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_CS_THREAD_BUSY,
  59         R600_QUERY_REQUESTED_VRAM,
  60         R600_QUERY_REQUESTED_GTT,
  61         R600_QUERY_MAPPED_VRAM,
  62         R600_QUERY_MAPPED_GTT,
  63         R600_QUERY_BUFFER_WAIT_TIME,
  64         R600_QUERY_NUM_MAPPED_BUFFERS,
  65         R600_QUERY_NUM_GFX_IBS,
  66         R600_QUERY_NUM_SDMA_IBS,
  67         R600_QUERY_NUM_BYTES_MOVED,
  68         R600_QUERY_NUM_EVICTIONS,
  69         R600_QUERY_VRAM_USAGE,
  70         R600_QUERY_VRAM_VIS_USAGE,
  71         R600_QUERY_GTT_USAGE,
  72         R600_QUERY_GPU_TEMPERATURE,
  73         R600_QUERY_CURRENT_GPU_SCLK,
  74         R600_QUERY_CURRENT_GPU_MCLK,
  75         R600_QUERY_GPU_LOAD,
  76         R600_QUERY_GPU_SHADERS_BUSY,
  77         R600_QUERY_GPU_TA_BUSY,
  78         R600_QUERY_GPU_GDS_BUSY,
  79         R600_QUERY_GPU_VGT_BUSY,
  80         R600_QUERY_GPU_IA_BUSY,
  81         R600_QUERY_GPU_SX_BUSY,
  82         R600_QUERY_GPU_WD_BUSY,
  83         R600_QUERY_GPU_BCI_BUSY,
  84         R600_QUERY_GPU_SC_BUSY,
  85         R600_QUERY_GPU_PA_BUSY,
  86         R600_QUERY_GPU_DB_BUSY,
  87         R600_QUERY_GPU_CP_BUSY,
  88         R600_QUERY_GPU_CB_BUSY,
  89         R600_QUERY_GPU_SDMA_BUSY,
  90         R600_QUERY_GPU_PFP_BUSY,
  91         R600_QUERY_GPU_MEQ_BUSY,
  92         R600_QUERY_GPU_ME_BUSY,
  93         R600_QUERY_GPU_SURF_SYNC_BUSY,
  94         R600_QUERY_GPU_DMA_BUSY,
  95         R600_QUERY_GPU_SCRATCH_RAM_BUSY,
  96         R600_QUERY_GPU_CE_BUSY,
  97         R600_QUERY_NUM_COMPILATIONS,
  98         R600_QUERY_NUM_SHADERS_CREATED,
  99         R600_QUERY_BACK_BUFFER_PS_DRAW_RATIO,
 100         R600_QUERY_NUM_SHADER_CACHE_HITS,
 101         R600_QUERY_GPIN_ASIC_ID,
 102         R600_QUERY_GPIN_NUM_SIMD,
 103         R600_QUERY_GPIN_NUM_RB,
 104         R600_QUERY_GPIN_NUM_SPI,
 105         R600_QUERY_GPIN_NUM_SE,
 106
 107         R600_QUERY_FIRST_PERFCOUNTER = PIPE_QUERY_DRIVER_SPECIFIC + 100,
 108 };
 109
 110 enum {
 111         R600_QUERY_GROUP_GPIN = 0,
 112         R600_NUM_SW_QUERY_GROUPS
 113 };
 114
 115 struct r600_query_ops {
 116         void (*destroy)(struct r600_common_screen *, struct r600_query *);
 117         bool (*begin)(struct r600_common_context *, struct r600_query *);
 118         bool (*end)(struct r600_common_context *, struct r600_query *);
 119         bool (*get_result)(struct r600_common_context *,
 120                            struct r600_query *, bool wait,
 121                            union pipe_query_result *result);
 122         void (*get_result_resource)(struct r600_common_context *,
 123                                     struct r600_query *, bool wait,
 124                                     enum pipe_query_value_type result_type,
 125                                     int index,
 126                                     struct pipe_resource *resource,
 127                                     unsigned offset);
 128 };
 129
 130 struct r600_query {
 131         struct r600_query_ops *ops;
 132
 133         /* The type of query */
 134         unsigned type;
 135 };
 136
 137 enum {
 138         R600_QUERY_HW_FLAG_NO_START = (1 << 0),
 139         /* gap */
 140         /* whether begin_query doesn't clear the result */
 141         R600_QUERY_HW_FLAG_BEGIN_RESUMES = (1 << 2),
 142 };
 143
 144 struct r600_query_hw_ops {
 145         bool (*prepare_buffer)(struct r600_common_screen *,
 146                                struct r600_query_hw *,
 147                                struct r600_resource *);
 148         void (*emit_start)(struct r600_common_context *,
 149                            struct r600_query_hw *,
 150                            struct r600_resource *buffer, uint64_t va);
 151         void (*emit_stop)(struct r600_common_context *,
 152                           struct r600_query_hw *,
 153                           struct r600_resource *buffer, uint64_t va);
 154         void (*clear_result)(struct r600_query_hw *, union pipe_query_result *);
 155         void (*add_result)(struct r600_common_context *ctx,
 156                            struct r600_query_hw *, void *buffer,
 157                            union pipe_query_result *result);
 158 };
 159
 160 struct r600_query_buffer {
 161         /* The buffer where query results are stored. */
 162         struct r600_resource            *buf;
 163         /* Offset of the next free result after current query data */
 164         unsigned                        results_end;
 165         /* If a query buffer is full, a new buffer is created and the old one
 166          * is put in here. When we calculate the result, we sum up the samples
 167          * from all buffers. */
 168         struct r600_query_buffer        *previous;
 169 };
 170
 171 struct r600_query_hw {
 172         struct r600_query b;
 173         struct r600_query_hw_ops *ops;
 174         unsigned flags;
 175
 176         /* The query buffer and how many results are in it. */
 177         struct r600_query_buffer buffer;
 178         /* Size of the result in memory for both begin_query and end_query,
 179          * this can be one or two numbers, or it could even be a size of a structure. */
 180         unsigned result_size;
 181         /* The number of dwords for begin_query or end_query. */
 182         unsigned num_cs_dw_begin;
 183         unsigned num_cs_dw_end;
 184         /* Linked list of queries */
 185         struct list_head list;
 186         /* For transform feedback: which stream the query is for */
 187         unsigned stream;
 188 };
 189
 190 bool r600_query_hw_init(struct r600_common_screen *rscreen,
 191                         struct r600_query_hw *query);
 192 void r600_query_hw_destroy(struct r600_common_screen *rscreen,
 193                            struct r600_query *rquery);
 194 bool r600_query_hw_begin(struct r600_common_context *rctx,
 195                          struct r600_query *rquery);
 196 bool r600_query_hw_end(struct r600_common_context *rctx,
 197                        struct r600_query *rquery);
 198 bool r600_query_hw_get_result(struct r600_common_context *rctx,
 199                               struct r600_query *rquery,
 200                               bool wait,
 201                               union pipe_query_result *result);
 202
 203 /* Performance counters */
 204 enum {
 205         /* This block is part of the shader engine */
 206         R600_PC_BLOCK_SE = (1 << 0),
 207
 208         /* Expose per-instance groups instead of summing all instances (within
 209          * an SE). */
 210         R600_PC_BLOCK_INSTANCE_GROUPS = (1 << 1),
 211
 212         /* Expose per-SE groups instead of summing instances across SEs. */
 213         R600_PC_BLOCK_SE_GROUPS = (1 << 2),
 214
 215         /* Shader block */
 216         R600_PC_BLOCK_SHADER = (1 << 3),
 217
 218         /* Non-shader block with perfcounters windowed by shaders. */
 219         R600_PC_BLOCK_SHADER_WINDOWED = (1 << 4),
 220 };
 221
 222 /* Describes a hardware block with performance counters. Multiple instances of
 223  * each block, possibly per-SE, may exist on the chip. Depending on the block
 224  * and on the user's configuration, we either
 225  *  (a) expose every instance as a performance counter group,
 226  *  (b) expose a single performance counter group that reports the sum over all
 227  *      instances, or
 228  *  (c) expose one performance counter group per instance, but summed over all
 229  *      shader engines.
 230  */
 231 struct r600_perfcounter_block {
 232         const char *basename;
 233         unsigned flags;
 234         unsigned num_counters;
 235         unsigned num_selectors;
 236         unsigned num_instances;
 237
 238         unsigned num_groups;
 239         char *group_names;
 240         unsigned group_name_stride;
 241
 242         char *selector_names;
 243         unsigned selector_name_stride;
 244
 245         void *data;
 246 };
 247
 248 struct r600_perfcounters {
 249         unsigned num_groups;
 250         unsigned num_blocks;
 251         struct r600_perfcounter_block *blocks;
 252
 253         unsigned num_start_cs_dwords;
 254         unsigned num_stop_cs_dwords;
 255         unsigned num_instance_cs_dwords;
 256         unsigned num_shaders_cs_dwords;
 257
 258         unsigned num_shader_types;
 259         const char * const *shader_type_suffixes;
 260         const unsigned *shader_type_bits;
 261
 262         void (*get_size)(struct r600_perfcounter_block *,
 263                          unsigned count, unsigned *selectors,
 264                          unsigned *num_select_dw, unsigned *num_read_dw);
 265
 266         void (*emit_instance)(struct r600_common_context *,
 267                               int se, int instance);
 268         void (*emit_shaders)(struct r600_common_context *, unsigned shaders);
 269         void (*emit_select)(struct r600_common_context *,
 270                             struct r600_perfcounter_block *,
 271                             unsigned count, unsigned *selectors);
 272         void (*emit_start)(struct r600_common_context *,
 273                           struct r600_resource *buffer, uint64_t va);
 274         void (*emit_stop)(struct r600_common_context *,
 275                           struct r600_resource *buffer, uint64_t va);
 276         void (*emit_read)(struct r600_common_context *,
 277                           struct r600_perfcounter_block *,
 278                           unsigned count, unsigned *selectors,
 279                           struct r600_resource *buffer, uint64_t va);
 280
 281         void (*cleanup)(struct r600_common_screen *);
 282
 283         bool separate_se;
 284         bool separate_instance;
 285 };
 286
 287 struct pipe_query *r600_create_batch_query(struct pipe_context *ctx,
 288                                            unsigned num_queries,
 289                                            unsigned *query_types);
 290
 291 int r600_get_perfcounter_info(struct r600_common_screen *,
 292                               unsigned index,
 293                               struct pipe_driver_query_info *info);
 294 int r600_get_perfcounter_group_info(struct r600_common_screen *,
 295                                     unsigned index,
 296                                     struct pipe_driver_query_group_info *info);
 297
 298 bool r600_perfcounters_init(struct r600_perfcounters *, unsigned num_blocks);
 299 void r600_perfcounters_add_block(struct r600_common_screen *,
 300                                  struct r600_perfcounters *,
 301                                  const char *name, unsigned flags,
 302                                  unsigned counters, unsigned selectors,
 303                                  unsigned instances, void *data);
 304 void r600_perfcounters_do_destroy(struct r600_perfcounters *);
 305 void r600_query_hw_reset_buffers(struct r600_common_context *rctx,
 306                                  struct r600_query_hw *query);
 307
 308 struct r600_qbo_state {
 309         void *saved_compute;
 310         struct pipe_constant_buffer saved_const0;
 311         struct pipe_shader_buffer saved_ssbo[3];
 312 };
 313
 314 #endif /* R600_QUERY_H */