1 /*
2 * Copyright © 2019 Intel Corporation
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
12 * in all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
15 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
19 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
20 * DEALINGS IN THE SOFTWARE.
21 */
22
23 #include "iris_monitor.h"
24
25 #include <xf86drm.h>
26
27 #include "iris_screen.h"
28 #include "iris_context.h"
29 #include "iris_perf.h"
30
31 struct iris_monitor_object {
32 int num_active_counters;
33 int *active_counters;
34
35 size_t result_size;
36 unsigned char *result_buffer;
37
38 struct gen_perf_query_object *query;
39 };
40
41 int
iris_get_monitor_info(struct pipe_screen * pscreen,unsigned index,struct pipe_driver_query_info * info)42 iris_get_monitor_info(struct pipe_screen *pscreen, unsigned index,
43 struct pipe_driver_query_info *info)
44 {
45 const struct iris_screen *screen = (struct iris_screen *)pscreen;
46 const struct gen_perf_config *perf_cfg = screen->perf_cfg;
47 assert(perf_cfg);
48 if (!perf_cfg)
49 return 0;
50
51 if (!info) {
52 /* return the number of metrics */
53 return perf_cfg->n_counters;
54 }
55
56 struct gen_perf_query_counter_info *counter_info = &perf_cfg->counter_infos[index];
57 struct gen_perf_query_counter *counter = counter_info->counter;
58
59 info->group_id = counter_info->location.group_idx;
60 info->name = counter->name;
61 info->query_type = PIPE_QUERY_DRIVER_SPECIFIC + index;
62
63 if (counter->type == GEN_PERF_COUNTER_TYPE_THROUGHPUT)
64 info->result_type = PIPE_DRIVER_QUERY_RESULT_TYPE_AVERAGE;
65 else
66 info->result_type = PIPE_DRIVER_QUERY_RESULT_TYPE_CUMULATIVE;
67 switch (counter->data_type) {
68 case GEN_PERF_COUNTER_DATA_TYPE_BOOL32:
69 case GEN_PERF_COUNTER_DATA_TYPE_UINT32:
70 info->type = PIPE_DRIVER_QUERY_TYPE_UINT;
71 assert(counter->raw_max <= UINT32_MAX);
72 info->max_value.u32 = (uint32_t)counter->raw_max;
73 break;
74 case GEN_PERF_COUNTER_DATA_TYPE_UINT64:
75 info->type = PIPE_DRIVER_QUERY_TYPE_UINT64;
76 info->max_value.u64 = counter->raw_max;
77 break;
78 case GEN_PERF_COUNTER_DATA_TYPE_FLOAT:
79 case GEN_PERF_COUNTER_DATA_TYPE_DOUBLE:
80 info->type = PIPE_DRIVER_QUERY_TYPE_FLOAT;
81 info->max_value.f = counter->raw_max;
82 break;
83 default:
84 assert(false);
85 break;
86 }
87
88 /* indicates that this is an OA query, not a pipeline statistics query */
89 info->flags = PIPE_DRIVER_QUERY_FLAG_BATCH;
90 return 1;
91 }
92
93 static bool
iris_monitor_init_metrics(struct iris_screen * screen)94 iris_monitor_init_metrics(struct iris_screen *screen)
95 {
96 struct gen_perf_config *perf_cfg = gen_perf_new(screen);
97 if (unlikely(!perf_cfg))
98 return false;
99
100 screen->perf_cfg = perf_cfg;
101
102 iris_perf_init_vtbl(perf_cfg);
103
104 gen_perf_init_metrics(perf_cfg, &screen->devinfo, screen->fd,
105 true /* pipeline stats*/);
106
107 return perf_cfg->n_counters > 0;
108 }
109
110 int
iris_get_monitor_group_info(struct pipe_screen * pscreen,unsigned group_index,struct pipe_driver_query_group_info * info)111 iris_get_monitor_group_info(struct pipe_screen *pscreen,
112 unsigned group_index,
113 struct pipe_driver_query_group_info *info)
114 {
115 struct iris_screen *screen = (struct iris_screen *)pscreen;
116 if (!screen->perf_cfg) {
117 if (!iris_monitor_init_metrics(screen))
118 return 0;
119 }
120
121 const struct gen_perf_config *perf_cfg = screen->perf_cfg;
122
123 if (!info) {
124 /* return the count that can be queried */
125 return perf_cfg->n_queries;
126 }
127
128 if (group_index >= perf_cfg->n_queries) {
129 /* out of range */
130 return 0;
131 }
132
133 struct gen_perf_query_info *query = &perf_cfg->queries[group_index];
134
135 info->name = query->name;
136 info->max_active_queries = query->n_counters;
137 info->num_queries = query->n_counters;
138
139 return 1;
140 }
141
142 static void
iris_init_monitor_ctx(struct iris_context * ice)143 iris_init_monitor_ctx(struct iris_context *ice)
144 {
145 struct iris_screen *screen = (struct iris_screen *) ice->ctx.screen;
146
147 ice->perf_ctx = gen_perf_new_context(ice);
148 if (unlikely(!ice->perf_ctx))
149 return;
150
151 struct gen_perf_context *perf_ctx = ice->perf_ctx;
152 struct gen_perf_config *perf_cfg = screen->perf_cfg;
153 gen_perf_init_context(perf_ctx,
154 perf_cfg,
155 ice,
156 screen->bufmgr,
157 &screen->devinfo,
158 ice->batches[IRIS_BATCH_RENDER].hw_ctx_id,
159 screen->fd);
160 }
161
162 /* entry point for GenPerfMonitorsAMD */
163 struct iris_monitor_object *
iris_create_monitor_object(struct iris_context * ice,unsigned num_queries,unsigned * query_types)164 iris_create_monitor_object(struct iris_context *ice,
165 unsigned num_queries,
166 unsigned *query_types)
167 {
168 struct iris_screen *screen = (struct iris_screen *) ice->ctx.screen;
169 struct gen_perf_config *perf_cfg = screen->perf_cfg;
170 struct gen_perf_query_object *query_obj = NULL;
171
172 /* initialize perf context if this has not already been done. This
173 * function is the first entry point that carries the gl context.
174 */
175 if (ice->perf_ctx == NULL) {
176 iris_init_monitor_ctx(ice);
177 }
178 struct gen_perf_context *perf_ctx = ice->perf_ctx;
179
180 assert(num_queries > 0);
181 int query_index = query_types[0] - PIPE_QUERY_DRIVER_SPECIFIC;
182 assert(query_index <= perf_cfg->n_counters);
183 const int group = perf_cfg->counter_infos[query_index].location.group_idx;
184
185 struct iris_monitor_object *monitor =
186 calloc(1, sizeof(struct iris_monitor_object));
187 if (unlikely(!monitor))
188 goto allocation_failure;
189
190 monitor->num_active_counters = num_queries;
191 monitor->active_counters = calloc(num_queries, sizeof(int));
192 if (unlikely(!monitor->active_counters))
193 goto allocation_failure;
194
195 for (int i = 0; i < num_queries; ++i) {
196 unsigned current_query = query_types[i];
197 unsigned current_query_index = current_query - PIPE_QUERY_DRIVER_SPECIFIC;
198
199 /* all queries must be in the same group */
200 assert(current_query_index <= perf_cfg->n_counters);
201 assert(perf_cfg->counter_infos[current_query_index].location.group_idx == group);
202 monitor->active_counters[i] =
203 perf_cfg->counter_infos[current_query_index].location.counter_idx;
204 }
205
206 /* create the gen_perf_query */
207 query_obj = gen_perf_new_query(perf_ctx, group);
208 if (unlikely(!query_obj))
209 goto allocation_failure;
210
211 monitor->query = query_obj;
212 monitor->result_size = perf_cfg->queries[group].data_size;
213 monitor->result_buffer = calloc(1, monitor->result_size);
214 if (unlikely(!monitor->result_buffer))
215 goto allocation_failure;
216
217 return monitor;
218
219 allocation_failure:
220 if (monitor) {
221 free(monitor->active_counters);
222 free(monitor->result_buffer);
223 }
224 free(query_obj);
225 free(monitor);
226 return NULL;
227 }
228
229 void
iris_destroy_monitor_object(struct pipe_context * ctx,struct iris_monitor_object * monitor)230 iris_destroy_monitor_object(struct pipe_context *ctx,
231 struct iris_monitor_object *monitor)
232 {
233 struct iris_context *ice = (struct iris_context *)ctx;
234
235 gen_perf_delete_query(ice->perf_ctx, monitor->query);
236 free(monitor->result_buffer);
237 monitor->result_buffer = NULL;
238 free(monitor->active_counters);
239 monitor->active_counters = NULL;
240 free(monitor);
241 }
242
243 bool
iris_begin_monitor(struct pipe_context * ctx,struct iris_monitor_object * monitor)244 iris_begin_monitor(struct pipe_context *ctx,
245 struct iris_monitor_object *monitor)
246 {
247 struct iris_context *ice = (void *) ctx;
248 struct gen_perf_context *perf_ctx = ice->perf_ctx;
249
250 return gen_perf_begin_query(perf_ctx, monitor->query);
251 }
252
253 bool
iris_end_monitor(struct pipe_context * ctx,struct iris_monitor_object * monitor)254 iris_end_monitor(struct pipe_context *ctx,
255 struct iris_monitor_object *monitor)
256 {
257 struct iris_context *ice = (void *) ctx;
258 struct gen_perf_context *perf_ctx = ice->perf_ctx;
259
260 gen_perf_end_query(perf_ctx, monitor->query);
261 return true;
262 }
263
264 bool
iris_get_monitor_result(struct pipe_context * ctx,struct iris_monitor_object * monitor,bool wait,union pipe_numeric_type_union * result)265 iris_get_monitor_result(struct pipe_context *ctx,
266 struct iris_monitor_object *monitor,
267 bool wait,
268 union pipe_numeric_type_union *result)
269 {
270 struct iris_context *ice = (void *) ctx;
271 struct gen_perf_context *perf_ctx = ice->perf_ctx;
272 struct iris_batch *batch = &ice->batches[IRIS_BATCH_RENDER];
273
274 bool monitor_ready =
275 gen_perf_is_query_ready(perf_ctx, monitor->query, batch);
276
277 if (!monitor_ready) {
278 if (!wait)
279 return false;
280 gen_perf_wait_query(perf_ctx, monitor->query, batch);
281 }
282
283 assert(gen_perf_is_query_ready(perf_ctx, monitor->query, batch));
284
285 unsigned bytes_written;
286 gen_perf_get_query_data(perf_ctx, monitor->query, batch,
287 monitor->result_size,
288 (unsigned*) monitor->result_buffer,
289 &bytes_written);
290 if (bytes_written != monitor->result_size)
291 return false;
292
293 /* copy metrics into the batch result */
294 for (int i = 0; i < monitor->num_active_counters; ++i) {
295 int current_counter = monitor->active_counters[i];
296 const struct gen_perf_query_info *info =
297 gen_perf_query_info(monitor->query);
298 const struct gen_perf_query_counter *counter =
299 &info->counters[current_counter];
300 assert(gen_perf_query_counter_get_size(counter));
301 switch (counter->data_type) {
302 case GEN_PERF_COUNTER_DATA_TYPE_UINT64:
303 result[i].u64 = *(uint64_t*)(monitor->result_buffer + counter->offset);
304 break;
305 case GEN_PERF_COUNTER_DATA_TYPE_FLOAT:
306 result[i].f = *(float*)(monitor->result_buffer + counter->offset);
307 break;
308 case GEN_PERF_COUNTER_DATA_TYPE_UINT32:
309 case GEN_PERF_COUNTER_DATA_TYPE_BOOL32:
310 result[i].u64 = *(uint32_t*)(monitor->result_buffer + counter->offset);
311 break;
312 case GEN_PERF_COUNTER_DATA_TYPE_DOUBLE: {
313 double v = *(double*)(monitor->result_buffer + counter->offset);
314 result[i].f = v;
315 break;
316 }
317 default:
318 unreachable("unexpected counter data type");
319 }
320 }
321 return true;
322 }
323