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_FIRST_PERFCOUNTER    (PIPE_QUERY_DRIVER_SPECIFIC + 100)
  58
  59 struct r600_query_ops {
  60         void (*destroy)(struct r600_common_context *, struct r600_query *);
  61         boolean (*begin)(struct r600_common_context *, struct r600_query *);
  62         void (*end)(struct r600_common_context *, struct r600_query *);
  63         boolean (*get_result)(struct r600_common_context *,
  64                               struct r600_query *, boolean wait,
  65                               union pipe_query_result *result);
  66 };
  67
  68 struct r600_query {
  69         struct r600_query_ops *ops;
  70
  71         /* The type of query */
  72         unsigned type;
  73 };
  74
  75 enum {
  76         R600_QUERY_HW_FLAG_NO_START = (1 << 0),
  77         R600_QUERY_HW_FLAG_TIMER = (1 << 1),
  78         R600_QUERY_HW_FLAG_PREDICATE = (1 << 2),
  79 };
  80
  81 struct r600_query_hw_ops {
  82         void (*prepare_buffer)(struct r600_common_context *,
  83                                struct r600_query_hw *,
  84                                struct r600_resource *);
  85         void (*emit_start)(struct r600_common_context *,
  86                            struct r600_query_hw *,
  87                            struct r600_resource *buffer, uint64_t va);
  88         void (*emit_stop)(struct r600_common_context *,
  89                           struct r600_query_hw *,
  90                           struct r600_resource *buffer, uint64_t va);
  91         void (*clear_result)(struct r600_query_hw *, union pipe_query_result *);
  92         void (*add_result)(struct r600_common_context *ctx,
  93                            struct r600_query_hw *, void *buffer,
  94                            union pipe_query_result *result);
  95 };
  96
  97 struct r600_query_buffer {
  98         /* The buffer where query results are stored. */
  99         struct r600_resource            *buf;
 100         /* Offset of the next free result after current query data */
 101         unsigned                        results_end;
 102         /* If a query buffer is full, a new buffer is created and the old one
 103          * is put in here. When we calculate the result, we sum up the samples
 104          * from all buffers. */
 105         struct r600_query_buffer        *previous;
 106 };
 107
 108 struct r600_query_hw {
 109         struct r600_query b;
 110         struct r600_query_hw_ops *ops;
 111         unsigned flags;
 112
 113         /* The query buffer and how many results are in it. */
 114         struct r600_query_buffer buffer;
 115         /* Size of the result in memory for both begin_query and end_query,
 116          * this can be one or two numbers, or it could even be a size of a structure. */
 117         unsigned result_size;
 118         /* The number of dwords for begin_query or end_query. */
 119         unsigned num_cs_dw_begin;
 120         unsigned num_cs_dw_end;
 121         /* Linked list of queries */
 122         struct list_head list;
 123         /* For transform feedback: which stream the query is for */
 124         unsigned stream;
 125 };
 126
 127 boolean r600_query_hw_init(struct r600_common_context *rctx,
 128                            struct r600_query_hw *query);
 129 void r600_query_hw_destroy(struct r600_common_context *rctx,
 130                            struct r600_query *rquery);
 131 boolean r600_query_hw_begin(struct r600_common_context *rctx,
 132                             struct r600_query *rquery);
 133 void r600_query_hw_end(struct r600_common_context *rctx,
 134                        struct r600_query *rquery);
 135 boolean r600_query_hw_get_result(struct r600_common_context *rctx,
 136                                  struct r600_query *rquery,
 137                                  boolean wait,
 138                                  union pipe_query_result *result);
 139
 140 /* Performance counters */
 141 enum {
 142         /* This block is part of the shader engine */
 143         R600_PC_BLOCK_SE = (1 << 0),
 144
 145         /* Expose per-instance groups instead of summing all instances (within
 146          * an SE). */
 147         R600_PC_BLOCK_INSTANCE_GROUPS = (1 << 1),
 148
 149         /* Expose per-SE groups instead of summing instances across SEs. */
 150         R600_PC_BLOCK_SE_GROUPS = (1 << 2),
 151
 152         /* Shader block */
 153         R600_PC_BLOCK_SHADER = (1 << 3),
 154
 155         /* Non-shader block with perfcounters windowed by shaders. */
 156         R600_PC_BLOCK_SHADER_WINDOWED = (1 << 4),
 157 };
 158
 159 /* Shader enable bits. Chosen to coincide with SQ_PERFCOUNTER_CTRL values */
 160 enum {
 161         R600_PC_SHADER_PS = (1 << 0),
 162         R600_PC_SHADER_VS = (1 << 1),
 163         R600_PC_SHADER_GS = (1 << 2),
 164         R600_PC_SHADER_ES = (1 << 3),
 165         R600_PC_SHADER_HS = (1 << 4),
 166         R600_PC_SHADER_LS = (1 << 5),
 167         R600_PC_SHADER_CS = (1 << 6),
 168
 169         R600_PC_SHADER_ALL = R600_PC_SHADER_PS | R600_PC_SHADER_VS |
 170                              R600_PC_SHADER_GS | R600_PC_SHADER_ES |
 171                              R600_PC_SHADER_HS | R600_PC_SHADER_LS |
 172                              R600_PC_SHADER_CS,
 173
 174         R600_PC_SHADER_WINDOWING = (1 << 31),
 175 };
 176
 177 /* Describes a hardware block with performance counters. Multiple instances of
 178  * each block, possibly per-SE, may exist on the chip. Depending on the block
 179  * and on the user's configuration, we either
 180  *  (a) expose every instance as a performance counter group,
 181  *  (b) expose a single performance counter group that reports the sum over all
 182  *      instances, or
 183  *  (c) expose one performance counter group per instance, but summed over all
 184  *      shader engines.
 185  */
 186 struct r600_perfcounter_block {
 187         const char *basename;
 188         unsigned flags;
 189         unsigned num_counters;
 190         unsigned num_selectors;
 191         unsigned num_instances;
 192
 193         unsigned num_groups;
 194         char *group_names;
 195         unsigned group_name_stride;
 196
 197         char *selector_names;
 198         unsigned selector_name_stride;
 199
 200         void *data;
 201 };
 202
 203 struct r600_perfcounters {
 204         unsigned num_groups;
 205         unsigned num_blocks;
 206         struct r600_perfcounter_block *blocks;
 207
 208         unsigned num_start_cs_dwords;
 209         unsigned num_stop_cs_dwords;
 210         unsigned num_instance_cs_dwords;
 211         unsigned num_shaders_cs_dwords;
 212
 213         void (*get_size)(struct r600_perfcounter_block *,
 214                          unsigned count, unsigned *selectors,
 215                          unsigned *num_select_dw, unsigned *num_read_dw);
 216
 217         void (*emit_instance)(struct r600_common_context *,
 218                               int se, int instance);
 219         void (*emit_shaders)(struct r600_common_context *, unsigned shaders);
 220         void (*emit_select)(struct r600_common_context *,
 221                             struct r600_perfcounter_block *,
 222                             unsigned count, unsigned *selectors);
 223         void (*emit_start)(struct r600_common_context *,
 224                           struct r600_resource *buffer, uint64_t va);
 225         void (*emit_stop)(struct r600_common_context *,
 226                           struct r600_resource *buffer, uint64_t va);
 227         void (*emit_read)(struct r600_common_context *,
 228                           struct r600_perfcounter_block *,
 229                           unsigned count, unsigned *selectors,
 230                           struct r600_resource *buffer, uint64_t va);
 231
 232         void (*cleanup)(struct r600_common_screen *);
 233
 234         boolean separate_se;
 235         boolean separate_instance;
 236 };
 237
 238 struct pipe_query *r600_create_batch_query(struct pipe_context *ctx,
 239                                            unsigned num_queries,
 240                                            unsigned *query_types);
 241
 242 int r600_get_perfcounter_info(struct r600_common_screen *,
 243                               unsigned index,
 244                               struct pipe_driver_query_info *info);
 245 int r600_get_perfcounter_group_info(struct r600_common_screen *,
 246                                     unsigned index,
 247                                     struct pipe_driver_query_group_info *info);
 248
 249 boolean r600_perfcounters_init(struct r600_perfcounters *, unsigned num_blocks);
 250 void r600_perfcounters_add_block(struct r600_common_screen *,
 251                                  struct r600_perfcounters *,
 252                                  const char *name, unsigned flags,
 253                                  unsigned counters, unsigned selectors,
 254                                  unsigned instances, void *data);
 255 void r600_perfcounters_do_destroy(struct r600_perfcounters *);
 256
 257 #endif /* R600_QUERY_H */