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 #define R600_QUERY_DRAW_CALLS           (PIPE_QUERY_DRIVER_SPECIFIC + 0)
  44 #define R600_QUERY_REQUESTED_VRAM       (PIPE_QUERY_DRIVER_SPECIFIC + 1)
  45 #define R600_QUERY_REQUESTED_GTT        (PIPE_QUERY_DRIVER_SPECIFIC + 2)
  46 #define R600_QUERY_BUFFER_WAIT_TIME     (PIPE_QUERY_DRIVER_SPECIFIC + 3)
  47 #define R600_QUERY_NUM_CS_FLUSHES       (PIPE_QUERY_DRIVER_SPECIFIC + 4)
  48 #define R600_QUERY_NUM_BYTES_MOVED      (PIPE_QUERY_DRIVER_SPECIFIC + 5)
  49 #define R600_QUERY_VRAM_USAGE           (PIPE_QUERY_DRIVER_SPECIFIC + 6)
  50 #define R600_QUERY_GTT_USAGE            (PIPE_QUERY_DRIVER_SPECIFIC + 7)
  51 #define R600_QUERY_GPU_TEMPERATURE      (PIPE_QUERY_DRIVER_SPECIFIC + 8)
  52 #define R600_QUERY_CURRENT_GPU_SCLK     (PIPE_QUERY_DRIVER_SPECIFIC + 9)
  53 #define R600_QUERY_CURRENT_GPU_MCLK     (PIPE_QUERY_DRIVER_SPECIFIC + 10)
  54 #define R600_QUERY_GPU_LOAD             (PIPE_QUERY_DRIVER_SPECIFIC + 11)
  55 #define R600_QUERY_NUM_COMPILATIONS     (PIPE_QUERY_DRIVER_SPECIFIC + 12)
  56 #define R600_QUERY_NUM_SHADERS_CREATED  (PIPE_QUERY_DRIVER_SPECIFIC + 13)
  57 #define R600_QUERY_GPIN_ASIC_ID         (PIPE_QUERY_DRIVER_SPECIFIC + 14)
  58 #define R600_QUERY_GPIN_NUM_SIMD        (PIPE_QUERY_DRIVER_SPECIFIC + 15)
  59 #define R600_QUERY_GPIN_NUM_RB          (PIPE_QUERY_DRIVER_SPECIFIC + 16)
  60 #define R600_QUERY_GPIN_NUM_SPI         (PIPE_QUERY_DRIVER_SPECIFIC + 17)
  61 #define R600_QUERY_GPIN_NUM_SE          (PIPE_QUERY_DRIVER_SPECIFIC + 18)
  62 #define R600_QUERY_FIRST_PERFCOUNTER    (PIPE_QUERY_DRIVER_SPECIFIC + 100)
  63
  64 enum {
  65         R600_QUERY_GROUP_GPIN = 0,
  66         R600_NUM_SW_QUERY_GROUPS
  67 };
  68
  69 struct r600_query_ops {
  70         void (*destroy)(struct r600_common_context *, struct r600_query *);
  71         boolean (*begin)(struct r600_common_context *, struct r600_query *);
  72         void (*end)(struct r600_common_context *, struct r600_query *);
  73         boolean (*get_result)(struct r600_common_context *,
  74                               struct r600_query *, boolean wait,
  75                               union pipe_query_result *result);
  76 };
  77
  78 struct r600_query {
  79         struct r600_query_ops *ops;
  80
  81         /* The type of query */
  82         unsigned type;
  83 };
  84
  85 enum {
  86         R600_QUERY_HW_FLAG_NO_START = (1 << 0),
  87         R600_QUERY_HW_FLAG_TIMER = (1 << 1),
  88         R600_QUERY_HW_FLAG_PREDICATE = (1 << 2),
  89 };
  90
  91 struct r600_query_hw_ops {
  92         void (*prepare_buffer)(struct r600_common_context *,
  93                                struct r600_query_hw *,
  94                                struct r600_resource *);
  95         void (*emit_start)(struct r600_common_context *,
  96                            struct r600_query_hw *,
  97                            struct r600_resource *buffer, uint64_t va);
  98         void (*emit_stop)(struct r600_common_context *,
  99                           struct r600_query_hw *,
 100                           struct r600_resource *buffer, uint64_t va);
 101         void (*clear_result)(struct r600_query_hw *, union pipe_query_result *);
 102         void (*add_result)(struct r600_common_context *ctx,
 103                            struct r600_query_hw *, void *buffer,
 104                            union pipe_query_result *result);
 105 };
 106
 107 struct r600_query_buffer {
 108         /* The buffer where query results are stored. */
 109         struct r600_resource            *buf;
 110         /* Offset of the next free result after current query data */
 111         unsigned                        results_end;
 112         /* If a query buffer is full, a new buffer is created and the old one
 113          * is put in here. When we calculate the result, we sum up the samples
 114          * from all buffers. */
 115         struct r600_query_buffer        *previous;
 116 };
 117
 118 struct r600_query_hw {
 119         struct r600_query b;
 120         struct r600_query_hw_ops *ops;
 121         unsigned flags;
 122
 123         /* The query buffer and how many results are in it. */
 124         struct r600_query_buffer buffer;
 125         /* Size of the result in memory for both begin_query and end_query,
 126          * this can be one or two numbers, or it could even be a size of a structure. */
 127         unsigned result_size;
 128         /* The number of dwords for begin_query or end_query. */
 129         unsigned num_cs_dw_begin;
 130         unsigned num_cs_dw_end;
 131         /* Linked list of queries */
 132         struct list_head list;
 133         /* For transform feedback: which stream the query is for */
 134         unsigned stream;
 135 };
 136
 137 boolean r600_query_hw_init(struct r600_common_context *rctx,
 138                            struct r600_query_hw *query);
 139 void r600_query_hw_destroy(struct r600_common_context *rctx,
 140                            struct r600_query *rquery);
 141 boolean r600_query_hw_begin(struct r600_common_context *rctx,
 142                             struct r600_query *rquery);
 143 void r600_query_hw_end(struct r600_common_context *rctx,
 144                        struct r600_query *rquery);
 145 boolean r600_query_hw_get_result(struct r600_common_context *rctx,
 146                                  struct r600_query *rquery,
 147                                  boolean wait,
 148                                  union pipe_query_result *result);
 149
 150 /* Performance counters */
 151 enum {
 152         /* This block is part of the shader engine */
 153         R600_PC_BLOCK_SE = (1 << 0),
 154
 155         /* Expose per-instance groups instead of summing all instances (within
 156          * an SE). */
 157         R600_PC_BLOCK_INSTANCE_GROUPS = (1 << 1),
 158
 159         /* Expose per-SE groups instead of summing instances across SEs. */
 160         R600_PC_BLOCK_SE_GROUPS = (1 << 2),
 161
 162         /* Shader block */
 163         R600_PC_BLOCK_SHADER = (1 << 3),
 164
 165         /* Non-shader block with perfcounters windowed by shaders. */
 166         R600_PC_BLOCK_SHADER_WINDOWED = (1 << 4),
 167 };
 168
 169 /* Describes a hardware block with performance counters. Multiple instances of
 170  * each block, possibly per-SE, may exist on the chip. Depending on the block
 171  * and on the user's configuration, we either
 172  *  (a) expose every instance as a performance counter group,
 173  *  (b) expose a single performance counter group that reports the sum over all
 174  *      instances, or
 175  *  (c) expose one performance counter group per instance, but summed over all
 176  *      shader engines.
 177  */
 178 struct r600_perfcounter_block {
 179         const char *basename;
 180         unsigned flags;
 181         unsigned num_counters;
 182         unsigned num_selectors;
 183         unsigned num_instances;
 184
 185         unsigned num_groups;
 186         char *group_names;
 187         unsigned group_name_stride;
 188
 189         char *selector_names;
 190         unsigned selector_name_stride;
 191
 192         void *data;
 193 };
 194
 195 struct r600_perfcounters {
 196         unsigned num_groups;
 197         unsigned num_blocks;
 198         struct r600_perfcounter_block *blocks;
 199
 200         unsigned num_start_cs_dwords;
 201         unsigned num_stop_cs_dwords;
 202         unsigned num_instance_cs_dwords;
 203         unsigned num_shaders_cs_dwords;
 204
 205         unsigned num_shader_types;
 206         const char * const *shader_type_suffixes;
 207         const unsigned *shader_type_bits;
 208
 209         void (*get_size)(struct r600_perfcounter_block *,
 210                          unsigned count, unsigned *selectors,
 211                          unsigned *num_select_dw, unsigned *num_read_dw);
 212
 213         void (*emit_instance)(struct r600_common_context *,
 214                               int se, int instance);
 215         void (*emit_shaders)(struct r600_common_context *, unsigned shaders);
 216         void (*emit_select)(struct r600_common_context *,
 217                             struct r600_perfcounter_block *,
 218                             unsigned count, unsigned *selectors);
 219         void (*emit_start)(struct r600_common_context *,
 220                           struct r600_resource *buffer, uint64_t va);
 221         void (*emit_stop)(struct r600_common_context *,
 222                           struct r600_resource *buffer, uint64_t va);
 223         void (*emit_read)(struct r600_common_context *,
 224                           struct r600_perfcounter_block *,
 225                           unsigned count, unsigned *selectors,
 226                           struct r600_resource *buffer, uint64_t va);
 227
 228         void (*cleanup)(struct r600_common_screen *);
 229
 230         boolean separate_se;
 231         boolean separate_instance;
 232 };
 233
 234 struct pipe_query *r600_create_batch_query(struct pipe_context *ctx,
 235                                            unsigned num_queries,
 236                                            unsigned *query_types);
 237
 238 int r600_get_perfcounter_info(struct r600_common_screen *,
 239                               unsigned index,
 240                               struct pipe_driver_query_info *info);
 241 int r600_get_perfcounter_group_info(struct r600_common_screen *,
 242                                     unsigned index,
 243                                     struct pipe_driver_query_group_info *info);
 244
 245 boolean r600_perfcounters_init(struct r600_perfcounters *, unsigned num_blocks);
 246 void r600_perfcounters_add_block(struct r600_common_screen *,
 247                                  struct r600_perfcounters *,
 248                                  const char *name, unsigned flags,
 249                                  unsigned counters, unsigned selectors,
 250                                  unsigned instances, void *data);
 251 void r600_perfcounters_do_destroy(struct r600_perfcounters *);
 252
 253 #endif /* R600_QUERY_H */