src/gallium/drivers/radeon/r600_query.h

   1 /*
   2  * Copyright 2015 Advanced Micro Devices, Inc.
   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 (including the next
  12  * paragraph) shall be included in all copies or substantial portions of the
  13  * Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  18  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  20  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  21  * SOFTWARE.
  22  *
  23  * Authors:
  24  *  Nicolai Hähnle <nicolai.haehnle@amd.com>
  25  *
  26  */
  27
  28 #ifndef R600_QUERY_H
  29 #define R600_QUERY_H
  30
  31 #include "pipe/p_defines.h"
  32 #include "util/list.h"
  33
  34 struct pipe_context;
  35 struct pipe_query;
  36
  37 struct r600_common_context;
  38 struct r600_common_screen;
  39 struct r600_query;
  40 struct r600_query_hw;
  41 struct r600_resource;
  42
  43 enum {
  44         R600_QUERY_DRAW_CALLS = PIPE_QUERY_DRIVER_SPECIFIC,
  45         R600_QUERY_REQUESTED_VRAM,
  46         R600_QUERY_REQUESTED_GTT,
  47         R600_QUERY_BUFFER_WAIT_TIME,
  48         R600_QUERY_NUM_CS_FLUSHES,
  49         R600_QUERY_NUM_BYTES_MOVED,
  50         R600_QUERY_VRAM_USAGE,
  51         R600_QUERY_GTT_USAGE,
  52         R600_QUERY_GPU_TEMPERATURE,
  53         R600_QUERY_CURRENT_GPU_SCLK,
  54         R600_QUERY_CURRENT_GPU_MCLK,
  55         R600_QUERY_GPU_LOAD,
  56         R600_QUERY_NUM_COMPILATIONS,
  57         R600_QUERY_NUM_SHADERS_CREATED,
  58         R600_QUERY_GPIN_ASIC_ID,
  59         R600_QUERY_GPIN_NUM_SIMD,
  60         R600_QUERY_GPIN_NUM_RB,
  61         R600_QUERY_GPIN_NUM_SPI,
  62         R600_QUERY_GPIN_NUM_SE,
  63
  64         R600_QUERY_FIRST_PERFCOUNTER = PIPE_QUERY_DRIVER_SPECIFIC + 100,
  65 };
  66
  67 enum {
  68         R600_QUERY_GROUP_GPIN = 0,
  69         R600_NUM_SW_QUERY_GROUPS
  70 };
  71
  72 struct r600_query_ops {
  73         void (*destroy)(struct r600_common_context *, struct r600_query *);
  74         boolean (*begin)(struct r600_common_context *, struct r600_query *);
  75         bool (*end)(struct r600_common_context *, struct r600_query *);
  76         boolean (*get_result)(struct r600_common_context *,
  77                               struct r600_query *, boolean wait,
  78                               union pipe_query_result *result);
  79 };
  80
  81 struct r600_query {
  82         struct r600_query_ops *ops;
  83
  84         /* The type of query */
  85         unsigned type;
  86 };
  87
  88 enum {
  89         R600_QUERY_HW_FLAG_NO_START = (1 << 0),
  90         R600_QUERY_HW_FLAG_PREDICATE = (1 << 1),
  91 };
  92
  93 struct r600_query_hw_ops {
  94         bool (*prepare_buffer)(struct r600_common_context *,
  95                                struct r600_query_hw *,
  96                                struct r600_resource *);
  97         void (*emit_start)(struct r600_common_context *,
  98                            struct r600_query_hw *,
  99                            struct r600_resource *buffer, uint64_t va);
 100         void (*emit_stop)(struct r600_common_context *,
 101                           struct r600_query_hw *,
 102                           struct r600_resource *buffer, uint64_t va);
 103         void (*clear_result)(struct r600_query_hw *, union pipe_query_result *);
 104         void (*add_result)(struct r600_common_context *ctx,
 105                            struct r600_query_hw *, void *buffer,
 106                            union pipe_query_result *result);
 107 };
 108
 109 struct r600_query_buffer {
 110         /* The buffer where query results are stored. */
 111         struct r600_resource            *buf;
 112         /* Offset of the next free result after current query data */
 113         unsigned                        results_end;
 114         /* If a query buffer is full, a new buffer is created and the old one
 115          * is put in here. When we calculate the result, we sum up the samples
 116          * from all buffers. */
 117         struct r600_query_buffer        *previous;
 118 };
 119
 120 struct r600_query_hw {
 121         struct r600_query b;
 122         struct r600_query_hw_ops *ops;
 123         unsigned flags;
 124
 125         /* The query buffer and how many results are in it. */
 126         struct r600_query_buffer buffer;
 127         /* Size of the result in memory for both begin_query and end_query,
 128          * this can be one or two numbers, or it could even be a size of a structure. */
 129         unsigned result_size;
 130         /* The number of dwords for begin_query or end_query. */
 131         unsigned num_cs_dw_begin;
 132         unsigned num_cs_dw_end;
 133         /* Linked list of queries */
 134         struct list_head list;
 135         /* For transform feedback: which stream the query is for */
 136         unsigned stream;
 137 };
 138
 139 boolean r600_query_hw_init(struct r600_common_context *rctx,
 140                            struct r600_query_hw *query);
 141 void r600_query_hw_destroy(struct r600_common_context *rctx,
 142                            struct r600_query *rquery);
 143 boolean r600_query_hw_begin(struct r600_common_context *rctx,
 144                             struct r600_query *rquery);
 145 bool r600_query_hw_end(struct r600_common_context *rctx,
 146                        struct r600_query *rquery);
 147 boolean r600_query_hw_get_result(struct r600_common_context *rctx,
 148                                  struct r600_query *rquery,
 149                                  boolean wait,
 150                                  union pipe_query_result *result);
 151
 152 /* Performance counters */
 153 enum {
 154         /* This block is part of the shader engine */
 155         R600_PC_BLOCK_SE = (1 << 0),
 156
 157         /* Expose per-instance groups instead of summing all instances (within
 158          * an SE). */
 159         R600_PC_BLOCK_INSTANCE_GROUPS = (1 << 1),
 160
 161         /* Expose per-SE groups instead of summing instances across SEs. */
 162         R600_PC_BLOCK_SE_GROUPS = (1 << 2),
 163
 164         /* Shader block */
 165         R600_PC_BLOCK_SHADER = (1 << 3),
 166
 167         /* Non-shader block with perfcounters windowed by shaders. */
 168         R600_PC_BLOCK_SHADER_WINDOWED = (1 << 4),
 169 };
 170
 171 /* Describes a hardware block with performance counters. Multiple instances of
 172  * each block, possibly per-SE, may exist on the chip. Depending on the block
 173  * and on the user's configuration, we either
 174  *  (a) expose every instance as a performance counter group,
 175  *  (b) expose a single performance counter group that reports the sum over all
 176  *      instances, or
 177  *  (c) expose one performance counter group per instance, but summed over all
 178  *      shader engines.
 179  */
 180 struct r600_perfcounter_block {
 181         const char *basename;
 182         unsigned flags;
 183         unsigned num_counters;
 184         unsigned num_selectors;
 185         unsigned num_instances;
 186
 187         unsigned num_groups;
 188         char *group_names;
 189         unsigned group_name_stride;
 190
 191         char *selector_names;
 192         unsigned selector_name_stride;
 193
 194         void *data;
 195 };
 196
 197 struct r600_perfcounters {
 198         unsigned num_groups;
 199         unsigned num_blocks;
 200         struct r600_perfcounter_block *blocks;
 201
 202         unsigned num_start_cs_dwords;
 203         unsigned num_stop_cs_dwords;
 204         unsigned num_instance_cs_dwords;
 205         unsigned num_shaders_cs_dwords;
 206
 207         unsigned num_shader_types;
 208         const char * const *shader_type_suffixes;
 209         const unsigned *shader_type_bits;
 210
 211         void (*get_size)(struct r600_perfcounter_block *,
 212                          unsigned count, unsigned *selectors,
 213                          unsigned *num_select_dw, unsigned *num_read_dw);
 214
 215         void (*emit_instance)(struct r600_common_context *,
 216                               int se, int instance);
 217         void (*emit_shaders)(struct r600_common_context *, unsigned shaders);
 218         void (*emit_select)(struct r600_common_context *,
 219                             struct r600_perfcounter_block *,
 220                             unsigned count, unsigned *selectors);
 221         void (*emit_start)(struct r600_common_context *,
 222                           struct r600_resource *buffer, uint64_t va);
 223         void (*emit_stop)(struct r600_common_context *,
 224                           struct r600_resource *buffer, uint64_t va);
 225         void (*emit_read)(struct r600_common_context *,
 226                           struct r600_perfcounter_block *,
 227                           unsigned count, unsigned *selectors,
 228                           struct r600_resource *buffer, uint64_t va);
 229
 230         void (*cleanup)(struct r600_common_screen *);
 231
 232         boolean separate_se;
 233         boolean separate_instance;
 234 };
 235
 236 struct pipe_query *r600_create_batch_query(struct pipe_context *ctx,
 237                                            unsigned num_queries,
 238                                            unsigned *query_types);
 239
 240 int r600_get_perfcounter_info(struct r600_common_screen *,
 241                               unsigned index,
 242                               struct pipe_driver_query_info *info);
 243 int r600_get_perfcounter_group_info(struct r600_common_screen *,
 244                                     unsigned index,
 245                                     struct pipe_driver_query_group_info *info);
 246
 247 boolean r600_perfcounters_init(struct r600_perfcounters *, unsigned num_blocks);
 248 void r600_perfcounters_add_block(struct r600_common_screen *,
 249                                  struct r600_perfcounters *,
 250                                  const char *name, unsigned flags,
 251                                  unsigned counters, unsigned selectors,
 252                                  unsigned instances, void *data);
 253 void r600_perfcounters_do_destroy(struct r600_perfcounters *);
 254
 255 #endif /* R600_QUERY_H */