[Mesa-dev] [PATCH 7/8] radeonsi: implement AMD_performance_monitor for CIK+

Marek Olšák maraeo at gmail.com
Wed Nov 25 05:56:20 PST 2015


R600_PC_SHADER_WINDOWING seems unused. What is it good for?

BTW, I think the EVENT_WRITE_EOP workaround is indeed required.

The series is:
Reviewed-by: Marek Olšák <marek.olsak at amd.com>

Marek

On Tue, Nov 24, 2015 at 5:00 PM, Nicolai Hähnle <nhaehnle at gmail.com> wrote:
> Expose most of the performance counter groups that are exposed by Catalyst.
> Ideally, the driver will work with GPUPerfStudio at some point, but we are not
> quite there yet. In any case, this is the reason for grouping multiple
> instances of hardware blocks in the way it is implemented.
>
> The counters can also be shown using the Gallium HUD. If one is interested to
> see how work is distributed across multiple shader engines, one can set the
> environment variable RADEON_PC_SEPARATE_SE=1 to obtain finer-grained performance
> counter groups.
>
> Part of the implementation is in radeon because an implementation for
> older hardware would largely follow along the same lines, but exposing
> a different set of blocks which are programmed slightly differently.
> ---
>  src/gallium/drivers/radeon/Makefile.sources   |   1 +
>  src/gallium/drivers/radeon/r600_perfcounter.c | 633 +++++++++++++++++++++++
>  src/gallium/drivers/radeon/r600_pipe_common.c |   1 +
>  src/gallium/drivers/radeon/r600_pipe_common.h |   7 +
>  src/gallium/drivers/radeon/r600_query.c       |  21 +-
>  src/gallium/drivers/radeon/r600_query.h       | 121 +++++
>  src/gallium/drivers/radeonsi/Makefile.sources |   1 +
>  src/gallium/drivers/radeonsi/si_perfcounter.c | 697 ++++++++++++++++++++++++++
>  src/gallium/drivers/radeonsi/si_pipe.c        |   3 +
>  src/gallium/drivers/radeonsi/si_pipe.h        |   3 +
>  10 files changed, 1485 insertions(+), 3 deletions(-)
>  create mode 100644 src/gallium/drivers/radeon/r600_perfcounter.c
>  create mode 100644 src/gallium/drivers/radeonsi/si_perfcounter.c
>
> diff --git a/src/gallium/drivers/radeon/Makefile.sources b/src/gallium/drivers/radeon/Makefile.sources
> index 1dbad2f..eb171f7 100644
> --- a/src/gallium/drivers/radeon/Makefile.sources
> +++ b/src/gallium/drivers/radeon/Makefile.sources
> @@ -4,6 +4,7 @@ C_SOURCES := \
>         r600_cs.h \
>         r600d_common.h \
>         r600_gpu_load.c \
> +       r600_perfcounter.c \
>         r600_pipe_common.c \
>         r600_pipe_common.h \
>         r600_query.c \
> diff --git a/src/gallium/drivers/radeon/r600_perfcounter.c b/src/gallium/drivers/radeon/r600_perfcounter.c
> new file mode 100644
> index 0000000..b4915d0
> --- /dev/null
> +++ b/src/gallium/drivers/radeon/r600_perfcounter.c
> @@ -0,0 +1,633 @@
> +/*
> + * Copyright 2015 Advanced Micro Devices, Inc.
> + *
> + * Permission is hereby granted, free of charge, to any person obtaining a
> + * copy of this software and associated documentation files (the "Software"),
> + * to deal in the Software without restriction, including without limitation
> + * the rights to use, copy, modify, merge, publish, distribute, sublicense,
> + * and/or sell copies of the Software, and to permit persons to whom the
> + * Software is furnished to do so, subject to the following conditions:
> + *
> + * The above copyright notice and this permission notice (including the next
> + * paragraph) shall be included in all copies or substantial portions of the
> + * Software.
> + *
> + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
> + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
> + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
> + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
> + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
> + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
> + * SOFTWARE.
> + *
> + * Authors:
> + *  Nicolai Hähnle <nicolai.haehnle at amd.com>
> + *
> + */
> +
> +#include "util/u_memory.h"
> +#include "r600_query.h"
> +#include "r600_pipe_common.h"
> +#include "r600d_common.h"
> +
> +/* Max counters per HW block */
> +#define R600_QUERY_MAX_COUNTERS 16
> +
> +static const char * const r600_pc_shader_suffix[] = {
> +       "", "_PS", "_VS", "_GS", "_ES", "_HS", "_LS", "_CS"
> +};
> +
> +static struct r600_perfcounter_block *
> +lookup_counter(struct r600_perfcounters *pc, unsigned index,
> +              unsigned *base_gid, unsigned *sub_index)
> +{
> +       struct r600_perfcounter_block *block = pc->blocks;
> +       unsigned bid;
> +
> +       *base_gid = 0;
> +       for (bid = 0; bid < pc->num_blocks; ++bid, ++block) {
> +               unsigned total = block->num_groups * block->num_selectors;
> +
> +               if (index < total) {
> +                       *sub_index = index;
> +                       return block;
> +               }
> +
> +               index -= total;
> +               *base_gid += block->num_groups;
> +       }
> +
> +       return NULL;
> +}
> +
> +static struct r600_perfcounter_block *
> +lookup_group(struct r600_perfcounters *pc, unsigned *index)
> +{
> +       unsigned bid;
> +       struct r600_perfcounter_block *block = pc->blocks;
> +
> +       for (bid = 0; bid < pc->num_blocks; ++bid, ++block) {
> +               if (*index < block->num_groups)
> +                       return block;
> +               *index -= block->num_groups;
> +       }
> +
> +       return NULL;
> +}
> +
> +struct r600_pc_group {
> +       struct r600_pc_group *next;
> +       struct r600_perfcounter_block *block;
> +       unsigned sub_gid; /* only used during init */
> +       unsigned result_base; /* only used during init */
> +       int se;
> +       int instance;
> +       unsigned num_counters;
> +       unsigned selectors[R600_QUERY_MAX_COUNTERS];
> +};
> +
> +struct r600_pc_counter {
> +       unsigned base;
> +       unsigned dwords;
> +       unsigned stride;
> +};
> +
> +struct r600_query_pc {
> +       struct r600_query_hw b;
> +
> +       unsigned shaders;
> +       unsigned num_counters;
> +       struct r600_pc_counter *counters;
> +       struct r600_pc_group *groups;
> +};
> +
> +static void r600_pc_query_destroy(struct r600_common_context *ctx,
> +                                 struct r600_query *rquery)
> +{
> +       struct r600_query_pc *query = (struct r600_query_pc *)rquery;
> +
> +       while (query->groups) {
> +               struct r600_pc_group *group = query->groups;
> +               query->groups = group->next;
> +               FREE(group);
> +       }
> +
> +       FREE(query->counters);
> +
> +       r600_query_hw_destroy(ctx, rquery);
> +}
> +
> +static void r600_pc_query_emit_start(struct r600_common_context *ctx,
> +                                    struct r600_query_hw *hwquery,
> +                                    struct r600_resource *buffer, uint64_t va)
> +{
> +       struct r600_perfcounters *pc = ctx->screen->perfcounters;
> +       struct r600_query_pc *query = (struct r600_query_pc *)hwquery;
> +       struct r600_pc_group *group;
> +       int current_se = -1;
> +       int current_instance = -1;
> +
> +       if (query->shaders)
> +               pc->emit_shaders(ctx, query->shaders);
> +
> +       for (group = query->groups; group; group = group->next) {
> +               struct r600_perfcounter_block *block = group->block;
> +
> +               if (group->se != current_se || group->instance != current_instance) {
> +                       current_se = group->se;
> +                       current_instance = group->instance;
> +                       pc->emit_instance(ctx, group->se, group->instance);
> +               }
> +
> +               pc->emit_select(ctx, block, group->num_counters, group->selectors);
> +       }
> +
> +       if (current_se != -1 || current_instance != -1)
> +               pc->emit_instance(ctx, -1, -1);
> +
> +       pc->emit_start(ctx, buffer, va);
> +}
> +
> +static void r600_pc_query_emit_stop(struct r600_common_context *ctx,
> +                                   struct r600_query_hw *hwquery,
> +                                   struct r600_resource *buffer, uint64_t va)
> +{
> +       struct r600_perfcounters *pc = ctx->screen->perfcounters;
> +       struct r600_query_pc *query = (struct r600_query_pc *)hwquery;
> +       struct r600_pc_group *group;
> +
> +       pc->emit_stop(ctx, buffer, va);
> +
> +       for (group = query->groups; group; group = group->next) {
> +               struct r600_perfcounter_block *block = group->block;
> +               unsigned se = group->se >= 0 ? group->se : 0;
> +               unsigned se_end = se + 1;
> +
> +               if ((block->flags & R600_PC_BLOCK_SE) && (group->se < 0))
> +                       se_end = ctx->screen->info.max_se;
> +
> +               do {
> +                       unsigned instance = group->instance >= 0 ? group->instance : 0;
> +
> +                       do {
> +                               pc->emit_instance(ctx, se, instance);
> +                               pc->emit_read(ctx, block,
> +                                             group->num_counters, group->selectors,
> +                                             buffer, va);
> +                               va += 4 * group->num_counters;
> +                       } while (group->instance < 0 && ++instance < block->num_instances);
> +               } while (++se < se_end);
> +       }
> +
> +       pc->emit_instance(ctx, -1, -1);
> +}
> +
> +static void r600_pc_query_clear_result(struct r600_query_hw *hwquery,
> +                                      union pipe_query_result *result)
> +{
> +       struct r600_query_pc *query = (struct r600_query_pc *)hwquery;
> +
> +       memset(result, 0, sizeof(result->batch[0]) * query->num_counters);
> +}
> +
> +static void r600_pc_query_add_result(struct r600_common_context *ctx,
> +                                    struct r600_query_hw *hwquery,
> +                                    void *buffer,
> +                                    union pipe_query_result *result)
> +{
> +       struct r600_query_pc *query = (struct r600_query_pc *)hwquery;
> +       uint32_t *results = buffer;
> +       unsigned i, j;
> +
> +       for (i = 0; i < query->num_counters; ++i) {
> +               struct r600_pc_counter *counter = &query->counters[i];
> +
> +               if (counter->base == ~0)
> +                       continue;
> +
> +               for (j = 0; j < counter->dwords; ++j) {
> +                       uint32_t value = results[counter->base + j * counter->stride];
> +                       result->batch[i].u32 += value;
> +               }
> +       }
> +}
> +
> +static struct r600_query_ops batch_query_ops = {
> +       .destroy = r600_pc_query_destroy,
> +       .begin = r600_query_hw_begin,
> +       .end = r600_query_hw_end,
> +       .get_result = r600_query_hw_get_result
> +};
> +
> +static struct r600_query_hw_ops batch_query_hw_ops = {
> +       .emit_start = r600_pc_query_emit_start,
> +       .emit_stop = r600_pc_query_emit_stop,
> +       .clear_result = r600_pc_query_clear_result,
> +       .add_result = r600_pc_query_add_result,
> +};
> +
> +static struct r600_pc_group *get_group_state(struct r600_common_screen *screen,
> +                                            struct r600_query_pc *query,
> +                                            struct r600_perfcounter_block *block,
> +                                            unsigned sub_gid)
> +{
> +       struct r600_pc_group *group = query->groups;
> +
> +       while (group) {
> +               if (group->block == block && group->sub_gid == sub_gid)
> +                       return group;
> +               group = group->next;
> +       }
> +
> +       group = CALLOC_STRUCT(r600_pc_group);
> +       if (!group)
> +               return NULL;
> +
> +       group->block = block;
> +       group->sub_gid = sub_gid;
> +
> +       if (block->flags & R600_PC_BLOCK_SHADER) {
> +               unsigned sub_gids = block->num_instances;
> +               unsigned shader_id;
> +               unsigned shader_mask;
> +               unsigned query_shader_mask;
> +
> +               if (block->flags & R600_PC_BLOCK_SE_GROUPS)
> +                       sub_gids = sub_gids * screen->info.max_se;
> +               shader_id = sub_gid / sub_gids;
> +               sub_gid = sub_gid % sub_gids;
> +
> +               if (shader_id == 0)
> +                       shader_mask = R600_PC_SHADER_ALL;
> +               else
> +                       shader_mask = 1 << (shader_id - 1);
> +
> +               query_shader_mask = query->shaders & R600_PC_SHADER_ALL;
> +               if (query_shader_mask && query_shader_mask != shader_mask) {
> +                       fprintf(stderr, "r600_perfcounter: incompatible shader groups\n");
> +                       FREE(group);
> +                       return NULL;
> +               }
> +               query->shaders |= shader_mask;
> +       }
> +
> +       if (block->flags & R600_PC_BLOCK_SHADER_WINDOWED)
> +               query->shaders |= R600_PC_SHADER_WINDOWING;
> +
> +       if (block->flags & R600_PC_BLOCK_SE_GROUPS) {
> +               group->se = sub_gid / block->num_instances;
> +               sub_gid = sub_gid % block->num_instances;
> +       } else {
> +               group->se = -1;
> +       }
> +
> +       if (block->flags & R600_PC_BLOCK_INSTANCE_GROUPS) {
> +               group->instance = sub_gid;
> +       } else {
> +               group->instance = -1;
> +       }
> +
> +       group->next = query->groups;
> +       query->groups = group;
> +
> +       return group;
> +}
> +
> +struct pipe_query *r600_create_batch_query(struct pipe_context *ctx,
> +                                          unsigned num_queries,
> +                                          unsigned *query_types)
> +{
> +       struct r600_common_context *rctx = (struct r600_common_context *)ctx;
> +       struct r600_common_screen *screen = rctx->screen;
> +       struct r600_perfcounters *pc = screen->perfcounters;
> +       struct r600_perfcounter_block *block;
> +       struct r600_pc_group *group;
> +       struct r600_query_pc *query;
> +       unsigned base_gid, sub_gid, sub_index;
> +       unsigned i, j;
> +
> +       if (!pc)
> +               return NULL;
> +
> +       query = CALLOC_STRUCT(r600_query_pc);
> +       if (!query)
> +               return NULL;
> +
> +       query->b.b.ops = &batch_query_ops;
> +       query->b.ops = &batch_query_hw_ops;
> +       query->b.flags = R600_QUERY_HW_FLAG_TIMER;
> +
> +       query->num_counters = num_queries;
> +
> +       /* Collect selectors per group */
> +       for (i = 0; i < num_queries; ++i) {
> +               unsigned sub_gid;
> +
> +               if (query_types[i] < R600_QUERY_FIRST_PERFCOUNTER)
> +                       goto error;
> +
> +               block = lookup_counter(pc, query_types[i] - R600_QUERY_FIRST_PERFCOUNTER,
> +                                      &base_gid, &sub_index);
> +               if (!block)
> +                       goto error;
> +
> +               sub_gid = sub_index / block->num_selectors;
> +               sub_index = sub_index % block->num_selectors;
> +
> +               group = get_group_state(screen, query, block, sub_gid);
> +               if (!group)
> +                       goto error;
> +
> +               if (group->num_counters >= block->num_counters) {
> +                       fprintf(stderr,
> +                               "perfcounter group %s: too many selected\n",
> +                               block->basename);
> +                       goto error;
> +               }
> +               group->selectors[group->num_counters] = sub_index;
> +               ++group->num_counters;
> +       }
> +
> +       /* Compute result bases and CS size per group */
> +       query->b.num_cs_dw_begin = pc->num_start_cs_dwords;
> +       query->b.num_cs_dw_end = pc->num_stop_cs_dwords;
> +
> +       query->b.num_cs_dw_begin += pc->num_instance_cs_dwords; /* conservative */
> +       query->b.num_cs_dw_end += pc->num_instance_cs_dwords;
> +
> +       i = 0;
> +       for (group = query->groups; group; group = group->next) {
> +               struct r600_perfcounter_block *block = group->block;
> +               unsigned select_dw, read_dw;
> +               unsigned instances = 1;
> +
> +               if ((block->flags & R600_PC_BLOCK_SE) && group->se < 0)
> +                       instances = rctx->screen->info.max_se;
> +               if (group->instance < 0)
> +                       instances *= block->num_instances;
> +
> +               group->result_base = i;
> +               query->b.result_size += 4 * instances * group->num_counters;
> +               i += instances * group->num_counters;
> +
> +               pc->get_size(block, group->num_counters, group->selectors,
> +                            &select_dw, &read_dw);
> +               query->b.num_cs_dw_begin += select_dw;
> +               query->b.num_cs_dw_end += instances * read_dw;
> +               query->b.num_cs_dw_begin += pc->num_instance_cs_dwords; /* conservative */
> +               query->b.num_cs_dw_end += instances * pc->num_instance_cs_dwords;
> +       }
> +
> +       if (query->shaders) {
> +               if ((query->shaders & R600_PC_SHADER_ALL) == 0)
> +                       query->shaders |= R600_PC_SHADER_ALL;
> +               query->b.num_cs_dw_begin += pc->num_shaders_cs_dwords;
> +       }
> +
> +       /* Map user-supplied query array to result indices */
> +       query->counters = CALLOC(num_queries, sizeof(*query->counters));
> +       for (i = 0; i < num_queries; ++i) {
> +               struct r600_pc_counter *counter = &query->counters[i];
> +               struct r600_perfcounter_block *block;
> +
> +               block = lookup_counter(pc, query_types[i] - R600_QUERY_FIRST_PERFCOUNTER,
> +                                      &base_gid, &sub_index);
> +
> +               sub_gid = sub_index / block->num_selectors;
> +               sub_index = sub_index % block->num_selectors;
> +
> +               group = get_group_state(screen, query, block, sub_gid);
> +               assert(group != NULL);
> +
> +               for (j = 0; j < group->num_counters; ++j) {
> +                       if (group->selectors[j] == sub_index)
> +                               break;
> +               }
> +
> +               counter->base = group->result_base + j;
> +               counter->stride = group->num_counters;
> +
> +               counter->dwords = 1;
> +               if ((block->flags & R600_PC_BLOCK_SE) && group->se < 0)
> +                       counter->dwords = screen->info.max_se;
> +               if (group->instance < 0)
> +                       counter->dwords *= block->num_instances;
> +       }
> +
> +       if (!r600_query_hw_init(rctx, &query->b))
> +               goto error;
> +
> +       return (struct pipe_query *)query;
> +
> +error:
> +       r600_pc_query_destroy(rctx, &query->b.b);
> +       return NULL;
> +}
> +
> +int r600_get_perfcounter_info(struct r600_common_screen *screen,
> +                             unsigned index,
> +                             struct pipe_driver_query_info *info)
> +{
> +       struct r600_perfcounters *pc = screen->perfcounters;
> +       struct r600_perfcounter_block *block;
> +       unsigned base_gid, sub;
> +
> +       if (!pc)
> +               return 0;
> +
> +       if (!info) {
> +               unsigned bid, num_queries = 0;
> +
> +               for (bid = 0; bid < pc->num_blocks; ++bid) {
> +                       num_queries += pc->blocks[bid].num_selectors *
> +                                      pc->blocks[bid].num_groups;
> +               }
> +
> +               return num_queries;
> +       }
> +
> +       block = lookup_counter(pc, index, &base_gid, &sub);
> +       if (!block)
> +               return 0;
> +
> +       info->name = block->selector_names + sub * block->selector_name_stride;
> +       info->query_type = R600_QUERY_FIRST_PERFCOUNTER + index;
> +       info->max_value.u64 = 0;
> +       info->type = PIPE_DRIVER_QUERY_TYPE_UINT;
> +       info->result_type = PIPE_DRIVER_QUERY_RESULT_TYPE_CUMULATIVE;
> +       info->group_id = base_gid + sub / block->num_selectors;
> +       info->flags = PIPE_DRIVER_QUERY_FLAG_BATCH;
> +       return 1;
> +}
> +
> +int r600_get_perfcounter_group_info(struct r600_common_screen *screen,
> +                                   unsigned index,
> +                                   struct pipe_driver_query_group_info *info)
> +{
> +       struct r600_perfcounters *pc = screen->perfcounters;
> +       struct r600_perfcounter_block *block;
> +
> +       if (!pc)
> +               return 0;
> +
> +       if (!info)
> +               return pc->num_groups;
> +
> +       block = lookup_group(pc, &index);
> +       if (!block)
> +               return 0;
> +       info->name = block->group_names + index * block->group_name_stride;
> +       info->num_queries = block->num_selectors;
> +       info->max_active_queries = block->num_counters;
> +       return 1;
> +}
> +
> +void r600_perfcounters_destroy(struct r600_common_screen *rscreen)
> +{
> +       if (rscreen->perfcounters)
> +               rscreen->perfcounters->cleanup(rscreen);
> +}
> +
> +boolean r600_perfcounters_init(struct r600_perfcounters *pc,
> +                              unsigned num_blocks)
> +{
> +       pc->blocks = CALLOC(num_blocks, sizeof(struct r600_perfcounter_block));
> +       if (!pc->blocks)
> +               return FALSE;
> +
> +       pc->separate_se = debug_get_bool_option("RADEON_PC_SEPARATE_SE", FALSE);
> +       pc->separate_instance = debug_get_bool_option("RADEON_PC_SEPARATE_INSTANCE", FALSE);
> +
> +       return TRUE;
> +}
> +
> +boolean r600_perfcounters_add_block(struct r600_common_screen *rscreen,
> +                                   struct r600_perfcounters *pc,
> +                                   const char *name, unsigned flags,
> +                                   unsigned counters, unsigned selectors,
> +                                   unsigned instances, void *data)
> +{
> +       struct r600_perfcounter_block *block = &pc->blocks[pc->num_blocks];
> +       unsigned i, j, k;
> +       unsigned groups_shader = 1, groups_se = 1, groups_instance = 1;
> +       unsigned namelen;
> +       char *groupname;
> +       char *p;
> +
> +       assert(counters <= R600_QUERY_MAX_COUNTERS);
> +
> +       block->basename = name;
> +       block->flags = flags;
> +       block->num_counters = counters;
> +       block->num_selectors = selectors;
> +       block->num_instances = MAX2(instances, 1);
> +       block->data = data;
> +
> +       if (pc->separate_se && (block->flags & R600_PC_BLOCK_SE))
> +               block->flags |= R600_PC_BLOCK_SE_GROUPS;
> +       if (pc->separate_instance && block->num_instances > 1)
> +               block->flags |= R600_PC_BLOCK_INSTANCE_GROUPS;
> +
> +       if (block->flags & R600_PC_BLOCK_INSTANCE_GROUPS) {
> +               groups_instance = block->num_instances;
> +               block->num_groups = groups_instance;
> +       } else {
> +               block->num_groups = 1;
> +       }
> +
> +       if (block->flags & R600_PC_BLOCK_SE_GROUPS) {
> +               groups_se = rscreen->info.max_se;
> +               block->num_groups *= groups_se;
> +       }
> +
> +       if (block->flags & R600_PC_BLOCK_SHADER) {
> +               groups_shader = ARRAY_SIZE(r600_pc_shader_suffix);
> +               block->num_groups *= groups_shader;
> +       }
> +
> +       namelen = strlen(name);
> +       block->group_name_stride = namelen + 1;
> +       if (block->flags & R600_PC_BLOCK_SHADER)
> +               block->group_name_stride += 3;
> +       if (block->flags & R600_PC_BLOCK_SE_GROUPS) {
> +               assert(groups_se <= 10);
> +               block->group_name_stride += 1;
> +
> +               if (block->flags & R600_PC_BLOCK_INSTANCE_GROUPS)
> +                       block->group_name_stride += 1;
> +       }
> +       if (block->flags & R600_PC_BLOCK_INSTANCE_GROUPS) {
> +               assert(groups_instance <= 100);
> +               block->group_name_stride += 2;
> +       }
> +
> +       block->group_names = MALLOC(block->num_groups * block->group_name_stride);
> +       if (!block->group_names)
> +               goto error;
> +
> +       groupname = block->group_names;
> +       for (i = 0; i < groups_shader; ++i) {
> +               unsigned shaderlen = strlen(r600_pc_shader_suffix[i]);
> +               for (j = 0; j < groups_se; ++j) {
> +                       for (k = 0; k < groups_instance; ++k) {
> +                               strcpy(groupname, name);
> +                               p = groupname + namelen;
> +
> +                               if (block->flags & R600_PC_BLOCK_SHADER) {
> +                                       strcpy(p, r600_pc_shader_suffix[i]);
> +                                       p += shaderlen;
> +                               }
> +
> +                               if (block->flags & R600_PC_BLOCK_SE_GROUPS) {
> +                                       p += sprintf(p, "%d", j);
> +                                       if (block->flags & R600_PC_BLOCK_INSTANCE_GROUPS)
> +                                               *p++ = '_';
> +                               }
> +
> +                               if (block->flags & R600_PC_BLOCK_INSTANCE_GROUPS)
> +                                       p += sprintf(p, "%d", k);
> +
> +                               groupname += block->group_name_stride;
> +                       }
> +               }
> +       }
> +
> +       assert(selectors <= 1000);
> +       block->selector_name_stride = block->group_name_stride + 4;
> +       block->selector_names = MALLOC(block->num_groups * selectors *
> +                                      block->selector_name_stride);
> +       if (!block->selector_names)
> +               goto error_groupnames;
> +
> +       groupname = block->group_names;
> +       p = block->selector_names;
> +       for (i = 0; i < block->num_groups; ++i) {
> +               for (j = 0; j < selectors; ++j) {
> +                       sprintf(p, "%s_%03d", groupname, j);
> +                       p += block->selector_name_stride;
> +               }
> +               groupname += block->group_name_stride;
> +       }
> +
> +       ++pc->num_blocks;
> +       pc->num_groups += block->num_groups;
> +
> +       return TRUE;
> +
> +error_groupnames:
> +       FREE(block->group_names);
> +error:
> +       return FALSE;
> +}
> +
> +void r600_perfcounters_do_destroy(struct r600_perfcounters *pc)
> +{
> +       unsigned i;
> +
> +       for (i = 0; i < pc->num_blocks; ++i) {
> +               FREE(pc->blocks[i].group_names);
> +               FREE(pc->blocks[i].selector_names);
> +       }
> +       FREE(pc->blocks);
> +       FREE(pc);
> +}
> diff --git a/src/gallium/drivers/radeon/r600_pipe_common.c b/src/gallium/drivers/radeon/r600_pipe_common.c
> index 7464f67..f03dcd9 100644
> --- a/src/gallium/drivers/radeon/r600_pipe_common.c
> +++ b/src/gallium/drivers/radeon/r600_pipe_common.c
> @@ -977,6 +977,7 @@ bool r600_common_screen_init(struct r600_common_screen *rscreen,
>
>  void r600_destroy_common_screen(struct r600_common_screen *rscreen)
>  {
> +       r600_perfcounters_destroy(rscreen);
>         r600_gpu_load_kill_thread(rscreen);
>
>         pipe_mutex_destroy(rscreen->gpu_load_mutex);
> diff --git a/src/gallium/drivers/radeon/r600_pipe_common.h b/src/gallium/drivers/radeon/r600_pipe_common.h
> index fbdc5c4..253d657 100644
> --- a/src/gallium/drivers/radeon/r600_pipe_common.h
> +++ b/src/gallium/drivers/radeon/r600_pipe_common.h
> @@ -90,6 +90,7 @@
>  #define R600_MAP_BUFFER_ALIGNMENT 64
>
>  struct r600_common_context;
> +struct r600_perfcounters;
>
>  struct radeon_shader_reloc {
>         char *name;
> @@ -300,6 +301,9 @@ struct r600_common_screen {
>         volatile unsigned               gpu_load_stop_thread; /* bool */
>
>         char                            renderer_string[64];
> +
> +       /* Performance counters. */
> +       struct r600_perfcounters        *perfcounters;
>  };
>
>  /* This encapsulates a state or an operation which can emitted into the GPU
> @@ -508,6 +512,9 @@ void r600_gpu_load_kill_thread(struct r600_common_screen *rscreen);
>  uint64_t r600_gpu_load_begin(struct r600_common_screen *rscreen);
>  unsigned r600_gpu_load_end(struct r600_common_screen *rscreen, uint64_t begin);
>
> +/* r600_perfcounters.c */
> +void r600_perfcounters_destroy(struct r600_common_screen *rscreen);
> +
>  /* r600_query.c */
>  void r600_init_screen_query_functions(struct r600_common_screen *rscreen);
>  void r600_query_init(struct r600_common_context *rctx);
> diff --git a/src/gallium/drivers/radeon/r600_query.c b/src/gallium/drivers/radeon/r600_query.c
> index 38bbbbf..09eabab 100644
> --- a/src/gallium/drivers/radeon/r600_query.c
> +++ b/src/gallium/drivers/radeon/r600_query.c
> @@ -1141,11 +1141,15 @@ static int r600_get_driver_query_info(struct pipe_screen *screen,
>         struct r600_common_screen *rscreen = (struct r600_common_screen*)screen;
>         unsigned num_queries = r600_get_num_queries(rscreen);
>
> -       if (!info)
> -               return num_queries;
> +       if (!info) {
> +               unsigned num_perfcounters =
> +                       r600_get_perfcounter_info(rscreen, 0, NULL);
> +
> +               return num_queries + num_perfcounters;
> +       }
>
>         if (index >= num_queries)
> -               return 0;
> +               return r600_get_perfcounter_info(rscreen, index - num_queries, info);
>
>         *info = r600_driver_query_list[index];
>
> @@ -1166,9 +1170,19 @@ static int r600_get_driver_query_info(struct pipe_screen *screen,
>         return 1;
>  }
>
> +static int r600_get_driver_query_group_info(struct pipe_screen *screen,
> +                                           unsigned index,
> +                                           struct pipe_driver_query_group_info *info)
> +{
> +       struct r600_common_screen *rscreen = (struct r600_common_screen *)screen;
> +
> +       return r600_get_perfcounter_group_info(rscreen, index, info);
> +}
> +
>  void r600_query_init(struct r600_common_context *rctx)
>  {
>         rctx->b.create_query = r600_create_query;
> +       rctx->b.create_batch_query = r600_create_batch_query;
>         rctx->b.destroy_query = r600_destroy_query;
>         rctx->b.begin_query = r600_begin_query;
>         rctx->b.end_query = r600_end_query;
> @@ -1185,4 +1199,5 @@ void r600_query_init(struct r600_common_context *rctx)
>  void r600_init_screen_query_functions(struct r600_common_screen *rscreen)
>  {
>         rscreen->b.get_driver_query_info = r600_get_driver_query_info;
> +       rscreen->b.get_driver_query_group_info = r600_get_driver_query_group_info;
>  }
> diff --git a/src/gallium/drivers/radeon/r600_query.h b/src/gallium/drivers/radeon/r600_query.h
> index 0ea5707..64ac916 100644
> --- a/src/gallium/drivers/radeon/r600_query.h
> +++ b/src/gallium/drivers/radeon/r600_query.h
> @@ -31,7 +31,11 @@
>  #include "pipe/p_defines.h"
>  #include "util/list.h"
>
> +struct pipe_context;
> +struct pipe_query;
> +
>  struct r600_common_context;
> +struct r600_common_screen;
>  struct r600_query;
>  struct r600_query_hw;
>  struct r600_resource;
> @@ -133,4 +137,121 @@ boolean r600_query_hw_get_result(struct r600_common_context *rctx,
>                                  boolean wait,
>                                  union pipe_query_result *result);
>
> +/* Performance counters */
> +enum {
> +       /* This block is part of the shader engine */
> +       R600_PC_BLOCK_SE = (1 << 0),
> +
> +       /* Expose per-instance groups instead of summing all instances (within
> +        * an SE). */
> +       R600_PC_BLOCK_INSTANCE_GROUPS = (1 << 1),
> +
> +       /* Expose per-SE groups instead of summing instances across SEs. */
> +       R600_PC_BLOCK_SE_GROUPS = (1 << 2),
> +
> +       /* Shader block */
> +       R600_PC_BLOCK_SHADER = (1 << 3),
> +
> +       /* Non-shader block with perfcounters windowed by shaders. */
> +       R600_PC_BLOCK_SHADER_WINDOWED = (1 << 4),
> +};
> +
> +/* Shader enable bits. Chosen to coincide with SQ_PERFCOUNTER_CTRL values */
> +enum {
> +       R600_PC_SHADER_PS = (1 << 0),
> +       R600_PC_SHADER_VS = (1 << 1),
> +       R600_PC_SHADER_GS = (1 << 2),
> +       R600_PC_SHADER_ES = (1 << 3),
> +       R600_PC_SHADER_HS = (1 << 4),
> +       R600_PC_SHADER_LS = (1 << 5),
> +       R600_PC_SHADER_CS = (1 << 6),
> +
> +       R600_PC_SHADER_ALL = R600_PC_SHADER_PS | R600_PC_SHADER_VS |
> +                            R600_PC_SHADER_GS | R600_PC_SHADER_ES |
> +                            R600_PC_SHADER_HS | R600_PC_SHADER_LS |
> +                            R600_PC_SHADER_CS,
> +
> +       R600_PC_SHADER_WINDOWING = (1 << 31),
> +};
> +
> +/* Describes a hardware block with performance counters. Multiple instances of
> + * each block, possibly per-SE, may exist on the chip. Depending on the block
> + * and on the user's configuration, we either
> + *  (a) expose every instance as a performance counter group,
> + *  (b) expose a single performance counter group that reports the sum over all
> + *      instances, or
> + *  (c) expose one performance counter group per instance, but summed over all
> + *      shader engines.
> + */
> +struct r600_perfcounter_block {
> +       const char *basename;
> +       unsigned flags;
> +       unsigned num_counters;
> +       unsigned num_selectors;
> +       unsigned num_instances;
> +
> +       unsigned num_groups;
> +       char *group_names;
> +       unsigned group_name_stride;
> +
> +       char *selector_names;
> +       unsigned selector_name_stride;
> +
> +       void *data;
> +};
> +
> +struct r600_perfcounters {
> +       unsigned num_groups;
> +       unsigned num_blocks;
> +       struct r600_perfcounter_block *blocks;
> +
> +       unsigned num_start_cs_dwords;
> +       unsigned num_stop_cs_dwords;
> +       unsigned num_instance_cs_dwords;
> +       unsigned num_shaders_cs_dwords;
> +
> +       void (*get_size)(struct r600_perfcounter_block *,
> +                        unsigned count, unsigned *selectors,
> +                        unsigned *num_select_dw, unsigned *num_read_dw);
> +
> +       void (*emit_instance)(struct r600_common_context *,
> +                             int se, int instance);
> +       void (*emit_shaders)(struct r600_common_context *, unsigned shaders);
> +       void (*emit_select)(struct r600_common_context *,
> +                           struct r600_perfcounter_block *,
> +                           unsigned count, unsigned *selectors);
> +       void (*emit_start)(struct r600_common_context *,
> +                         struct r600_resource *buffer, uint64_t va);
> +       void (*emit_stop)(struct r600_common_context *,
> +                         struct r600_resource *buffer, uint64_t va);
> +       void (*emit_read)(struct r600_common_context *,
> +                         struct r600_perfcounter_block *,
> +                         unsigned count, unsigned *selectors,
> +                         struct r600_resource *buffer, uint64_t va);
> +
> +       void (*cleanup)(struct r600_common_screen *);
> +
> +       boolean separate_se;
> +       boolean separate_instance;
> +};
> +
> +struct pipe_query *r600_create_batch_query(struct pipe_context *ctx,
> +                                          unsigned num_queries,
> +                                          unsigned *query_types);
> +
> +int r600_get_perfcounter_info(struct r600_common_screen *,
> +                             unsigned index,
> +                             struct pipe_driver_query_info *info);
> +int r600_get_perfcounter_group_info(struct r600_common_screen *,
> +                                   unsigned index,
> +                                   struct pipe_driver_query_group_info *info);
> +
> +boolean r600_perfcounters_init(struct r600_perfcounters *, unsigned num_blocks);
> +boolean r600_perfcounters_add_block(struct r600_common_screen *,
> +                                   struct r600_perfcounters *,
> +                                   const char *name, unsigned flags,
> +                                   unsigned counters, unsigned selectors,
> +                                   unsigned instances, void *data);
> +void r600_perfcounters_do_destroy(struct r600_perfcounters *);
> +
>  #endif /* R600_QUERY_H */
> diff --git a/src/gallium/drivers/radeonsi/Makefile.sources b/src/gallium/drivers/radeonsi/Makefile.sources
> index 7e997c6..53404ab 100644
> --- a/src/gallium/drivers/radeonsi/Makefile.sources
> +++ b/src/gallium/drivers/radeonsi/Makefile.sources
> @@ -12,6 +12,7 @@ C_SOURCES := \
>         si_pipe.h \
>         si_pm4.c \
>         si_pm4.h \
> +       si_perfcounter.c \
>         si_public.h \
>         si_shader.c \
>         si_shader.h \
> diff --git a/src/gallium/drivers/radeonsi/si_perfcounter.c b/src/gallium/drivers/radeonsi/si_perfcounter.c
> new file mode 100644
> index 0000000..974a31b
> --- /dev/null
> +++ b/src/gallium/drivers/radeonsi/si_perfcounter.c
> @@ -0,0 +1,697 @@
> +/*
> + * Copyright 2015 Advanced Micro Devices, Inc.
> + *
> + * Permission is hereby granted, free of charge, to any person obtaining a
> + * copy of this software and associated documentation files (the "Software"),
> + * to deal in the Software without restriction, including without limitation
> + * the rights to use, copy, modify, merge, publish, distribute, sublicense,
> + * and/or sell copies of the Software, and to permit persons to whom the
> + * Software is furnished to do so, subject to the following conditions:
> + *
> + * The above copyright notice and this permission notice (including the next
> + * paragraph) shall be included in all copies or substantial portions of the
> + * Software.
> + *
> + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
> + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
> + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
> + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
> + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
> + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
> + * SOFTWARE.
> + *
> + * Authors:
> + *  Nicolai Hähnle <nicolai.haehnle at amd.com>
> + *
> + */
> +
> +#include "radeon/r600_cs.h"
> +#include "radeon/r600_query.h"
> +#include "radeon/r600_pipe_common.h"
> +#include "util/u_memory.h"
> +
> +#include "si_pipe.h"
> +#include "sid.h"
> +
> +enum si_pc_reg_layout {
> +       /* All secondary selector dwords follow as one block after the primary
> +        * selector dwords for the counters that have secondary selectors.
> +        */
> +       SI_PC_MULTI_BLOCK = 0,
> +
> +       /* Each secondary selector dword follows immediately afters the
> +        * corresponding primary.
> +        */
> +       SI_PC_MULTI_ALTERNATE = 1,
> +
> +       /* All secondary selector dwords follow as one block after all primary
> +        * selector dwords.
> +        */
> +       SI_PC_MULTI_TAIL = 2,
> +
> +       /* Free-form arrangement of selector registers. */
> +       SI_PC_MULTI_CUSTOM = 3,
> +
> +       SI_PC_MULTI_MASK = 3,
> +
> +       /* Registers are laid out in decreasing rather than increasing order. */
> +       SI_PC_REG_REVERSE = 4,
> +};
> +
> +struct si_pc_block_base {
> +       const char *name;
> +       unsigned num_counters;
> +       unsigned flags;
> +
> +       unsigned select_or;
> +       unsigned select0;
> +       unsigned counter0_lo;
> +       unsigned *select;
> +       unsigned *counters;
> +       unsigned num_multi;
> +       unsigned num_prelude;
> +       unsigned layout;
> +};
> +
> +struct si_pc_block {
> +       struct si_pc_block_base *b;
> +       unsigned selectors;
> +       unsigned instances;
> +};
> +
> +
> +static struct si_pc_block_base cik_CB = {
> +       .name = "CB",
> +       .num_counters = 4,
> +       .flags = R600_PC_BLOCK_SE | R600_PC_BLOCK_INSTANCE_GROUPS,
> +
> +       .select0 = R_037000_CB_PERFCOUNTER_FILTER,
> +       .counter0_lo = R_035018_CB_PERFCOUNTER0_LO,
> +       .num_multi = 1,
> +       .num_prelude = 1,
> +       .layout = SI_PC_MULTI_ALTERNATE,
> +};
> +
> +static unsigned cik_CPC_select[] = {
> +       R_036024_CPC_PERFCOUNTER0_SELECT,
> +       R_036010_CPC_PERFCOUNTER0_SELECT1,
> +       R_03600C_CPC_PERFCOUNTER1_SELECT,
> +};
> +static struct si_pc_block_base cik_CPC = {
> +       .name = "CPC",
> +       .num_counters = 2,
> +
> +       .select = cik_CPC_select,
> +       .counter0_lo = R_034018_CPC_PERFCOUNTER0_LO,
> +       .num_multi = 1,
> +       .layout = SI_PC_MULTI_CUSTOM | SI_PC_REG_REVERSE,
> +};
> +
> +static struct si_pc_block_base cik_CPF = {
> +       .name = "CPF",
> +       .num_counters = 2,
> +
> +       .select0 = R_03601C_CPF_PERFCOUNTER0_SELECT,
> +       .counter0_lo = R_034028_CPF_PERFCOUNTER0_LO,
> +       .num_multi = 1,
> +       .layout = SI_PC_MULTI_ALTERNATE | SI_PC_REG_REVERSE,
> +};
> +
> +static struct si_pc_block_base cik_CPG = {
> +       .name = "CPG",
> +       .num_counters = 2,
> +
> +       .select0 = R_036008_CPG_PERFCOUNTER0_SELECT,
> +       .counter0_lo = R_034008_CPG_PERFCOUNTER0_LO,
> +       .num_multi = 1,
> +       .layout = SI_PC_MULTI_ALTERNATE | SI_PC_REG_REVERSE,
> +};
> +
> +static struct si_pc_block_base cik_DB = {
> +       .name = "DB",
> +       .num_counters = 4,
> +       .flags = R600_PC_BLOCK_SE | R600_PC_BLOCK_INSTANCE_GROUPS,
> +
> +       .select0 = R_037100_DB_PERFCOUNTER0_SELECT,
> +       .counter0_lo = R_035100_DB_PERFCOUNTER0_LO,
> +       .num_multi = 3, // really only 2, but there's a gap between registers
> +       .layout = SI_PC_MULTI_ALTERNATE,
> +};
> +
> +static struct si_pc_block_base cik_GDS = {
> +       .name = "GDS",
> +       .num_counters = 4,
> +
> +       .select0 = R_036A00_GDS_PERFCOUNTER0_SELECT,
> +       .counter0_lo = R_034A00_GDS_PERFCOUNTER0_LO,
> +       .num_multi = 1,
> +       .layout = SI_PC_MULTI_TAIL,
> +};
> +
> +static unsigned cik_GRBM_counters[] = {
> +       R_034100_GRBM_PERFCOUNTER0_LO,
> +       R_03410C_GRBM_PERFCOUNTER1_LO,
> +};
> +static struct si_pc_block_base cik_GRBM = {
> +       .name = "GRBM",
> +       .num_counters = 2,
> +
> +       .select0 = R_036100_GRBM_PERFCOUNTER0_SELECT,
> +       .counters = cik_GRBM_counters,
> +};
> +
> +static struct si_pc_block_base cik_GRBMSE = {
> +       .name = "GRBMSE",
> +       .num_counters = 4,
> +
> +       .select0 = R_036108_GRBM_SE0_PERFCOUNTER_SELECT,
> +       .counter0_lo = R_034114_GRBM_SE0_PERFCOUNTER_LO,
> +};
> +
> +static struct si_pc_block_base cik_IA = {
> +       .name = "IA",
> +       .num_counters = 4,
> +
> +       .select0 = R_036210_IA_PERFCOUNTER0_SELECT,
> +       .counter0_lo = R_034220_IA_PERFCOUNTER0_LO,
> +       .num_multi = 1,
> +       .layout = SI_PC_MULTI_TAIL,
> +};
> +
> +static struct si_pc_block_base cik_PA_SC = {
> +       .name = "PA_SC",
> +       .num_counters = 8,
> +       .flags = R600_PC_BLOCK_SE,
> +
> +       .select0 = R_036500_PA_SC_PERFCOUNTER0_SELECT,
> +       .counter0_lo = R_034500_PA_SC_PERFCOUNTER0_LO,
> +       .num_multi = 1,
> +       .layout = SI_PC_MULTI_ALTERNATE,
> +};
> +
> +static struct si_pc_block_base cik_PA_SU = {
> +       .name = "PA_SU",
> +       .num_counters = 4,
> +       .flags = R600_PC_BLOCK_SE,
> +
> +       .select0 = R_036400_PA_SU_PERFCOUNTER0_SELECT,
> +       .counter0_lo = R_034400_PA_SU_PERFCOUNTER0_LO,
> +       .num_multi = 2,
> +       .layout = SI_PC_MULTI_ALTERNATE,
> +};
> +
> +static struct si_pc_block_base cik_SPI = {
> +       .name = "SPI",
> +       .num_counters = 6,
> +       .flags = R600_PC_BLOCK_SE,
> +
> +       .select0 = R_036600_SPI_PERFCOUNTER0_SELECT,
> +       .counter0_lo = R_034604_SPI_PERFCOUNTER0_LO,
> +       .num_multi = 4,
> +       .layout = SI_PC_MULTI_BLOCK,
> +};
> +
> +static struct si_pc_block_base cik_SQ = {
> +       .name = "SQ",
> +       .num_counters = 16,
> +       .flags = R600_PC_BLOCK_SE | R600_PC_BLOCK_SHADER,
> +
> +       .select0 = R_036700_SQ_PERFCOUNTER0_SELECT,
> +       .select_or = S_036700_SQC_BANK_MASK(15) |
> +                       S_036700_SQC_CLIENT_MASK(15) |
> +                       S_036700_SIMD_MASK(15),
> +       .counter0_lo = R_034700_SQ_PERFCOUNTER0_LO,
> +};
> +
> +static struct si_pc_block_base cik_SX = {
> +       .name = "SX",
> +       .num_counters = 4,
> +       .flags = R600_PC_BLOCK_SE,
> +
> +       .select0 = R_036900_SX_PERFCOUNTER0_SELECT,
> +       .counter0_lo = R_034900_SX_PERFCOUNTER0_LO,
> +       .num_multi = 2,
> +       .layout = SI_PC_MULTI_TAIL,
> +};
> +
> +static struct si_pc_block_base cik_TA = {
> +       .name = "TA",
> +       .num_counters = 2,
> +       .flags = R600_PC_BLOCK_SE | R600_PC_BLOCK_INSTANCE_GROUPS | R600_PC_BLOCK_SHADER_WINDOWED,
> +
> +       .select0 = R_036B00_TA_PERFCOUNTER0_SELECT,
> +       .counter0_lo = R_034B00_TA_PERFCOUNTER0_LO,
> +       .num_multi = 1,
> +       .layout = SI_PC_MULTI_ALTERNATE,
> +};
> +
> +static struct si_pc_block_base cik_TD = {
> +       .name = "TD",
> +       .num_counters = 2,
> +       .flags = R600_PC_BLOCK_SE | R600_PC_BLOCK_INSTANCE_GROUPS | R600_PC_BLOCK_SHADER_WINDOWED,
> +
> +       .select0 = R_036C00_TD_PERFCOUNTER0_SELECT,
> +       .counter0_lo = R_034C00_TD_PERFCOUNTER0_LO,
> +       .num_multi = 1,
> +       .layout = SI_PC_MULTI_ALTERNATE,
> +};
> +
> +static struct si_pc_block_base cik_TCA = {
> +       .name = "TCA",
> +       .num_counters = 4,
> +       .flags = R600_PC_BLOCK_INSTANCE_GROUPS,
> +
> +       .select0 = R_036E40_TCA_PERFCOUNTER0_SELECT,
> +       .counter0_lo = R_034E40_TCA_PERFCOUNTER0_LO,
> +       .num_multi = 2,
> +       .layout = SI_PC_MULTI_ALTERNATE,
> +};
> +
> +static struct si_pc_block_base cik_TCC = {
> +       .name = "TCC",
> +       .num_counters = 4,
> +       .flags = R600_PC_BLOCK_INSTANCE_GROUPS,
> +
> +       .select0 = R_036E00_TCC_PERFCOUNTER0_SELECT,
> +       .counter0_lo = R_034E00_TCC_PERFCOUNTER0_LO,
> +       .num_multi = 2,
> +       .layout = SI_PC_MULTI_ALTERNATE,
> +};
> +
> +static struct si_pc_block_base cik_TCP = {
> +       .name = "TCP",
> +       .num_counters = 4,
> +       .flags = R600_PC_BLOCK_SE | R600_PC_BLOCK_INSTANCE_GROUPS | R600_PC_BLOCK_SHADER_WINDOWED,
> +
> +       .select0 = R_036D00_TCP_PERFCOUNTER0_SELECT,
> +       .counter0_lo = R_034D00_TCP_PERFCOUNTER0_LO,
> +       .num_multi = 2,
> +       .layout = SI_PC_MULTI_ALTERNATE,
> +};
> +
> +static struct si_pc_block_base cik_VGT = {
> +       .name = "VGT",
> +       .num_counters = 4,
> +       .flags = R600_PC_BLOCK_SE,
> +
> +       .select0 = R_036230_VGT_PERFCOUNTER0_SELECT,
> +       .counter0_lo = R_034240_VGT_PERFCOUNTER0_LO,
> +       .num_multi = 1,
> +       .layout = SI_PC_MULTI_TAIL,
> +};
> +
> +static struct si_pc_block_base cik_WD = {
> +       .name = "WD",
> +       .num_counters = 4,
> +
> +       .select0 = R_036200_WD_PERFCOUNTER0_SELECT,
> +       .counter0_lo = R_034200_WD_PERFCOUNTER0_LO,
> +};
> +
> +/* Both the number of instances and selectors varies between chips of the same
> + * class. We only differentiate by class here and simply expose the maximum
> + * number over all chips in a class.
> + */
> +static struct si_pc_block groups_CIK[] = {
> +       { &cik_CB, 226, 4 },
> +       { &cik_CPC, 22 },
> +       { &cik_CPF, 17 },
> +       { &cik_CPG, 46 },
> +       { &cik_DB, 257, 4 },
> +       { &cik_GDS, 121 },
> +       { &cik_GRBM, 34 },
> +       { &cik_GRBMSE, 15 },
> +       { &cik_IA, 22 },
> +       { &cik_PA_SC, 395 },
> +       { &cik_PA_SU, 153 },
> +       { &cik_SPI, 186 },
> +       { &cik_SQ, 252 },
> +       { &cik_SX, 32 },
> +       { &cik_TA, 111, 11 },
> +       { &cik_TCA, 39, 2 },
> +       { &cik_TCC, 160, 16 },
> +       { &cik_TCP, 154, 11 },
> +       { &cik_TD, 55, 11 },
> +       { &cik_VGT, 140 },
> +       { &cik_WD, 22 },
> +};
> +
> +static struct si_pc_block groups_VI[] = {
> +       { &cik_CB, 396, 4 },
> +       { &cik_CPC, 24 },
> +       { &cik_CPF, 19 },
> +       { &cik_CPG, 48 },
> +       { &cik_DB, 257, 4 },
> +       { &cik_GDS, 121 },
> +       { &cik_GRBM, 34 },
> +       { &cik_GRBMSE, 15 },
> +       { &cik_IA, 24 },
> +       { &cik_PA_SC, 397 },
> +       { &cik_PA_SU, 153 },
> +       { &cik_SPI, 197 },
> +       { &cik_SQ, 273 },
> +       { &cik_SX, 34 },
> +       { &cik_TA, 119, 16 },
> +       { &cik_TCA, 35, 2 },
> +       { &cik_TCC, 192, 16 },
> +       { &cik_TCP, 180, 16 },
> +       { &cik_TD, 55, 16 },
> +       { &cik_VGT, 147 },
> +       { &cik_WD, 37 },
> +};
> +
> +static void si_pc_get_size(struct r600_perfcounter_block *group,
> +                       unsigned count, unsigned *selectors,
> +                       unsigned *num_select_dw, unsigned *num_read_dw)
> +{
> +       struct si_pc_block *sigroup = (struct si_pc_block *)group->data;
> +       struct si_pc_block_base *regs = sigroup->b;
> +       unsigned layout_multi = regs->layout & SI_PC_MULTI_MASK;
> +
> +       if (layout_multi == SI_PC_MULTI_BLOCK) {
> +               if (count < regs->num_multi)
> +                       *num_select_dw = 2 * (count + 2) + regs->num_prelude;
> +               else
> +                       *num_select_dw = 2 + count + regs->num_multi + regs->num_prelude;
> +       } else if (layout_multi == SI_PC_MULTI_TAIL) {
> +               *num_select_dw = 4 + count + MIN2(count, regs->num_multi) + regs->num_prelude;
> +       } else if (layout_multi == SI_PC_MULTI_CUSTOM) {
> +               assert(regs->num_prelude == 0);
> +               *num_select_dw = 3 * (count + MIN2(count, regs->num_multi));
> +       } else {
> +               assert(layout_multi == SI_PC_MULTI_ALTERNATE);
> +
> +               *num_select_dw = 2 + count + MIN2(count, regs->num_multi) + regs->num_prelude;
> +       }
> +
> +       *num_read_dw = 6 * count;
> +}
> +
> +static void si_pc_emit_instance(struct r600_common_context *ctx,
> +                               int se, int instance)
> +{
> +       struct radeon_winsys_cs *cs = ctx->gfx.cs;
> +       unsigned value = S_030800_SH_BROADCAST_WRITES(1);
> +
> +       if (se >= 0) {
> +               value |= S_030800_SE_INDEX(se);
> +       } else {
> +               value |= S_030800_SE_BROADCAST_WRITES(1);
> +       }
> +
> +       if (instance >= 0) {
> +               value |= S_030800_INSTANCE_INDEX(instance);
> +       } else {
> +               value |= S_030800_INSTANCE_BROADCAST_WRITES(1);
> +       }
> +
> +       radeon_set_uconfig_reg(cs, R_030800_GRBM_GFX_INDEX, value);
> +}
> +
> +static void si_pc_emit_shaders(struct r600_common_context *ctx,
> +                              unsigned shaders)
> +{
> +       struct radeon_winsys_cs *cs = ctx->gfx.cs;
> +
> +       radeon_set_uconfig_reg_seq(cs, R_036780_SQ_PERFCOUNTER_CTRL, 2);
> +       radeon_emit(cs, shaders & 0x7f);
> +       radeon_emit(cs, 0xffffffff);
> +}
> +
> +static void si_pc_emit_select(struct r600_common_context *ctx,
> +                       struct r600_perfcounter_block *group,
> +                       unsigned count, unsigned *selectors)
> +{
> +       struct si_pc_block *sigroup = (struct si_pc_block *)group->data;
> +       struct si_pc_block_base *regs = sigroup->b;
> +       struct radeon_winsys_cs *cs = ctx->gfx.cs;
> +       unsigned idx;
> +       unsigned layout_multi = regs->layout & SI_PC_MULTI_MASK;
> +       unsigned dw;
> +
> +       assert(count <= regs->num_counters);
> +
> +       if (layout_multi == SI_PC_MULTI_BLOCK) {
> +               assert(!(regs->layout & SI_PC_REG_REVERSE));
> +
> +               dw = count + regs->num_prelude;
> +               if (count >= regs->num_multi)
> +                       count += regs->num_multi;
> +               radeon_set_uconfig_reg_seq(cs, regs->select0, dw);
> +               for (idx = 0; idx < regs->num_prelude; ++idx)
> +                       radeon_emit(cs, 0);
> +               for (idx = 0; idx < MIN2(count, regs->num_multi); ++idx)
> +                       radeon_emit(cs, selectors[idx] | regs->select_or);
> +
> +               if (count < regs->num_multi) {
> +                       unsigned select1 =
> +                               regs->select0 + 4 * regs->num_multi;
> +                       radeon_set_uconfig_reg_seq(cs, select1, count);
> +               }
> +
> +               for (idx = 0; idx < MIN2(count, regs->num_multi); ++idx)
> +                       radeon_emit(cs, 0);
> +
> +               if (count > regs->num_multi) {
> +                       for (idx = regs->num_multi; idx < count; ++idx)
> +                               radeon_emit(cs, selectors[idx] | regs->select_or);
> +               }
> +       } else if (layout_multi == SI_PC_MULTI_TAIL) {
> +               unsigned select1, select1_count;
> +
> +               assert(!(regs->layout & SI_PC_REG_REVERSE));
> +
> +               radeon_set_uconfig_reg_seq(cs, regs->select0, count + regs->num_prelude);
> +               for (idx = 0; idx < regs->num_prelude; ++idx)
> +                       radeon_emit(cs, 0);
> +               for (idx = 0; idx < count; ++idx)
> +                       radeon_emit(cs, selectors[idx] | regs->select_or);
> +
> +               select1 = regs->select0 + 4 * regs->num_counters;
> +               select1_count = MIN2(count, regs->num_multi);
> +               radeon_set_uconfig_reg_seq(cs, select1, select1_count);
> +               for (idx = 0; idx < select1_count; ++idx)
> +                       radeon_emit(cs, 0);
> +       } else if (layout_multi == SI_PC_MULTI_CUSTOM) {
> +               unsigned *reg = regs->select;
> +               for (idx = 0; idx < count; ++idx) {
> +                       radeon_set_uconfig_reg(cs, *reg++, selectors[idx] | regs->select_or);
> +                       if (idx < regs->num_multi)
> +                               radeon_set_uconfig_reg(cs, *reg++, 0);
> +               }
> +       } else {
> +               assert(layout_multi == SI_PC_MULTI_ALTERNATE);
> +
> +               unsigned reg_base = regs->select0;
> +               unsigned reg_count = count + MIN2(count, regs->num_multi);
> +               reg_count += regs->num_prelude;
> +
> +               if (!(regs->layout & SI_PC_REG_REVERSE)) {
> +                       radeon_set_uconfig_reg_seq(cs, reg_base, reg_count);
> +
> +                       for (idx = 0; idx < regs->num_prelude; ++idx)
> +                               radeon_emit(cs, 0);
> +                       for (idx = 0; idx < count; ++idx) {
> +                               radeon_emit(cs, selectors[idx] | regs->select_or);
> +                               if (idx < regs->num_multi)
> +                                       radeon_emit(cs, 0);
> +                       }
> +               } else {
> +                       reg_base -= (reg_count - 1) * 4;
> +                       radeon_set_uconfig_reg_seq(cs, reg_base, reg_count);
> +
> +                       for (idx = count; idx > 0; --idx) {
> +                               if (idx <= regs->num_multi)
> +                                       radeon_emit(cs, 0);
> +                               radeon_emit(cs, selectors[idx - 1] | regs->select_or);
> +                       }
> +                       for (idx = 0; idx < regs->num_prelude; ++idx)
> +                               radeon_emit(cs, 0);
> +               }
> +       }
> +}
> +
> +static void si_pc_emit_start(struct r600_common_context *ctx,
> +                            struct r600_resource *buffer, uint64_t va)
> +{
> +       struct radeon_winsys_cs *cs = ctx->gfx.cs;
> +
> +       radeon_add_to_buffer_list(ctx, &ctx->gfx, buffer,
> +                                 RADEON_USAGE_WRITE, RADEON_PRIO_QUERY);
> +
> +       radeon_emit(cs, PKT3(PKT3_COPY_DATA, 4, 0));
> +       radeon_emit(cs, COPY_DATA_SRC_SEL(COPY_DATA_IMM) |
> +                       COPY_DATA_DST_SEL(COPY_DATA_MEM));
> +       radeon_emit(cs, 1); /* immediate */
> +       radeon_emit(cs, 0); /* unused */
> +       radeon_emit(cs, va);
> +       radeon_emit(cs, va >> 32);
> +
> +       radeon_set_uconfig_reg(cs, R_036020_CP_PERFMON_CNTL,
> +                              S_036020_PERFMON_STATE(V_036020_DISABLE_AND_RESET));
> +       radeon_emit(cs, PKT3(PKT3_EVENT_WRITE, 0, 0));
> +       radeon_emit(cs, EVENT_TYPE(EVENT_TYPE_PERFCOUNTER_START) | EVENT_INDEX(0));
> +       radeon_set_uconfig_reg(cs, R_036020_CP_PERFMON_CNTL,
> +                              S_036020_PERFMON_STATE(V_036020_START_COUNTING));
> +}
> +
> +/* Note: The buffer was already added in si_pc_emit_start, so we don't have to
> + * do it again in here. */
> +static void si_pc_emit_stop(struct r600_common_context *ctx,
> +                           struct r600_resource *buffer, uint64_t va)
> +{
> +       struct radeon_winsys_cs *cs = ctx->gfx.cs;
> +
> +       if (ctx->screen->chip_class == CIK) {
> +               /* Workaround for cache flush problems: send two EOP events. */
> +               /* XXX - is this needed given that we don't actually care about
> +                * cache flushes here? */
> +               radeon_emit(cs, PKT3(PKT3_EVENT_WRITE_EOP, 4, 0));
> +               radeon_emit(cs, EVENT_TYPE(EVENT_TYPE_CACHE_FLUSH_AND_INV_TS_EVENT) |
> +                               EVENT_INDEX(5));
> +               radeon_emit(cs, va);
> +               radeon_emit(cs, (va >> 32) | EOP_DATA_SEL(1));
> +               radeon_emit(cs, 0); /* immediate data */
> +               radeon_emit(cs, 0); /* unused */
> +       }
> +
> +       radeon_emit(cs, PKT3(PKT3_EVENT_WRITE_EOP, 4, 0));
> +       radeon_emit(cs, EVENT_TYPE(EVENT_TYPE_CACHE_FLUSH_AND_INV_TS_EVENT) |
> +                       EVENT_INDEX(5));
> +       radeon_emit(cs, va);
> +       radeon_emit(cs, (va >> 32) | EOP_DATA_SEL(1));
> +       radeon_emit(cs, 0); /* immediate data */
> +       radeon_emit(cs, 0); /* unused */
> +
> +       radeon_emit(cs, PKT3(PKT3_WAIT_REG_MEM, 5, 0));
> +       radeon_emit(cs, WAIT_REG_MEM_EQUAL | WAIT_REG_MEM_MEM_SPACE(1));
> +       radeon_emit(cs, va);
> +       radeon_emit(cs, va >> 32);
> +       radeon_emit(cs, 0); /* reference value */
> +       radeon_emit(cs, 0xffffffff); /* mask */
> +       radeon_emit(cs, 4); /* poll interval */
> +
> +       radeon_emit(cs, PKT3(PKT3_EVENT_WRITE, 0, 0));
> +       radeon_emit(cs, EVENT_TYPE(EVENT_TYPE_PERFCOUNTER_SAMPLE) | EVENT_INDEX(0));
> +       radeon_emit(cs, PKT3(PKT3_EVENT_WRITE, 0, 0));
> +       radeon_emit(cs, EVENT_TYPE(EVENT_TYPE_PERFCOUNTER_STOP) | EVENT_INDEX(0));
> +       radeon_set_uconfig_reg(cs, R_036020_CP_PERFMON_CNTL,
> +                              S_036020_PERFMON_STATE(V_036020_STOP_COUNTING) |
> +                              S_036020_PERFMON_SAMPLE_ENABLE(1));
> +}
> +
> +static void si_pc_emit_read(struct r600_common_context *ctx,
> +                           struct r600_perfcounter_block *group,
> +                           unsigned count, unsigned *selectors,
> +                           struct r600_resource *buffer, uint64_t va)
> +{
> +       struct si_pc_block *sigroup = (struct si_pc_block *)group->data;
> +       struct si_pc_block_base *regs = sigroup->b;
> +       struct radeon_winsys_cs *cs = ctx->gfx.cs;
> +       unsigned idx;
> +       unsigned reg = regs->counter0_lo;
> +       unsigned reg_delta = 8;
> +
> +       if (regs->layout & SI_PC_REG_REVERSE)
> +               reg_delta = -reg_delta;
> +
> +       for (idx = 0; idx < count; ++idx) {
> +               if (regs->counters)
> +                       reg = regs->counters[idx];
> +
> +               radeon_emit(cs, PKT3(PKT3_COPY_DATA, 4, 0));
> +               radeon_emit(cs, COPY_DATA_SRC_SEL(COPY_DATA_PERF) |
> +                               COPY_DATA_DST_SEL(COPY_DATA_MEM));
> +               radeon_emit(cs, reg >> 2);
> +               radeon_emit(cs, 0); /* unused */
> +               radeon_emit(cs, va);
> +               radeon_emit(cs, va >> 32);
> +               va += 4;
> +               reg += reg_delta;
> +       }
> +}
> +
> +static void si_pc_cleanup(struct r600_common_screen *rscreen)
> +{
> +       r600_perfcounters_do_destroy(rscreen->perfcounters);
> +       rscreen->perfcounters = NULL;
> +}
> +
> +void si_init_perfcounters(struct si_screen *screen)
> +{
> +       struct r600_perfcounters *pc;
> +       struct si_pc_block *blocks;
> +       unsigned num_blocks;
> +       unsigned i;
> +
> +       switch (screen->b.chip_class) {
> +       case CIK:
> +               blocks = groups_CIK;
> +               num_blocks = ARRAY_SIZE(groups_CIK);
> +               break;
> +       case VI:
> +               blocks = groups_VI;
> +               num_blocks = ARRAY_SIZE(groups_VI);
> +               break;
> +       case SI:
> +       default:
> +               return; /* not implemented */
> +       }
> +
> +       if (screen->b.info.max_sh_per_se != 1) {
> +               /* This should not happen on non-SI chips. */
> +               fprintf(stderr, "si_init_perfcounters: max_sh_per_se = %d not "
> +                       "supported (inaccurate performance counters)\n",
> +                       screen->b.info.max_sh_per_se);
> +       }
> +
> +       pc = CALLOC_STRUCT(r600_perfcounters);
> +       if (!pc)
> +               return;
> +
> +       pc->num_start_cs_dwords = 14;
> +       pc->num_stop_cs_dwords = 20;
> +       pc->num_instance_cs_dwords = 3;
> +       pc->num_shaders_cs_dwords = 4;
> +
> +       if (screen->b.chip_class == CIK) {
> +               pc->num_stop_cs_dwords += 6;
> +       }
> +
> +       pc->get_size = si_pc_get_size;
> +       pc->emit_instance = si_pc_emit_instance;
> +       pc->emit_shaders = si_pc_emit_shaders;
> +       pc->emit_select = si_pc_emit_select;
> +       pc->emit_start = si_pc_emit_start;
> +       pc->emit_stop = si_pc_emit_stop;
> +       pc->emit_read = si_pc_emit_read;
> +       pc->cleanup = si_pc_cleanup;
> +
> +       if (!r600_perfcounters_init(pc, num_blocks))
> +               goto error;
> +
> +       for (i = 0; i < num_blocks; ++i) {
> +               struct si_pc_block *block = &blocks[i];
> +               unsigned instances = block->instances;
> +
> +               if (!strcmp(block->b->name, "IA")) {
> +                       if (screen->b.info.max_se > 2)
> +                               instances = 2;
> +               }
> +
> +               if (!r600_perfcounters_add_block(&screen->b, pc,
> +                                                block->b->name,
> +                                                block->b->flags,
> +                                                block->b->num_counters,
> +                                                block->selectors,
> +                                                instances,
> +                                                block))
> +                       goto error;
> +       }
> +
> +       screen->b.perfcounters = pc;
> +       return;
> +
> +error:
> +       r600_perfcounters_do_destroy(pc);
> +}
> diff --git a/src/gallium/drivers/radeonsi/si_pipe.c b/src/gallium/drivers/radeonsi/si_pipe.c
> index 9a0fe80..81d809b 100644
> --- a/src/gallium/drivers/radeonsi/si_pipe.c
> +++ b/src/gallium/drivers/radeonsi/si_pipe.c
> @@ -630,6 +630,9 @@ struct pipe_screen *radeonsi_screen_create(struct radeon_winsys *ws)
>                 return NULL;
>         }
>
> +       if (!debug_get_bool_option("RADEON_DISABLE_PERFCOUNTERS", FALSE))
> +               si_init_perfcounters(sscreen);
> +
>         sscreen->b.has_cp_dma = true;
>         sscreen->b.has_streamout = true;
>
> diff --git a/src/gallium/drivers/radeonsi/si_pipe.h b/src/gallium/drivers/radeonsi/si_pipe.h
> index 05d52fe..834c358 100644
> --- a/src/gallium/drivers/radeonsi/si_pipe.h
> +++ b/src/gallium/drivers/radeonsi/si_pipe.h
> @@ -346,6 +346,9 @@ void si_need_cs_space(struct si_context *ctx);
>  /* si_compute.c */
>  void si_init_compute_functions(struct si_context *sctx);
>
> +/* si_perfcounters.c */
> +void si_init_perfcounters(struct si_screen *screen);
> +
>  /* si_uvd.c */
>  struct pipe_video_codec *si_uvd_create_decoder(struct pipe_context *context,
>                                                const struct pipe_video_codec *templ);
> --
> 2.5.0
>
> _______________________________________________
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> mesa-dev at lists.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/mesa-dev


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