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_SPILL_DRAW_CALLS,
  46         R600_QUERY_COMPUTE_CALLS,
  47         R600_QUERY_SPILL_COMPUTE_CALLS,
  48         R600_QUERY_DMA_CALLS,
  49         R600_QUERY_REQUESTED_VRAM,
  50         R600_QUERY_REQUESTED_GTT,
  51         R600_QUERY_BUFFER_WAIT_TIME,
  52         R600_QUERY_NUM_CS_FLUSHES,
  53         R600_QUERY_NUM_BYTES_MOVED,
  54         R600_QUERY_VRAM_USAGE,
  55         R600_QUERY_GTT_USAGE,
  56         R600_QUERY_GPU_TEMPERATURE,
  57         R600_QUERY_CURRENT_GPU_SCLK,
  58         R600_QUERY_CURRENT_GPU_MCLK,
  59         R600_QUERY_GPU_LOAD,
  60         R600_QUERY_NUM_COMPILATIONS,
  61         R600_QUERY_NUM_SHADERS_CREATED,
  62         R600_QUERY_GPIN_ASIC_ID,
  63         R600_QUERY_GPIN_NUM_SIMD,
  64         R600_QUERY_GPIN_NUM_RB,
  65         R600_QUERY_GPIN_NUM_SPI,
  66         R600_QUERY_GPIN_NUM_SE,
  67
  68         R600_QUERY_FIRST_PERFCOUNTER = PIPE_QUERY_DRIVER_SPECIFIC + 100,
  69 };
  70
  71 enum {
  72         R600_QUERY_GROUP_GPIN = 0,
  73         R600_NUM_SW_QUERY_GROUPS
  74 };
  75
  76 struct r600_query_ops {
  77         void (*destroy)(struct r600_common_context *, struct r600_query *);
  78         boolean (*begin)(struct r600_common_context *, struct r600_query *);
  79         bool (*end)(struct r600_common_context *, struct r600_query *);
  80         boolean (*get_result)(struct r600_common_context *,
  81                               struct r600_query *, boolean wait,
  82                               union pipe_query_result *result);
  83 };
  84
  85 struct r600_query {
  86         struct r600_query_ops *ops;
  87
  88         /* The type of query */
  89         unsigned type;
  90 };
  91
  92 enum {
  93         R600_QUERY_HW_FLAG_NO_START = (1 << 0),
  94         R600_QUERY_HW_FLAG_PREDICATE = (1 << 1),
  95 };
  96
  97 struct r600_query_hw_ops {
  98         bool (*prepare_buffer)(struct r600_common_context *,
  99                                struct r600_query_hw *,
 100                                struct r600_resource *);
 101         void (*emit_start)(struct r600_common_context *,
 102                            struct r600_query_hw *,
 103                            struct r600_resource *buffer, uint64_t va);
 104         void (*emit_stop)(struct r600_common_context *,
 105                           struct r600_query_hw *,
 106                           struct r600_resource *buffer, uint64_t va);
 107         void (*clear_result)(struct r600_query_hw *, union pipe_query_result *);
 108         void (*add_result)(struct r600_common_context *ctx,
 109                            struct r600_query_hw *, void *buffer,
 110                            union pipe_query_result *result);
 111 };
 112
 113 struct r600_query_buffer {
 114         /* The buffer where query results are stored. */
 115         struct r600_resource            *buf;
 116         /* Offset of the next free result after current query data */
 117         unsigned                        results_end;
 118         /* If a query buffer is full, a new buffer is created and the old one
 119          * is put in here. When we calculate the result, we sum up the samples
 120          * from all buffers. */
 121         struct r600_query_buffer        *previous;
 122 };
 123
 124 struct r600_query_hw {
 125         struct r600_query b;
 126         struct r600_query_hw_ops *ops;
 127         unsigned flags;
 128
 129         /* The query buffer and how many results are in it. */
 130         struct r600_query_buffer buffer;
 131         /* Size of the result in memory for both begin_query and end_query,
 132          * this can be one or two numbers, or it could even be a size of a structure. */
 133         unsigned result_size;
 134         /* The number of dwords for begin_query or end_query. */
 135         unsigned num_cs_dw_begin;
 136         unsigned num_cs_dw_end;
 137         /* Linked list of queries */
 138         struct list_head list;
 139         /* For transform feedback: which stream the query is for */
 140         unsigned stream;
 141 };
 142
 143 boolean r600_query_hw_init(struct r600_common_context *rctx,
 144                            struct r600_query_hw *query);
 145 void r600_query_hw_destroy(struct r600_common_context *rctx,
 146                            struct r600_query *rquery);
 147 boolean r600_query_hw_begin(struct r600_common_context *rctx,
 148                             struct r600_query *rquery);
 149 bool r600_query_hw_end(struct r600_common_context *rctx,
 150                        struct r600_query *rquery);
 151 boolean r600_query_hw_get_result(struct r600_common_context *rctx,
 152                                  struct r600_query *rquery,
 153                                  boolean wait,
 154                                  union pipe_query_result *result);
 155
 156 /* Performance counters */
 157 enum {
 158         /* This block is part of the shader engine */
 159         R600_PC_BLOCK_SE = (1 << 0),
 160
 161         /* Expose per-instance groups instead of summing all instances (within
 162          * an SE). */
 163         R600_PC_BLOCK_INSTANCE_GROUPS = (1 << 1),
 164
 165         /* Expose per-SE groups instead of summing instances across SEs. */
 166         R600_PC_BLOCK_SE_GROUPS = (1 << 2),
 167
 168         /* Shader block */
 169         R600_PC_BLOCK_SHADER = (1 << 3),
 170
 171         /* Non-shader block with perfcounters windowed by shaders. */
 172         R600_PC_BLOCK_SHADER_WINDOWED = (1 << 4),
 173 };
 174
 175 /* Describes a hardware block with performance counters. Multiple instances of
 176  * each block, possibly per-SE, may exist on the chip. Depending on the block
 177  * and on the user's configuration, we either
 178  *  (a) expose every instance as a performance counter group,
 179  *  (b) expose a single performance counter group that reports the sum over all
 180  *      instances, or
 181  *  (c) expose one performance counter group per instance, but summed over all
 182  *      shader engines.
 183  */
 184 struct r600_perfcounter_block {
 185         const char *basename;
 186         unsigned flags;
 187         unsigned num_counters;
 188         unsigned num_selectors;
 189         unsigned num_instances;
 190
 191         unsigned num_groups;
 192         char *group_names;
 193         unsigned group_name_stride;
 194
 195         char *selector_names;
 196         unsigned selector_name_stride;
 197
 198         void *data;
 199 };
 200
 201 struct r600_perfcounters {
 202         unsigned num_groups;
 203         unsigned num_blocks;
 204         struct r600_perfcounter_block *blocks;
 205
 206         unsigned num_start_cs_dwords;
 207         unsigned num_stop_cs_dwords;
 208         unsigned num_instance_cs_dwords;
 209         unsigned num_shaders_cs_dwords;
 210
 211         unsigned num_shader_types;
 212         const char * const *shader_type_suffixes;
 213         const unsigned *shader_type_bits;
 214
 215         void (*get_size)(struct r600_perfcounter_block *,
 216                          unsigned count, unsigned *selectors,
 217                          unsigned *num_select_dw, unsigned *num_read_dw);
 218
 219         void (*emit_instance)(struct r600_common_context *,
 220                               int se, int instance);
 221         void (*emit_shaders)(struct r600_common_context *, unsigned shaders);
 222         void (*emit_select)(struct r600_common_context *,
 223                             struct r600_perfcounter_block *,
 224                             unsigned count, unsigned *selectors);
 225         void (*emit_start)(struct r600_common_context *,
 226                           struct r600_resource *buffer, uint64_t va);
 227         void (*emit_stop)(struct r600_common_context *,
 228                           struct r600_resource *buffer, uint64_t va);
 229         void (*emit_read)(struct r600_common_context *,
 230                           struct r600_perfcounter_block *,
 231                           unsigned count, unsigned *selectors,
 232                           struct r600_resource *buffer, uint64_t va);
 233
 234         void (*cleanup)(struct r600_common_screen *);
 235
 236         boolean separate_se;
 237         boolean separate_instance;
 238 };
 239
 240 struct pipe_query *r600_create_batch_query(struct pipe_context *ctx,
 241                                            unsigned num_queries,
 242                                            unsigned *query_types);
 243
 244 int r600_get_perfcounter_info(struct r600_common_screen *,
 245                               unsigned index,
 246                               struct pipe_driver_query_info *info);
 247 int r600_get_perfcounter_group_info(struct r600_common_screen *,
 248                                     unsigned index,
 249                                     struct pipe_driver_query_group_info *info);
 250
 251 boolean r600_perfcounters_init(struct r600_perfcounters *, unsigned num_blocks);
 252 void r600_perfcounters_add_block(struct r600_common_screen *,
 253                                  struct r600_perfcounters *,
 254                                  const char *name, unsigned flags,
 255                                  unsigned counters, unsigned selectors,
 256                                  unsigned instances, void *data);
 257 void r600_perfcounters_do_destroy(struct r600_perfcounters *);
 258
 259 #endif /* R600_QUERY_H */