/* $OpenBSD: radeon_benchmark.c,v 1.5 2015/07/11 04:00:46 jsg Exp $ */ /* * 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 #include #include "radeon_reg.h" #include "radeon.h" #define RADEON_BENCHMARK_COPY_BLIT 1 #define RADEON_BENCHMARK_COPY_DMA 0 #define RADEON_BENCHMARK_ITERATIONS 1024 #define RADEON_BENCHMARK_COMMON_MODES_N 17 static int radeon_benchmark_do_move(struct radeon_device *rdev, unsigned size, uint64_t saddr, uint64_t daddr, int flag, int n) { unsigned long start_jiffies; unsigned long end_jiffies; struct radeon_fence *fence = NULL; int i, r; start_jiffies = jiffies; for (i = 0; i < n; i++) { switch (flag) { case RADEON_BENCHMARK_COPY_DMA: r = radeon_copy_dma(rdev, saddr, daddr, size / RADEON_GPU_PAGE_SIZE, &fence); break; case RADEON_BENCHMARK_COPY_BLIT: r = radeon_copy_blit(rdev, saddr, daddr, size / RADEON_GPU_PAGE_SIZE, &fence); break; default: DRM_ERROR("Unknown copy method\n"); r = -EINVAL; } if (r) goto exit_do_move; r = radeon_fence_wait(fence, false); if (r) goto exit_do_move; radeon_fence_unref(&fence); } end_jiffies = jiffies; r = jiffies_to_msecs(end_jiffies - start_jiffies); exit_do_move: if (fence) radeon_fence_unref(&fence); return r; } static void radeon_benchmark_log_results(int n, unsigned size, unsigned int time, unsigned sdomain, unsigned ddomain, char *kind) { #ifdef DRMDEBUG unsigned int throughput = (n * (size >> 10)) / time; #endif DRM_INFO("radeon: %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 radeon_benchmark_move(struct radeon_device *rdev, unsigned size, unsigned sdomain, unsigned ddomain) { struct radeon_bo *dobj = NULL; struct radeon_bo *sobj = NULL; uint64_t saddr, daddr; int r, n; int time; n = RADEON_BENCHMARK_ITERATIONS; r = radeon_bo_create(rdev, size, PAGE_SIZE, true, sdomain, NULL, &sobj); if (r) { goto out_cleanup; } r = radeon_bo_reserve(sobj, false); if (unlikely(r != 0)) goto out_cleanup; r = radeon_bo_pin(sobj, sdomain, &saddr); radeon_bo_unreserve(sobj); if (r) { goto out_cleanup; } r = radeon_bo_create(rdev, size, PAGE_SIZE, true, ddomain, NULL, &dobj); if (r) { goto out_cleanup; } r = radeon_bo_reserve(dobj, false); if (unlikely(r != 0)) goto out_cleanup; r = radeon_bo_pin(dobj, ddomain, &daddr); radeon_bo_unreserve(dobj); if (r) { goto out_cleanup; } /* r100 doesn't have dma engine so skip the test */ /* also, VRAM-to-VRAM test doesn't make much sense for DMA */ /* skip it as well if domains are the same */ if ((rdev->asic->copy.dma) && (sdomain != ddomain)) { time = radeon_benchmark_do_move(rdev, size, saddr, daddr, RADEON_BENCHMARK_COPY_DMA, n); if (time < 0) goto out_cleanup; if (time > 0) radeon_benchmark_log_results(n, size, time, sdomain, ddomain, "dma"); } if (rdev->asic->copy.blit) { time = radeon_benchmark_do_move(rdev, size, saddr, daddr, RADEON_BENCHMARK_COPY_BLIT, n); if (time < 0) goto out_cleanup; if (time > 0) radeon_benchmark_log_results(n, size, time, sdomain, ddomain, "blit"); } out_cleanup: if (sobj) { r = radeon_bo_reserve(sobj, false); if (likely(r == 0)) { radeon_bo_unpin(sobj); radeon_bo_unreserve(sobj); } radeon_bo_unref(&sobj); } if (dobj) { r = radeon_bo_reserve(dobj, false); if (likely(r == 0)) { radeon_bo_unpin(dobj); radeon_bo_unreserve(dobj); } radeon_bo_unref(&dobj); } if (r) { DRM_ERROR("Error while benchmarking BO move.\n"); } } void radeon_benchmark(struct radeon_device *rdev, int test_number) { int i; int common_modes[RADEON_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 */ radeon_benchmark_move(rdev, 1024*1024, RADEON_GEM_DOMAIN_GTT, RADEON_GEM_DOMAIN_VRAM); radeon_benchmark_move(rdev, 1024*1024, RADEON_GEM_DOMAIN_VRAM, RADEON_GEM_DOMAIN_GTT); break; case 2: /* simple test, VRAM to VRAM */ radeon_benchmark_move(rdev, 1024*1024, RADEON_GEM_DOMAIN_VRAM, RADEON_GEM_DOMAIN_VRAM); break; case 3: /* GTT to VRAM, buffer size sweep, powers of 2 */ for (i = 1; i <= 16384; i <<= 1) radeon_benchmark_move(rdev, i * RADEON_GPU_PAGE_SIZE, RADEON_GEM_DOMAIN_GTT, RADEON_GEM_DOMAIN_VRAM); break; case 4: /* VRAM to GTT, buffer size sweep, powers of 2 */ for (i = 1; i <= 16384; i <<= 1) radeon_benchmark_move(rdev, i * RADEON_GPU_PAGE_SIZE, RADEON_GEM_DOMAIN_VRAM, RADEON_GEM_DOMAIN_GTT); break; case 5: /* VRAM to VRAM, buffer size sweep, powers of 2 */ for (i = 1; i <= 16384; i <<= 1) radeon_benchmark_move(rdev, i * RADEON_GPU_PAGE_SIZE, RADEON_GEM_DOMAIN_VRAM, RADEON_GEM_DOMAIN_VRAM); break; case 6: /* GTT to VRAM, buffer size sweep, common modes */ for (i = 0; i < RADEON_BENCHMARK_COMMON_MODES_N; i++) radeon_benchmark_move(rdev, common_modes[i], RADEON_GEM_DOMAIN_GTT, RADEON_GEM_DOMAIN_VRAM); break; case 7: /* VRAM to GTT, buffer size sweep, common modes */ for (i = 0; i < RADEON_BENCHMARK_COMMON_MODES_N; i++) radeon_benchmark_move(rdev, common_modes[i], RADEON_GEM_DOMAIN_VRAM, RADEON_GEM_DOMAIN_GTT); break; case 8: /* VRAM to VRAM, buffer size sweep, common modes */ for (i = 0; i < RADEON_BENCHMARK_COMMON_MODES_N; i++) radeon_benchmark_move(rdev, common_modes[i], RADEON_GEM_DOMAIN_VRAM, RADEON_GEM_DOMAIN_VRAM); break; default: DRM_ERROR("Unknown benchmark\n"); } }