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 "pipe/p_state.h"
  33 #include "util/list.h"
  34
  35 struct pipe_context;
  36 struct pipe_query;
  37 struct pipe_resource;
  38
  39 struct r600_common_context;
  40 struct r600_common_screen;
  41 struct r600_query;
  42 struct r600_query_hw;
  43 struct r600_resource;
  44
  45 enum {
  46         R600_QUERY_DRAW_CALLS = PIPE_QUERY_DRIVER_SPECIFIC,
  47         R600_QUERY_SPILL_DRAW_CALLS,
  48         R600_QUERY_COMPUTE_CALLS,
  49         R600_QUERY_SPILL_COMPUTE_CALLS,
  50         R600_QUERY_DMA_CALLS,
  51         R600_QUERY_CP_DMA_CALLS,
  52         R600_QUERY_NUM_VS_FLUSHES,
  53         R600_QUERY_NUM_PS_FLUSHES,
  54         R600_QUERY_NUM_CS_FLUSHES,
  55         R600_QUERY_REQUESTED_VRAM,
  56         R600_QUERY_REQUESTED_GTT,
  57         R600_QUERY_MAPPED_VRAM,
  58         R600_QUERY_MAPPED_GTT,
  59         R600_QUERY_BUFFER_WAIT_TIME,
  60         R600_QUERY_NUM_CTX_FLUSHES,
  61         R600_QUERY_NUM_BYTES_MOVED,
  62         R600_QUERY_NUM_EVICTIONS,
  63         R600_QUERY_VRAM_USAGE,
  64         R600_QUERY_GTT_USAGE,
  65         R600_QUERY_GPU_TEMPERATURE,
  66         R600_QUERY_CURRENT_GPU_SCLK,
  67         R600_QUERY_CURRENT_GPU_MCLK,
  68         R600_QUERY_GPU_LOAD,
  69         R600_QUERY_NUM_COMPILATIONS,
  70         R600_QUERY_NUM_SHADERS_CREATED,
  71         R600_QUERY_BACK_BUFFER_PS_DRAW_RATIO,
  72         R600_QUERY_NUM_SHADER_CACHE_HITS,
  73         R600_QUERY_GPIN_ASIC_ID,
  74         R600_QUERY_GPIN_NUM_SIMD,
  75         R600_QUERY_GPIN_NUM_RB,
  76         R600_QUERY_GPIN_NUM_SPI,
  77         R600_QUERY_GPIN_NUM_SE,
  78
  79         R600_QUERY_FIRST_PERFCOUNTER = PIPE_QUERY_DRIVER_SPECIFIC + 100,
  80 };
  81
  82 enum {
  83         R600_QUERY_GROUP_GPIN = 0,
  84         R600_NUM_SW_QUERY_GROUPS
  85 };
  86
  87 struct r600_query_ops {
  88         void (*destroy)(struct r600_common_context *, struct r600_query *);
  89         bool (*begin)(struct r600_common_context *, struct r600_query *);
  90         bool (*end)(struct r600_common_context *, struct r600_query *);
  91         bool (*get_result)(struct r600_common_context *,
  92                            struct r600_query *, bool wait,
  93                            union pipe_query_result *result);
  94         void (*get_result_resource)(struct r600_common_context *,
  95                                     struct r600_query *, bool wait,
  96                                     enum pipe_query_value_type result_type,
  97                                     int index,
  98                                     struct pipe_resource *resource,
  99                                     unsigned offset);
 100 };
 101
 102 struct r600_query {
 103         struct r600_query_ops *ops;
 104
 105         /* The type of query */
 106         unsigned type;
 107 };
 108
 109 enum {
 110         R600_QUERY_HW_FLAG_NO_START = (1 << 0),
 111         /* gap */
 112         /* whether begin_query doesn't clear the result */
 113         R600_QUERY_HW_FLAG_BEGIN_RESUMES = (1 << 2),
 114 };
 115
 116 struct r600_query_hw_ops {
 117         bool (*prepare_buffer)(struct r600_common_context *,
 118                                struct r600_query_hw *,
 119                                struct r600_resource *);
 120         void (*emit_start)(struct r600_common_context *,
 121                            struct r600_query_hw *,
 122                            struct r600_resource *buffer, uint64_t va);
 123         void (*emit_stop)(struct r600_common_context *,
 124                           struct r600_query_hw *,
 125                           struct r600_resource *buffer, uint64_t va);
 126         void (*clear_result)(struct r600_query_hw *, union pipe_query_result *);
 127         void (*add_result)(struct r600_common_context *ctx,
 128                            struct r600_query_hw *, void *buffer,
 129                            union pipe_query_result *result);
 130 };
 131
 132 struct r600_query_buffer {
 133         /* The buffer where query results are stored. */
 134         struct r600_resource            *buf;
 135         /* Offset of the next free result after current query data */
 136         unsigned                        results_end;
 137         /* If a query buffer is full, a new buffer is created and the old one
 138          * is put in here. When we calculate the result, we sum up the samples
 139          * from all buffers. */
 140         struct r600_query_buffer        *previous;
 141 };
 142
 143 struct r600_query_hw {
 144         struct r600_query b;
 145         struct r600_query_hw_ops *ops;
 146         unsigned flags;
 147
 148         /* The query buffer and how many results are in it. */
 149         struct r600_query_buffer buffer;
 150         /* Size of the result in memory for both begin_query and end_query,
 151          * this can be one or two numbers, or it could even be a size of a structure. */
 152         unsigned result_size;
 153         /* The number of dwords for begin_query or end_query. */
 154         unsigned num_cs_dw_begin;
 155         unsigned num_cs_dw_end;
 156         /* Linked list of queries */
 157         struct list_head list;
 158         /* For transform feedback: which stream the query is for */
 159         unsigned stream;
 160 };
 161
 162 bool r600_query_hw_init(struct r600_common_context *rctx,
 163                         struct r600_query_hw *query);
 164 void r600_query_hw_destroy(struct r600_common_context *rctx,
 165                            struct r600_query *rquery);
 166 bool r600_query_hw_begin(struct r600_common_context *rctx,
 167                          struct r600_query *rquery);
 168 bool r600_query_hw_end(struct r600_common_context *rctx,
 169                        struct r600_query *rquery);
 170 bool r600_query_hw_get_result(struct r600_common_context *rctx,
 171                               struct r600_query *rquery,
 172                               bool wait,
 173                               union pipe_query_result *result);
 174
 175 /* Performance counters */
 176 enum {
 177         /* This block is part of the shader engine */
 178         R600_PC_BLOCK_SE = (1 << 0),
 179
 180         /* Expose per-instance groups instead of summing all instances (within
 181          * an SE). */
 182         R600_PC_BLOCK_INSTANCE_GROUPS = (1 << 1),
 183
 184         /* Expose per-SE groups instead of summing instances across SEs. */
 185         R600_PC_BLOCK_SE_GROUPS = (1 << 2),
 186
 187         /* Shader block */
 188         R600_PC_BLOCK_SHADER = (1 << 3),
 189
 190         /* Non-shader block with perfcounters windowed by shaders. */
 191         R600_PC_BLOCK_SHADER_WINDOWED = (1 << 4),
 192 };
 193
 194 /* Describes a hardware block with performance counters. Multiple instances of
 195  * each block, possibly per-SE, may exist on the chip. Depending on the block
 196  * and on the user's configuration, we either
 197  *  (a) expose every instance as a performance counter group,
 198  *  (b) expose a single performance counter group that reports the sum over all
 199  *      instances, or
 200  *  (c) expose one performance counter group per instance, but summed over all
 201  *      shader engines.
 202  */
 203 struct r600_perfcounter_block {
 204         const char *basename;
 205         unsigned flags;
 206         unsigned num_counters;
 207         unsigned num_selectors;
 208         unsigned num_instances;
 209
 210         unsigned num_groups;
 211         char *group_names;
 212         unsigned group_name_stride;
 213
 214         char *selector_names;
 215         unsigned selector_name_stride;
 216
 217         void *data;
 218 };
 219
 220 struct r600_perfcounters {
 221         unsigned num_groups;
 222         unsigned num_blocks;
 223         struct r600_perfcounter_block *blocks;
 224
 225         unsigned num_start_cs_dwords;
 226         unsigned num_stop_cs_dwords;
 227         unsigned num_instance_cs_dwords;
 228         unsigned num_shaders_cs_dwords;
 229
 230         unsigned num_shader_types;
 231         const char * const *shader_type_suffixes;
 232         const unsigned *shader_type_bits;
 233
 234         void (*get_size)(struct r600_perfcounter_block *,
 235                          unsigned count, unsigned *selectors,
 236                          unsigned *num_select_dw, unsigned *num_read_dw);
 237
 238         void (*emit_instance)(struct r600_common_context *,
 239                               int se, int instance);
 240         void (*emit_shaders)(struct r600_common_context *, unsigned shaders);
 241         void (*emit_select)(struct r600_common_context *,
 242                             struct r600_perfcounter_block *,
 243                             unsigned count, unsigned *selectors);
 244         void (*emit_start)(struct r600_common_context *,
 245                           struct r600_resource *buffer, uint64_t va);
 246         void (*emit_stop)(struct r600_common_context *,
 247                           struct r600_resource *buffer, uint64_t va);
 248         void (*emit_read)(struct r600_common_context *,
 249                           struct r600_perfcounter_block *,
 250                           unsigned count, unsigned *selectors,
 251                           struct r600_resource *buffer, uint64_t va);
 252
 253         void (*cleanup)(struct r600_common_screen *);
 254
 255         bool separate_se;
 256         bool separate_instance;
 257 };
 258
 259 struct pipe_query *r600_create_batch_query(struct pipe_context *ctx,
 260                                            unsigned num_queries,
 261                                            unsigned *query_types);
 262
 263 int r600_get_perfcounter_info(struct r600_common_screen *,
 264                               unsigned index,
 265                               struct pipe_driver_query_info *info);
 266 int r600_get_perfcounter_group_info(struct r600_common_screen *,
 267                                     unsigned index,
 268                                     struct pipe_driver_query_group_info *info);
 269
 270 bool r600_perfcounters_init(struct r600_perfcounters *, unsigned num_blocks);
 271 void r600_perfcounters_add_block(struct r600_common_screen *,
 272                                  struct r600_perfcounters *,
 273                                  const char *name, unsigned flags,
 274                                  unsigned counters, unsigned selectors,
 275                                  unsigned instances, void *data);
 276 void r600_perfcounters_do_destroy(struct r600_perfcounters *);
 277 void r600_query_hw_reset_buffers(struct r600_common_context *rctx,
 278                                  struct r600_query_hw *query);
 279
 280 struct r600_qbo_state {
 281         void *saved_compute;
 282         struct pipe_constant_buffer saved_const0;
 283         struct pipe_shader_buffer saved_ssbo[3];
 284 };
 285
 286 #endif /* R600_QUERY_H */