Line data Source code
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 :
31 0 : static 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 0 : stime = ktime_get();
39 0 : for (i = 0; i < n; i++) {
40 0 : struct amdgpu_ring *ring = adev->mman.buffer_funcs_ring;
41 0 : r = amdgpu_copy_buffer(ring, saddr, daddr, size, NULL, &fence,
42 : false, false, false);
43 0 : if (r)
44 : goto exit_do_move;
45 0 : r = dma_fence_wait(fence, false);
46 0 : dma_fence_put(fence);
47 0 : if (r)
48 : goto exit_do_move;
49 : }
50 :
51 : exit_do_move:
52 0 : etime = ktime_get();
53 0 : *time_ms = ktime_ms_delta(etime, stime);
54 :
55 0 : return r;
56 : }
57 :
58 :
59 : static 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 0 : s64 throughput = (n * (size >> 10));
66 :
67 0 : throughput = div64_s64(throughput, time_ms);
68 :
69 0 : 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 :
75 0 : static int amdgpu_benchmark_move(struct amdgpu_device *adev, unsigned size,
76 : unsigned sdomain, unsigned ddomain)
77 : {
78 0 : struct amdgpu_bo *dobj = NULL;
79 0 : struct amdgpu_bo *sobj = NULL;
80 : uint64_t saddr, daddr;
81 : s64 time_ms;
82 : int r, n;
83 :
84 0 : n = AMDGPU_BENCHMARK_ITERATIONS;
85 :
86 0 : r = amdgpu_bo_create_kernel(adev, size,
87 : PAGE_SIZE, sdomain,
88 : &sobj,
89 : &saddr,
90 : NULL);
91 0 : if (r)
92 : goto out_cleanup;
93 0 : r = amdgpu_bo_create_kernel(adev, size,
94 : PAGE_SIZE, ddomain,
95 : &dobj,
96 : &daddr,
97 : NULL);
98 0 : if (r)
99 : goto out_cleanup;
100 :
101 0 : if (adev->mman.buffer_funcs) {
102 0 : r = amdgpu_benchmark_do_move(adev, size, saddr, daddr, n, &time_ms);
103 0 : if (r)
104 : goto out_cleanup;
105 : else
106 0 : amdgpu_benchmark_log_results(adev, n, size, time_ms,
107 : sdomain, ddomain, "dma");
108 : }
109 :
110 : out_cleanup:
111 : /* Check error value now. The value can be overwritten when clean up.*/
112 0 : if (r < 0)
113 0 : dev_info(adev->dev, "Error while benchmarking BO move.\n");
114 :
115 0 : if (sobj)
116 0 : amdgpu_bo_free_kernel(&sobj, &saddr, NULL);
117 0 : if (dobj)
118 0 : amdgpu_bo_free_kernel(&dobj, &daddr, NULL);
119 0 : return r;
120 : }
121 :
122 0 : int 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 0 : mutex_lock(&adev->benchmark_mutex);
146 0 : switch (test_number) {
147 : case 1:
148 0 : 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 0 : r = amdgpu_benchmark_move(adev, 1024*1024, AMDGPU_GEM_DOMAIN_GTT,
153 : AMDGPU_GEM_DOMAIN_VRAM);
154 0 : if (r)
155 : goto done;
156 0 : 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 0 : dev_info(adev->dev,
163 : "benchmark test: %d (simple test, VRAM to VRAM)\n",
164 : test_number);
165 : /* simple test, VRAM to VRAM */
166 0 : 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 0 : 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 0 : for (i = 1; i <= 16384; i <<= 1) {
177 0 : r = amdgpu_benchmark_move(adev, i * AMDGPU_GPU_PAGE_SIZE,
178 : AMDGPU_GEM_DOMAIN_GTT,
179 : AMDGPU_GEM_DOMAIN_VRAM);
180 0 : if (r)
181 : goto done;
182 : }
183 : break;
184 : case 4:
185 0 : 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 0 : for (i = 1; i <= 16384; i <<= 1) {
190 0 : r = amdgpu_benchmark_move(adev, i * AMDGPU_GPU_PAGE_SIZE,
191 : AMDGPU_GEM_DOMAIN_VRAM,
192 : AMDGPU_GEM_DOMAIN_GTT);
193 0 : if (r)
194 : goto done;
195 : }
196 : break;
197 : case 5:
198 0 : 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 0 : for (i = 1; i <= 16384; i <<= 1) {
203 0 : r = amdgpu_benchmark_move(adev, i * AMDGPU_GPU_PAGE_SIZE,
204 : AMDGPU_GEM_DOMAIN_VRAM,
205 : AMDGPU_GEM_DOMAIN_VRAM);
206 0 : if (r)
207 : goto done;
208 : }
209 : break;
210 : case 6:
211 0 : 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 0 : for (i = 0; i < AMDGPU_BENCHMARK_COMMON_MODES_N; i++) {
216 0 : r = amdgpu_benchmark_move(adev, common_modes[i],
217 : AMDGPU_GEM_DOMAIN_GTT,
218 : AMDGPU_GEM_DOMAIN_VRAM);
219 0 : if (r)
220 : goto done;
221 : }
222 : break;
223 : case 7:
224 0 : 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 0 : for (i = 0; i < AMDGPU_BENCHMARK_COMMON_MODES_N; i++) {
229 0 : r = amdgpu_benchmark_move(adev, common_modes[i],
230 : AMDGPU_GEM_DOMAIN_VRAM,
231 : AMDGPU_GEM_DOMAIN_GTT);
232 0 : if (r)
233 : goto done;
234 : }
235 : break;
236 : case 8:
237 0 : 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 0 : for (i = 0; i < AMDGPU_BENCHMARK_COMMON_MODES_N; i++) {
242 0 : r = amdgpu_benchmark_move(adev, common_modes[i],
243 : AMDGPU_GEM_DOMAIN_VRAM,
244 : AMDGPU_GEM_DOMAIN_VRAM);
245 0 : if (r)
246 : goto done;
247 : }
248 : break;
249 :
250 : default:
251 0 : dev_info(adev->dev, "Unknown benchmark %d\n", test_number);
252 0 : r = -EINVAL;
253 0 : break;
254 : }
255 :
256 : done:
257 0 : mutex_unlock(&adev->benchmark_mutex);
258 :
259 0 : return r;
260 : }
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