokensPropCommitsCommitProp
Alex Deucher96698.77%120.00%
Chris Wilson40.41%120.00%
Christian König40.41%120.00%
Nils Wallménius20.20%120.00%
Chunming Zhou20.20%120.00%
Total978100.00%5100.00%
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