git.cworth.org Git - fips/blob - metrics-info.c

   1 /* Copyright © 2013, Intel Corporation
   2  *
   3  * Permission is hereby granted, free of charge, to any person obtaining a copy
   4  * of this software and associated documentation files (the "Software"), to deal
   5  * in the Software without restriction, including without limitation the rights
   6  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
   7  * copies of the Software, and to permit persons to whom the Software is
   8  * furnished to do so, subject to the following conditions:
   9  *
  10  * The above copyright notice and this permission notice shall be included in
  11  * all copies or substantial portions of the Software.
  12  *
  13  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  14  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  15  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  16  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  17  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  18  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  19  * THE SOFTWARE.
  20  */
  21
  22 #include "metrics-info.h"
  23
  24 #include "xmalloc.h"
  25
  26 static void
  27 metrics_group_info_init (metrics_group_info_t *group, GLuint id)
  28 {
  29         GLsizei length;
  30         unsigned i;
  31
  32         group->id = id;
  33
  34         /* Get name */
  35         glGetPerfMonitorGroupStringAMD (id, 0, &length, NULL);
  36
  37         group->name = xmalloc (length + 1);
  38
  39         glGetPerfMonitorGroupStringAMD (id, length + 1, NULL, group->name);
  40
  41         /* Get number of counters */
  42         group->num_counters = 0;
  43         group->max_active_counters = 0;
  44         glGetPerfMonitorCountersAMD (group->id,
  45                                      (int *) &group->num_counters,
  46                                      (int *) &group->max_active_counters,
  47                                      0, NULL);
  48
  49         /* Get counter numbers */
  50         group->counter_ids = xmalloc (group->num_counters * sizeof (GLuint));
  51
  52         glGetPerfMonitorCountersAMD (group->id, NULL, NULL,
  53                                      group->num_counters,
  54                                      group->counter_ids);
  55
  56         /* Get counter names */
  57         group->counter_names = xmalloc (group->num_counters * sizeof (char *));
  58         group->counter_types = xmalloc (group->num_counters * sizeof (GLuint));
  59
  60         for (i = 0; i < group->num_counters; i++) {
  61                 glGetPerfMonitorCounterInfoAMD (group->id,
  62                                                 group->counter_ids[i],
  63                                                 GL_COUNTER_TYPE_AMD,
  64                                                 &group->counter_types[i]);
  65
  66                 glGetPerfMonitorCounterStringAMD (group->id,
  67                                                   group->counter_ids[i],
  68                                                   0, &length, NULL);
  69
  70                 group->counter_names[i] = xmalloc (length + 1);
  71
  72                 glGetPerfMonitorCounterStringAMD (group->id,
  73                                                   group->counter_ids[i],
  74                                                   length + 1, NULL,
  75                                                   group->counter_names[i]);
  76         }
  77 }
  78
  79 static void
  80 metrics_group_info_fini (metrics_group_info_t *group)
  81 {
  82         unsigned i;
  83
  84         for (i = 0; i < group->num_counters; i++)
  85                 free (group->counter_names[i]);
  86
  87         free (group->counter_types);
  88         free (group->counter_names);
  89         free (group->counter_ids);
  90
  91         free (group->name);
  92 }
  93
  94 /* A helper function, part of metrics_info_init below. */
  95
  96 typedef enum {
  97         SHADER_ACTIVE,
  98         SHADER_STALL
  99 } shader_phase_t;
 100
 101 static void
 102 _add_shader_stage (metrics_info_t *info, const char *name,
 103                    GLuint group_index, GLuint counter_index,
 104                    shader_phase_t phase)
 105 {
 106         shader_stage_info_t *stage;
 107         char *stage_name, *space;
 108         unsigned i;
 109
 110         stage_name = xstrdup (name);
 111
 112         /* Terminate the stage name at the first space.
 113          *
 114          * This is valid for counter names such as:
 115          *
 116          *      "Vertex Shader Active Time"
 117          * or
 118          *      "Vertex Shader Stall Time - Core Stall"
 119          */
 120         space = strchr (stage_name, ' ');
 121         if (space)
 122                 *space = '\0';
 123
 124         /* Look for an existing stage of the given name. */
 125         stage = NULL;
 126
 127         for (i = 0; i < info->num_shader_stages; i++) {
 128                 if (strcmp (info->stages[i].name, stage_name) == 0) {
 129                         stage = &info->stages[i];
 130                         break;
 131                 }
 132         }
 133
 134         if (stage == NULL) {
 135                 info->num_shader_stages++;
 136                 info->stages = xrealloc (info->stages,
 137                                          info->num_shader_stages *
 138                                          sizeof (shader_stage_info_t));
 139                 stage = &info->stages[info->num_shader_stages - 1];
 140                 stage->name = xstrdup (stage_name);
 141                 stage->active_group_index = 0;
 142                 stage->active_counter_index = 0;
 143                 stage->stall_group_index = 0;
 144                 stage->stall_counter_index = 0;
 145         }
 146
 147         if (phase == SHADER_ACTIVE) {
 148                 stage->active_group_index = group_index;
 149                 stage->active_counter_index = counter_index;
 150         } else {
 151                 stage->stall_group_index = group_index;
 152                 stage->stall_counter_index = counter_index;
 153         }
 154
 155         free (stage_name);
 156 }
 157
 158 void
 159 metrics_info_init (metrics_info_t *info)
 160 {
 161         unsigned i, j;
 162         GLuint *group_ids;
 163
 164         glGetPerfMonitorGroupsAMD ((int *) &info->num_groups, 0, NULL);
 165
 166         group_ids = xmalloc (info->num_groups * sizeof (GLuint));
 167
 168         glGetPerfMonitorGroupsAMD (NULL, info->num_groups, group_ids);
 169
 170         info->groups = xmalloc (info->num_groups * sizeof (metrics_group_info_t));
 171
 172         for (i = 0; i < info->num_groups; i++)
 173                 metrics_group_info_init (&info->groups[i], group_ids[i]);
 174
 175         free (group_ids);
 176
 177         /* Identify each shader stage (by looking at
 178          * performance-counter names for specific patterns) and
 179          * initialize structures referring to the corresponding
 180          * counter numbers for each stage. */
 181         info->num_shader_stages = 0;
 182         info->stages = NULL;
 183
 184         for (i = 0; i < info->num_groups; i++) {
 185                 metrics_group_info_t *group = &info->groups[i];
 186                 for (j = 0; j < group->num_counters; j++) {
 187                         char *name = group->counter_names[j];
 188                         if (strstr (name, "Shader Active Time")) {
 189                                 _add_shader_stage (info, name, i, j,
 190                                                    SHADER_ACTIVE);
 191                         }
 192                         if (strstr (name, "Shader Stall Time")) {
 193                                 _add_shader_stage (info, name, i, j,
 194                                                    SHADER_STALL);
 195                         }
 196                 }
 197         }
 198
 199         info->initialized = 1;
 200 }
 201
 202 void
 203 metrics_info_fini (metrics_info_t *info)
 204 {
 205         unsigned i;
 206         if (! info->initialized)
 207                 return;
 208
 209         for (i = 0; i < info->num_groups; i++)
 210                 metrics_group_info_fini (&info->groups[i]);
 211
 212         free (info->groups);
 213         info->groups = NULL;
 214
 215         for (i = 0; i < info->num_shader_stages; i++)
 216                 free (info->stages[i].name);
 217
 218         free (info->stages);
 219         info->stages = NULL;
 220
 221         info->initialized = 0;
 222 }