radeon_benchmark.c (6952B)
1/* 2 * Copyright 2009 Jerome Glisse. 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a 5 * copy of this software and associated documentation files (the "Software"), 6 * to deal in the Software without restriction, including without limitation 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8 * and/or sell copies of the Software, and to permit persons to whom the 9 * Software is furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice shall be included in 12 * all copies or substantial portions of the Software. 13 * 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 20 * OTHER DEALINGS IN THE SOFTWARE. 21 * 22 * Authors: Jerome Glisse 23 */ 24 25#include <drm/radeon_drm.h> 26#include "radeon_reg.h" 27#include "radeon.h" 28 29#define RADEON_BENCHMARK_COPY_BLIT 1 30#define RADEON_BENCHMARK_COPY_DMA 0 31 32#define RADEON_BENCHMARK_ITERATIONS 1024 33#define RADEON_BENCHMARK_COMMON_MODES_N 17 34 35static int radeon_benchmark_do_move(struct radeon_device *rdev, unsigned size, 36 uint64_t saddr, uint64_t daddr, 37 int flag, int n, 38 struct dma_resv *resv) 39{ 40 unsigned long start_jiffies; 41 unsigned long end_jiffies; 42 struct radeon_fence *fence = NULL; 43 int i, r; 44 45 start_jiffies = jiffies; 46 for (i = 0; i < n; i++) { 47 switch (flag) { 48 case RADEON_BENCHMARK_COPY_DMA: 49 fence = radeon_copy_dma(rdev, saddr, daddr, 50 size / RADEON_GPU_PAGE_SIZE, 51 resv); 52 break; 53 case RADEON_BENCHMARK_COPY_BLIT: 54 fence = radeon_copy_blit(rdev, saddr, daddr, 55 size / RADEON_GPU_PAGE_SIZE, 56 resv); 57 break; 58 default: 59 DRM_ERROR("Unknown copy method\n"); 60 return -EINVAL; 61 } 62 if (IS_ERR(fence)) 63 return PTR_ERR(fence); 64 65 r = radeon_fence_wait(fence, false); 66 radeon_fence_unref(&fence); 67 if (r) 68 return r; 69 } 70 end_jiffies = jiffies; 71 return jiffies_to_msecs(end_jiffies - start_jiffies); 72} 73 74 75static void radeon_benchmark_log_results(int n, unsigned size, 76 unsigned int time, 77 unsigned sdomain, unsigned ddomain, 78 char *kind) 79{ 80 unsigned int throughput = (n * (size >> 10)) / time; 81 DRM_INFO("radeon: %s %u bo moves of %u kB from" 82 " %d to %d in %u ms, throughput: %u Mb/s or %u MB/s\n", 83 kind, n, size >> 10, sdomain, ddomain, time, 84 throughput * 8, throughput); 85} 86 87static void radeon_benchmark_move(struct radeon_device *rdev, unsigned size, 88 unsigned sdomain, unsigned ddomain) 89{ 90 struct radeon_bo *dobj = NULL; 91 struct radeon_bo *sobj = NULL; 92 uint64_t saddr, daddr; 93 int r, n; 94 int time; 95 96 n = RADEON_BENCHMARK_ITERATIONS; 97 r = radeon_bo_create(rdev, size, PAGE_SIZE, true, sdomain, 0, NULL, NULL, &sobj); 98 if (r) { 99 goto out_cleanup; 100 } 101 r = radeon_bo_reserve(sobj, false); 102 if (unlikely(r != 0)) 103 goto out_cleanup; 104 r = radeon_bo_pin(sobj, sdomain, &saddr); 105 radeon_bo_unreserve(sobj); 106 if (r) { 107 goto out_cleanup; 108 } 109 r = radeon_bo_create(rdev, size, PAGE_SIZE, true, ddomain, 0, NULL, NULL, &dobj); 110 if (r) { 111 goto out_cleanup; 112 } 113 r = radeon_bo_reserve(dobj, false); 114 if (unlikely(r != 0)) 115 goto out_cleanup; 116 r = radeon_bo_pin(dobj, ddomain, &daddr); 117 radeon_bo_unreserve(dobj); 118 if (r) { 119 goto out_cleanup; 120 } 121 122 if (rdev->asic->copy.dma) { 123 time = radeon_benchmark_do_move(rdev, size, saddr, daddr, 124 RADEON_BENCHMARK_COPY_DMA, n, 125 dobj->tbo.base.resv); 126 if (time < 0) 127 goto out_cleanup; 128 if (time > 0) 129 radeon_benchmark_log_results(n, size, time, 130 sdomain, ddomain, "dma"); 131 } 132 133 if (rdev->asic->copy.blit) { 134 time = radeon_benchmark_do_move(rdev, size, saddr, daddr, 135 RADEON_BENCHMARK_COPY_BLIT, n, 136 dobj->tbo.base.resv); 137 if (time < 0) 138 goto out_cleanup; 139 if (time > 0) 140 radeon_benchmark_log_results(n, size, time, 141 sdomain, ddomain, "blit"); 142 } 143 144out_cleanup: 145 if (sobj) { 146 r = radeon_bo_reserve(sobj, false); 147 if (likely(r == 0)) { 148 radeon_bo_unpin(sobj); 149 radeon_bo_unreserve(sobj); 150 } 151 radeon_bo_unref(&sobj); 152 } 153 if (dobj) { 154 r = radeon_bo_reserve(dobj, false); 155 if (likely(r == 0)) { 156 radeon_bo_unpin(dobj); 157 radeon_bo_unreserve(dobj); 158 } 159 radeon_bo_unref(&dobj); 160 } 161 162 if (r) { 163 DRM_ERROR("Error while benchmarking BO move.\n"); 164 } 165} 166 167void radeon_benchmark(struct radeon_device *rdev, int test_number) 168{ 169 int i; 170 int common_modes[RADEON_BENCHMARK_COMMON_MODES_N] = { 171 640 * 480 * 4, 172 720 * 480 * 4, 173 800 * 600 * 4, 174 848 * 480 * 4, 175 1024 * 768 * 4, 176 1152 * 768 * 4, 177 1280 * 720 * 4, 178 1280 * 800 * 4, 179 1280 * 854 * 4, 180 1280 * 960 * 4, 181 1280 * 1024 * 4, 182 1440 * 900 * 4, 183 1400 * 1050 * 4, 184 1680 * 1050 * 4, 185 1600 * 1200 * 4, 186 1920 * 1080 * 4, 187 1920 * 1200 * 4 188 }; 189 190 switch (test_number) { 191 case 1: 192 /* simple test, VRAM to GTT and GTT to VRAM */ 193 radeon_benchmark_move(rdev, 1024*1024, RADEON_GEM_DOMAIN_GTT, 194 RADEON_GEM_DOMAIN_VRAM); 195 radeon_benchmark_move(rdev, 1024*1024, RADEON_GEM_DOMAIN_VRAM, 196 RADEON_GEM_DOMAIN_GTT); 197 break; 198 case 2: 199 /* simple test, VRAM to VRAM */ 200 radeon_benchmark_move(rdev, 1024*1024, RADEON_GEM_DOMAIN_VRAM, 201 RADEON_GEM_DOMAIN_VRAM); 202 break; 203 case 3: 204 /* GTT to VRAM, buffer size sweep, powers of 2 */ 205 for (i = 1; i <= 16384; i <<= 1) 206 radeon_benchmark_move(rdev, i * RADEON_GPU_PAGE_SIZE, 207 RADEON_GEM_DOMAIN_GTT, 208 RADEON_GEM_DOMAIN_VRAM); 209 break; 210 case 4: 211 /* VRAM to GTT, buffer size sweep, powers of 2 */ 212 for (i = 1; i <= 16384; i <<= 1) 213 radeon_benchmark_move(rdev, i * RADEON_GPU_PAGE_SIZE, 214 RADEON_GEM_DOMAIN_VRAM, 215 RADEON_GEM_DOMAIN_GTT); 216 break; 217 case 5: 218 /* VRAM to VRAM, buffer size sweep, powers of 2 */ 219 for (i = 1; i <= 16384; i <<= 1) 220 radeon_benchmark_move(rdev, i * RADEON_GPU_PAGE_SIZE, 221 RADEON_GEM_DOMAIN_VRAM, 222 RADEON_GEM_DOMAIN_VRAM); 223 break; 224 case 6: 225 /* GTT to VRAM, buffer size sweep, common modes */ 226 for (i = 0; i < RADEON_BENCHMARK_COMMON_MODES_N; i++) 227 radeon_benchmark_move(rdev, common_modes[i], 228 RADEON_GEM_DOMAIN_GTT, 229 RADEON_GEM_DOMAIN_VRAM); 230 break; 231 case 7: 232 /* VRAM to GTT, buffer size sweep, common modes */ 233 for (i = 0; i < RADEON_BENCHMARK_COMMON_MODES_N; i++) 234 radeon_benchmark_move(rdev, common_modes[i], 235 RADEON_GEM_DOMAIN_VRAM, 236 RADEON_GEM_DOMAIN_GTT); 237 break; 238 case 8: 239 /* VRAM to VRAM, buffer size sweep, common modes */ 240 for (i = 0; i < RADEON_BENCHMARK_COMMON_MODES_N; i++) 241 radeon_benchmark_move(rdev, common_modes[i], 242 RADEON_GEM_DOMAIN_VRAM, 243 RADEON_GEM_DOMAIN_VRAM); 244 break; 245 246 default: 247 DRM_ERROR("Unknown benchmark\n"); 248 } 249}