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