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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/amdgpu_drm.h>
26#include "amdgpu.h"
27
28#define AMDGPU_BENCHMARK_ITERATIONS 1024
29#define AMDGPU_BENCHMARK_COMMON_MODES_N 17
30
31static int amdgpu_benchmark_do_move(struct amdgpu_device *adev, unsigned size,
32 uint64_t saddr, uint64_t daddr, int n, s64 *time_ms)
33{
34 ktime_t stime, etime;
35 struct dma_fence *fence;
36 int i, r;
37
38 stime = ktime_get();
39 for (i = 0; i < n; i++) {
40 struct amdgpu_ring *ring = adev->mman.buffer_funcs_ring;
41 r = amdgpu_copy_buffer(ring, saddr, daddr, size, NULL, &fence,
42 false, false, false);
43 if (r)
44 goto exit_do_move;
45 r = dma_fence_wait(fence, false);
46 dma_fence_put(fence);
47 if (r)
48 goto exit_do_move;
49 }
50
51exit_do_move:
52 etime = ktime_get();
53 *time_ms = ktime_ms_delta(etime, stime);
54
55 return r;
56}
57
58
59static void amdgpu_benchmark_log_results(struct amdgpu_device *adev,
60 int n, unsigned size,
61 s64 time_ms,
62 unsigned sdomain, unsigned ddomain,
63 char *kind)
64{
65 s64 throughput = (n * (size >> 10));
66
67 throughput = div64_s64(throughput, time_ms);
68
69 dev_info(adev->dev, "amdgpu: %s %u bo moves of %u kB from"
70 " %d to %d in %lld ms, throughput: %lld Mb/s or %lld MB/s\n",
71 kind, n, size >> 10, sdomain, ddomain, time_ms,
72 throughput * 8, throughput);
73}
74
75static int amdgpu_benchmark_move(struct amdgpu_device *adev, unsigned size,
76 unsigned sdomain, unsigned ddomain)
77{
78 struct amdgpu_bo *dobj = NULL;
79 struct amdgpu_bo *sobj = NULL;
80 uint64_t saddr, daddr;
81 s64 time_ms;
82 int r, n;
83
84 n = AMDGPU_BENCHMARK_ITERATIONS;
85
86 r = amdgpu_bo_create_kernel(adev, size,
87 PAGE_SIZE, sdomain,
88 &sobj,
89 &saddr,
90 NULL);
91 if (r)
92 goto out_cleanup;
93 r = amdgpu_bo_create_kernel(adev, size,
94 PAGE_SIZE, ddomain,
95 &dobj,
96 &daddr,
97 NULL);
98 if (r)
99 goto out_cleanup;
100
101 if (adev->mman.buffer_funcs) {
102 r = amdgpu_benchmark_do_move(adev, size, saddr, daddr, n, &time_ms);
103 if (r)
104 goto out_cleanup;
105 else
106 amdgpu_benchmark_log_results(adev, n, size, time_ms,
107 sdomain, ddomain, "dma");
108 }
109
110out_cleanup:
111 /* Check error value now. The value can be overwritten when clean up.*/
112 if (r < 0)
113 dev_info(adev->dev, "Error while benchmarking BO move.\n");
114
115 if (sobj)
116 amdgpu_bo_free_kernel(&sobj, &saddr, NULL);
117 if (dobj)
118 amdgpu_bo_free_kernel(&dobj, &daddr, NULL);
119 return r;
120}
121
122int amdgpu_benchmark(struct amdgpu_device *adev, int test_number)
123{
124 int i, r;
125 static const int common_modes[AMDGPU_BENCHMARK_COMMON_MODES_N] = {
126 640 * 480 * 4,
127 720 * 480 * 4,
128 800 * 600 * 4,
129 848 * 480 * 4,
130 1024 * 768 * 4,
131 1152 * 768 * 4,
132 1280 * 720 * 4,
133 1280 * 800 * 4,
134 1280 * 854 * 4,
135 1280 * 960 * 4,
136 1280 * 1024 * 4,
137 1440 * 900 * 4,
138 1400 * 1050 * 4,
139 1680 * 1050 * 4,
140 1600 * 1200 * 4,
141 1920 * 1080 * 4,
142 1920 * 1200 * 4
143 };
144
145 mutex_lock(&adev->benchmark_mutex);
146 switch (test_number) {
147 case 1:
148 dev_info(adev->dev,
149 "benchmark test: %d (simple test, VRAM to GTT and GTT to VRAM)\n",
150 test_number);
151 /* simple test, VRAM to GTT and GTT to VRAM */
152 r = amdgpu_benchmark_move(adev, 1024*1024, AMDGPU_GEM_DOMAIN_GTT,
153 AMDGPU_GEM_DOMAIN_VRAM);
154 if (r)
155 goto done;
156 r = amdgpu_benchmark_move(adev, 1024*1024, AMDGPU_GEM_DOMAIN_VRAM,
157 AMDGPU_GEM_DOMAIN_GTT);
158 if (r)
159 goto done;
160 break;
161 case 2:
162 dev_info(adev->dev,
163 "benchmark test: %d (simple test, VRAM to VRAM)\n",
164 test_number);
165 /* simple test, VRAM to VRAM */
166 r = amdgpu_benchmark_move(adev, 1024*1024, AMDGPU_GEM_DOMAIN_VRAM,
167 AMDGPU_GEM_DOMAIN_VRAM);
168 if (r)
169 goto done;
170 break;
171 case 3:
172 dev_info(adev->dev,
173 "benchmark test: %d (GTT to VRAM, buffer size sweep, powers of 2)\n",
174 test_number);
175 /* GTT to VRAM, buffer size sweep, powers of 2 */
176 for (i = 1; i <= 16384; i <<= 1) {
177 r = amdgpu_benchmark_move(adev, i * AMDGPU_GPU_PAGE_SIZE,
178 AMDGPU_GEM_DOMAIN_GTT,
179 AMDGPU_GEM_DOMAIN_VRAM);
180 if (r)
181 goto done;
182 }
183 break;
184 case 4:
185 dev_info(adev->dev,
186 "benchmark test: %d (VRAM to GTT, buffer size sweep, powers of 2)\n",
187 test_number);
188 /* VRAM to GTT, buffer size sweep, powers of 2 */
189 for (i = 1; i <= 16384; i <<= 1) {
190 r = amdgpu_benchmark_move(adev, i * AMDGPU_GPU_PAGE_SIZE,
191 AMDGPU_GEM_DOMAIN_VRAM,
192 AMDGPU_GEM_DOMAIN_GTT);
193 if (r)
194 goto done;
195 }
196 break;
197 case 5:
198 dev_info(adev->dev,
199 "benchmark test: %d (VRAM to VRAM, buffer size sweep, powers of 2)\n",
200 test_number);
201 /* VRAM to VRAM, buffer size sweep, powers of 2 */
202 for (i = 1; i <= 16384; i <<= 1) {
203 r = amdgpu_benchmark_move(adev, i * AMDGPU_GPU_PAGE_SIZE,
204 AMDGPU_GEM_DOMAIN_VRAM,
205 AMDGPU_GEM_DOMAIN_VRAM);
206 if (r)
207 goto done;
208 }
209 break;
210 case 6:
211 dev_info(adev->dev,
212 "benchmark test: %d (GTT to VRAM, buffer size sweep, common modes)\n",
213 test_number);
214 /* GTT to VRAM, buffer size sweep, common modes */
215 for (i = 0; i < AMDGPU_BENCHMARK_COMMON_MODES_N; i++) {
216 r = amdgpu_benchmark_move(adev, common_modes[i],
217 AMDGPU_GEM_DOMAIN_GTT,
218 AMDGPU_GEM_DOMAIN_VRAM);
219 if (r)
220 goto done;
221 }
222 break;
223 case 7:
224 dev_info(adev->dev,
225 "benchmark test: %d (VRAM to GTT, buffer size sweep, common modes)\n",
226 test_number);
227 /* VRAM to GTT, buffer size sweep, common modes */
228 for (i = 0; i < AMDGPU_BENCHMARK_COMMON_MODES_N; i++) {
229 r = amdgpu_benchmark_move(adev, common_modes[i],
230 AMDGPU_GEM_DOMAIN_VRAM,
231 AMDGPU_GEM_DOMAIN_GTT);
232 if (r)
233 goto done;
234 }
235 break;
236 case 8:
237 dev_info(adev->dev,
238 "benchmark test: %d (VRAM to VRAM, buffer size sweep, common modes)\n",
239 test_number);
240 /* VRAM to VRAM, buffer size sweep, common modes */
241 for (i = 0; i < AMDGPU_BENCHMARK_COMMON_MODES_N; i++) {
242 r = amdgpu_benchmark_move(adev, common_modes[i],
243 AMDGPU_GEM_DOMAIN_VRAM,
244 AMDGPU_GEM_DOMAIN_VRAM);
245 if (r)
246 goto done;
247 }
248 break;
249
250 default:
251 dev_info(adev->dev, "Unknown benchmark %d\n", test_number);
252 r = -EINVAL;
253 break;
254 }
255
256done:
257 mutex_unlock(&adev->benchmark_mutex);
258
259 return r;
260}
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#include <drm/drmP.h>
25#include <drm/amdgpu_drm.h>
26#include "amdgpu.h"
27
28#define AMDGPU_BENCHMARK_ITERATIONS 1024
29#define AMDGPU_BENCHMARK_COMMON_MODES_N 17
30
31static int amdgpu_benchmark_do_move(struct amdgpu_device *adev, unsigned size,
32 uint64_t saddr, uint64_t daddr, int n)
33{
34 unsigned long start_jiffies;
35 unsigned long end_jiffies;
36 struct dma_fence *fence = NULL;
37 int i, r;
38
39 start_jiffies = jiffies;
40 for (i = 0; i < n; i++) {
41 struct amdgpu_ring *ring = adev->mman.buffer_funcs_ring;
42 r = amdgpu_copy_buffer(ring, saddr, daddr, size, NULL, &fence,
43 false, false);
44 if (r)
45 goto exit_do_move;
46 r = dma_fence_wait(fence, false);
47 if (r)
48 goto exit_do_move;
49 dma_fence_put(fence);
50 }
51 end_jiffies = jiffies;
52 r = jiffies_to_msecs(end_jiffies - start_jiffies);
53
54exit_do_move:
55 if (fence)
56 dma_fence_put(fence);
57 return r;
58}
59
60
61static void amdgpu_benchmark_log_results(int n, unsigned size,
62 unsigned int time,
63 unsigned sdomain, unsigned ddomain,
64 char *kind)
65{
66 unsigned int throughput = (n * (size >> 10)) / time;
67 DRM_INFO("amdgpu: %s %u bo moves of %u kB from"
68 " %d to %d in %u ms, throughput: %u Mb/s or %u MB/s\n",
69 kind, n, size >> 10, sdomain, ddomain, time,
70 throughput * 8, throughput);
71}
72
73static void amdgpu_benchmark_move(struct amdgpu_device *adev, unsigned size,
74 unsigned sdomain, unsigned ddomain)
75{
76 struct amdgpu_bo *dobj = NULL;
77 struct amdgpu_bo *sobj = NULL;
78 uint64_t saddr, daddr;
79 int r, n;
80 int time;
81
82 n = AMDGPU_BENCHMARK_ITERATIONS;
83 r = amdgpu_bo_create(adev, size, PAGE_SIZE,sdomain, 0,
84 ttm_bo_type_kernel, NULL, &sobj);
85 if (r) {
86 goto out_cleanup;
87 }
88 r = amdgpu_bo_reserve(sobj, false);
89 if (unlikely(r != 0))
90 goto out_cleanup;
91 r = amdgpu_bo_pin(sobj, sdomain, &saddr);
92 amdgpu_bo_unreserve(sobj);
93 if (r) {
94 goto out_cleanup;
95 }
96 r = amdgpu_bo_create(adev, size, PAGE_SIZE, ddomain, 0,
97 ttm_bo_type_kernel, NULL, &dobj);
98 if (r) {
99 goto out_cleanup;
100 }
101 r = amdgpu_bo_reserve(dobj, false);
102 if (unlikely(r != 0))
103 goto out_cleanup;
104 r = amdgpu_bo_pin(dobj, ddomain, &daddr);
105 amdgpu_bo_unreserve(dobj);
106 if (r) {
107 goto out_cleanup;
108 }
109
110 if (adev->mman.buffer_funcs) {
111 time = amdgpu_benchmark_do_move(adev, size, saddr, daddr, n);
112 if (time < 0)
113 goto out_cleanup;
114 if (time > 0)
115 amdgpu_benchmark_log_results(n, size, time,
116 sdomain, ddomain, "dma");
117 }
118
119out_cleanup:
120 /* Check error value now. The value can be overwritten when clean up.*/
121 if (r) {
122 DRM_ERROR("Error while benchmarking BO move.\n");
123 }
124
125 if (sobj) {
126 r = amdgpu_bo_reserve(sobj, true);
127 if (likely(r == 0)) {
128 amdgpu_bo_unpin(sobj);
129 amdgpu_bo_unreserve(sobj);
130 }
131 amdgpu_bo_unref(&sobj);
132 }
133 if (dobj) {
134 r = amdgpu_bo_reserve(dobj, true);
135 if (likely(r == 0)) {
136 amdgpu_bo_unpin(dobj);
137 amdgpu_bo_unreserve(dobj);
138 }
139 amdgpu_bo_unref(&dobj);
140 }
141}
142
143void amdgpu_benchmark(struct amdgpu_device *adev, int test_number)
144{
145 int i;
146 static const int common_modes[AMDGPU_BENCHMARK_COMMON_MODES_N] = {
147 640 * 480 * 4,
148 720 * 480 * 4,
149 800 * 600 * 4,
150 848 * 480 * 4,
151 1024 * 768 * 4,
152 1152 * 768 * 4,
153 1280 * 720 * 4,
154 1280 * 800 * 4,
155 1280 * 854 * 4,
156 1280 * 960 * 4,
157 1280 * 1024 * 4,
158 1440 * 900 * 4,
159 1400 * 1050 * 4,
160 1680 * 1050 * 4,
161 1600 * 1200 * 4,
162 1920 * 1080 * 4,
163 1920 * 1200 * 4
164 };
165
166 switch (test_number) {
167 case 1:
168 /* simple test, VRAM to GTT and GTT to VRAM */
169 amdgpu_benchmark_move(adev, 1024*1024, AMDGPU_GEM_DOMAIN_GTT,
170 AMDGPU_GEM_DOMAIN_VRAM);
171 amdgpu_benchmark_move(adev, 1024*1024, AMDGPU_GEM_DOMAIN_VRAM,
172 AMDGPU_GEM_DOMAIN_GTT);
173 break;
174 case 2:
175 /* simple test, VRAM to VRAM */
176 amdgpu_benchmark_move(adev, 1024*1024, AMDGPU_GEM_DOMAIN_VRAM,
177 AMDGPU_GEM_DOMAIN_VRAM);
178 break;
179 case 3:
180 /* GTT to VRAM, buffer size sweep, powers of 2 */
181 for (i = 1; i <= 16384; i <<= 1)
182 amdgpu_benchmark_move(adev, i * AMDGPU_GPU_PAGE_SIZE,
183 AMDGPU_GEM_DOMAIN_GTT,
184 AMDGPU_GEM_DOMAIN_VRAM);
185 break;
186 case 4:
187 /* VRAM to GTT, buffer size sweep, powers of 2 */
188 for (i = 1; i <= 16384; i <<= 1)
189 amdgpu_benchmark_move(adev, i * AMDGPU_GPU_PAGE_SIZE,
190 AMDGPU_GEM_DOMAIN_VRAM,
191 AMDGPU_GEM_DOMAIN_GTT);
192 break;
193 case 5:
194 /* VRAM to VRAM, buffer size sweep, powers of 2 */
195 for (i = 1; i <= 16384; i <<= 1)
196 amdgpu_benchmark_move(adev, i * AMDGPU_GPU_PAGE_SIZE,
197 AMDGPU_GEM_DOMAIN_VRAM,
198 AMDGPU_GEM_DOMAIN_VRAM);
199 break;
200 case 6:
201 /* GTT to VRAM, buffer size sweep, common modes */
202 for (i = 0; i < AMDGPU_BENCHMARK_COMMON_MODES_N; i++)
203 amdgpu_benchmark_move(adev, common_modes[i],
204 AMDGPU_GEM_DOMAIN_GTT,
205 AMDGPU_GEM_DOMAIN_VRAM);
206 break;
207 case 7:
208 /* VRAM to GTT, buffer size sweep, common modes */
209 for (i = 0; i < AMDGPU_BENCHMARK_COMMON_MODES_N; i++)
210 amdgpu_benchmark_move(adev, common_modes[i],
211 AMDGPU_GEM_DOMAIN_VRAM,
212 AMDGPU_GEM_DOMAIN_GTT);
213 break;
214 case 8:
215 /* VRAM to VRAM, buffer size sweep, common modes */
216 for (i = 0; i < AMDGPU_BENCHMARK_COMMON_MODES_N; i++)
217 amdgpu_benchmark_move(adev, common_modes[i],
218 AMDGPU_GEM_DOMAIN_VRAM,
219 AMDGPU_GEM_DOMAIN_VRAM);
220 break;
221
222 default:
223 DRM_ERROR("Unknown benchmark\n");
224 }
225}