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_NUM_FB_CACHE_FLUSHES,
  56         R600_QUERY_NUM_L2_INVALIDATES,
  57         R600_QUERY_NUM_L2_WRITEBACKS,
  58         R600_QUERY_REQUESTED_VRAM,
  59         R600_QUERY_REQUESTED_GTT,
  60         R600_QUERY_MAPPED_VRAM,
  61         R600_QUERY_MAPPED_GTT,
  62         R600_QUERY_BUFFER_WAIT_TIME,
  63         R600_QUERY_NUM_GFX_IBS,
  64         R600_QUERY_NUM_SDMA_IBS,
  65         R600_QUERY_NUM_BYTES_MOVED,
  66         R600_QUERY_NUM_EVICTIONS,
  67         R600_QUERY_VRAM_USAGE,
  68         R600_QUERY_GTT_USAGE,
  69         R600_QUERY_GPU_TEMPERATURE,
  70         R600_QUERY_CURRENT_GPU_SCLK,
  71         R600_QUERY_CURRENT_GPU_MCLK,
  72         R600_QUERY_GPU_LOAD,
  73         R600_QUERY_GPU_SHADERS_BUSY,
  74         R600_QUERY_NUM_COMPILATIONS,
  75         R600_QUERY_NUM_SHADERS_CREATED,
  76         R600_QUERY_BACK_BUFFER_PS_DRAW_RATIO,
  77         R600_QUERY_NUM_SHADER_CACHE_HITS,
  78         R600_QUERY_GPIN_ASIC_ID,
  79         R600_QUERY_GPIN_NUM_SIMD,
  80         R600_QUERY_GPIN_NUM_RB,
  81         R600_QUERY_GPIN_NUM_SPI,
  82         R600_QUERY_GPIN_NUM_SE,
  83
  84         R600_QUERY_FIRST_PERFCOUNTER = PIPE_QUERY_DRIVER_SPECIFIC + 100,
  85 };
  86
  87 enum {
  88         R600_QUERY_GROUP_GPIN = 0,
  89         R600_NUM_SW_QUERY_GROUPS
  90 };
  91
  92 struct r600_query_ops {
  93         void (*destroy)(struct r600_common_context *, struct r600_query *);
  94         bool (*begin)(struct r600_common_context *, struct r600_query *);
  95         bool (*end)(struct r600_common_context *, struct r600_query *);
  96         bool (*get_result)(struct r600_common_context *,
  97                            struct r600_query *, bool wait,
  98                            union pipe_query_result *result);
  99         void (*get_result_resource)(struct r600_common_context *,
 100                                     struct r600_query *, bool wait,
 101                                     enum pipe_query_value_type result_type,
 102                                     int index,
 103                                     struct pipe_resource *resource,
 104                                     unsigned offset);
 105 };
 106
 107 struct r600_query {
 108         struct r600_query_ops *ops;
 109
 110         /* The type of query */
 111         unsigned type;
 112 };
 113
 114 enum {
 115         R600_QUERY_HW_FLAG_NO_START = (1 << 0),
 116         /* gap */
 117         /* whether begin_query doesn't clear the result */
 118         R600_QUERY_HW_FLAG_BEGIN_RESUMES = (1 << 2),
 119 };
 120
 121 struct r600_query_hw_ops {
 122         bool (*prepare_buffer)(struct r600_common_context *,
 123                                struct r600_query_hw *,
 124                                struct r600_resource *);
 125         void (*emit_start)(struct r600_common_context *,
 126                            struct r600_query_hw *,
 127                            struct r600_resource *buffer, uint64_t va);
 128         void (*emit_stop)(struct r600_common_context *,
 129                           struct r600_query_hw *,
 130                           struct r600_resource *buffer, uint64_t va);
 131         void (*clear_result)(struct r600_query_hw *, union pipe_query_result *);
 132         void (*add_result)(struct r600_common_context *ctx,
 133                            struct r600_query_hw *, void *buffer,
 134                            union pipe_query_result *result);
 135 };
 136
 137 struct r600_query_buffer {
 138         /* The buffer where query results are stored. */
 139         struct r600_resource            *buf;
 140         /* Offset of the next free result after current query data */
 141         unsigned                        results_end;
 142         /* If a query buffer is full, a new buffer is created and the old one
 143          * is put in here. When we calculate the result, we sum up the samples
 144          * from all buffers. */
 145         struct r600_query_buffer        *previous;
 146 };
 147
 148 struct r600_query_hw {
 149         struct r600_query b;
 150         struct r600_query_hw_ops *ops;
 151         unsigned flags;
 152
 153         /* The query buffer and how many results are in it. */
 154         struct r600_query_buffer buffer;
 155         /* Size of the result in memory for both begin_query and end_query,
 156          * this can be one or two numbers, or it could even be a size of a structure. */
 157         unsigned result_size;
 158         /* The number of dwords for begin_query or end_query. */
 159         unsigned num_cs_dw_begin;
 160         unsigned num_cs_dw_end;
 161         /* Linked list of queries */
 162         struct list_head list;
 163         /* For transform feedback: which stream the query is for */
 164         unsigned stream;
 165 };
 166
 167 bool r600_query_hw_init(struct r600_common_context *rctx,
 168                         struct r600_query_hw *query);
 169 void r600_query_hw_destroy(struct r600_common_context *rctx,
 170                            struct r600_query *rquery);
 171 bool r600_query_hw_begin(struct r600_common_context *rctx,
 172                          struct r600_query *rquery);
 173 bool r600_query_hw_end(struct r600_common_context *rctx,
 174                        struct r600_query *rquery);
 175 bool r600_query_hw_get_result(struct r600_common_context *rctx,
 176                               struct r600_query *rquery,
 177                               bool wait,
 178                               union pipe_query_result *result);
 179
 180 /* Performance counters */
 181 enum {
 182         /* This block is part of the shader engine */
 183         R600_PC_BLOCK_SE = (1 << 0),
 184
 185         /* Expose per-instance groups instead of summing all instances (within
 186          * an SE). */
 187         R600_PC_BLOCK_INSTANCE_GROUPS = (1 << 1),
 188
 189         /* Expose per-SE groups instead of summing instances across SEs. */
 190         R600_PC_BLOCK_SE_GROUPS = (1 << 2),
 191
 192         /* Shader block */
 193         R600_PC_BLOCK_SHADER = (1 << 3),
 194
 195         /* Non-shader block with perfcounters windowed by shaders. */
 196         R600_PC_BLOCK_SHADER_WINDOWED = (1 << 4),
 197 };
 198
 199 /* Describes a hardware block with performance counters. Multiple instances of
 200  * each block, possibly per-SE, may exist on the chip. Depending on the block
 201  * and on the user's configuration, we either
 202  *  (a) expose every instance as a performance counter group,
 203  *  (b) expose a single performance counter group that reports the sum over all
 204  *      instances, or
 205  *  (c) expose one performance counter group per instance, but summed over all
 206  *      shader engines.
 207  */
 208 struct r600_perfcounter_block {
 209         const char *basename;
 210         unsigned flags;
 211         unsigned num_counters;
 212         unsigned num_selectors;
 213         unsigned num_instances;
 214
 215         unsigned num_groups;
 216         char *group_names;
 217         unsigned group_name_stride;
 218
 219         char *selector_names;
 220         unsigned selector_name_stride;
 221
 222         void *data;
 223 };
 224
 225 struct r600_perfcounters {
 226         unsigned num_groups;
 227         unsigned num_blocks;
 228         struct r600_perfcounter_block *blocks;
 229
 230         unsigned num_start_cs_dwords;
 231         unsigned num_stop_cs_dwords;
 232         unsigned num_instance_cs_dwords;
 233         unsigned num_shaders_cs_dwords;
 234
 235         unsigned num_shader_types;
 236         const char * const *shader_type_suffixes;
 237         const unsigned *shader_type_bits;
 238
 239         void (*get_size)(struct r600_perfcounter_block *,
 240                          unsigned count, unsigned *selectors,
 241                          unsigned *num_select_dw, unsigned *num_read_dw);
 242
 243         void (*emit_instance)(struct r600_common_context *,
 244                               int se, int instance);
 245         void (*emit_shaders)(struct r600_common_context *, unsigned shaders);
 246         void (*emit_select)(struct r600_common_context *,
 247                             struct r600_perfcounter_block *,
 248                             unsigned count, unsigned *selectors);
 249         void (*emit_start)(struct r600_common_context *,
 250                           struct r600_resource *buffer, uint64_t va);
 251         void (*emit_stop)(struct r600_common_context *,
 252                           struct r600_resource *buffer, uint64_t va);
 253         void (*emit_read)(struct r600_common_context *,
 254                           struct r600_perfcounter_block *,
 255                           unsigned count, unsigned *selectors,
 256                           struct r600_resource *buffer, uint64_t va);
 257
 258         void (*cleanup)(struct r600_common_screen *);
 259
 260         bool separate_se;
 261         bool separate_instance;
 262 };
 263
 264 struct pipe_query *r600_create_batch_query(struct pipe_context *ctx,
 265                                            unsigned num_queries,
 266                                            unsigned *query_types);
 267
 268 int r600_get_perfcounter_info(struct r600_common_screen *,
 269                               unsigned index,
 270                               struct pipe_driver_query_info *info);
 271 int r600_get_perfcounter_group_info(struct r600_common_screen *,
 272                                     unsigned index,
 273                                     struct pipe_driver_query_group_info *info);
 274
 275 bool r600_perfcounters_init(struct r600_perfcounters *, unsigned num_blocks);
 276 void r600_perfcounters_add_block(struct r600_common_screen *,
 277                                  struct r600_perfcounters *,
 278                                  const char *name, unsigned flags,
 279                                  unsigned counters, unsigned selectors,
 280                                  unsigned instances, void *data);
 281 void r600_perfcounters_do_destroy(struct r600_perfcounters *);
 282 void r600_query_hw_reset_buffers(struct r600_common_context *rctx,
 283                                  struct r600_query_hw *query);
 284
 285 struct r600_qbo_state {
 286         void *saved_compute;
 287         struct pipe_constant_buffer saved_const0;
 288         struct pipe_shader_buffer saved_ssbo[3];
 289 };
 290
 291 #endif /* R600_QUERY_H */