Commit e2b9329f authored by Nicolai Hähnle's avatar Nicolai Hähnle
Browse files

radeonsi: move remaining perfcounter code into si_perfcounter.c


Reviewed-by: default avatarMarek Olšák <marek.olsak@amd.com>
parent 7dd289d9
/*
* Copyright 2015 Advanced Micro Devices, Inc.
* All Rights Reserved.
*
* 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.
*/
#include "util/u_memory.h"
#include "radeonsi/si_query.h"
#include "radeonsi/si_pipe.h"
#include "amd/common/sid.h"
/* Max counters per HW block */
#define SI_QUERY_MAX_COUNTERS 16
static struct si_perfcounter_block *
lookup_counter(struct si_perfcounters *pc, unsigned index,
unsigned *base_gid, unsigned *sub_index)
{
struct si_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 si_perfcounter_block *
lookup_group(struct si_perfcounters *pc, unsigned *index)
{
unsigned bid;
struct si_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 si_pc_group {
struct si_pc_group *next;
struct si_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[SI_QUERY_MAX_COUNTERS];
};
struct si_pc_counter {
unsigned base;
unsigned qwords;
unsigned stride; /* in uint64s */
};
#define SI_PC_SHADERS_WINDOWING (1 << 31)
struct si_query_pc {
struct si_query_hw b;
unsigned shaders;
unsigned num_counters;
struct si_pc_counter *counters;
struct si_pc_group *groups;
};
static void si_pc_query_destroy(struct si_screen *sscreen,
struct si_query *rquery)
{
struct si_query_pc *query = (struct si_query_pc *)rquery;
while (query->groups) {
struct si_pc_group *group = query->groups;
query->groups = group->next;
FREE(group);
}
FREE(query->counters);
si_query_hw_destroy(sscreen, rquery);
}
static bool si_pc_query_prepare_buffer(struct si_screen *screen,
struct si_query_hw *hwquery,
struct r600_resource *buffer)
{
/* no-op */
return true;
}
static void si_pc_query_emit_start(struct si_context *sctx,
struct si_query_hw *hwquery,
struct r600_resource *buffer, uint64_t va)
{
struct si_perfcounters *pc = sctx->screen->perfcounters;
struct si_query_pc *query = (struct si_query_pc *)hwquery;
struct si_pc_group *group;
int current_se = -1;
int current_instance = -1;
if (query->shaders)
pc->emit_shaders(sctx, query->shaders);
for (group = query->groups; group; group = group->next) {
struct si_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(sctx, group->se, group->instance);
}
pc->emit_select(sctx, block, group->num_counters, group->selectors);
}
if (current_se != -1 || current_instance != -1)
pc->emit_instance(sctx, -1, -1);
pc->emit_start(sctx, buffer, va);
}
static void si_pc_query_emit_stop(struct si_context *sctx,
struct si_query_hw *hwquery,
struct r600_resource *buffer, uint64_t va)
{
struct si_perfcounters *pc = sctx->screen->perfcounters;
struct si_query_pc *query = (struct si_query_pc *)hwquery;
struct si_pc_group *group;
pc->emit_stop(sctx, buffer, va);
for (group = query->groups; group; group = group->next) {
struct si_perfcounter_block *block = group->block;
unsigned se = group->se >= 0 ? group->se : 0;
unsigned se_end = se + 1;
if ((block->flags & SI_PC_BLOCK_SE) && (group->se < 0))
se_end = sctx->screen->info.max_se;
do {
unsigned instance = group->instance >= 0 ? group->instance : 0;
do {
pc->emit_instance(sctx, se, instance);
pc->emit_read(sctx, block,
group->num_counters, group->selectors,
buffer, va);
va += sizeof(uint64_t) * group->num_counters;
} while (group->instance < 0 && ++instance < block->num_instances);
} while (++se < se_end);
}
pc->emit_instance(sctx, -1, -1);
}
static void si_pc_query_clear_result(struct si_query_hw *hwquery,
union pipe_query_result *result)
{
struct si_query_pc *query = (struct si_query_pc *)hwquery;
memset(result, 0, sizeof(result->batch[0]) * query->num_counters);
}
static void si_pc_query_add_result(struct si_screen *sscreen,
struct si_query_hw *hwquery,
void *buffer,
union pipe_query_result *result)
{
struct si_query_pc *query = (struct si_query_pc *)hwquery;
uint64_t *results = buffer;
unsigned i, j;
for (i = 0; i < query->num_counters; ++i) {
struct si_pc_counter *counter = &query->counters[i];
for (j = 0; j < counter->qwords; ++j) {
uint32_t value = results[counter->base + j * counter->stride];
result->batch[i].u64 += value;
}
}
}
static struct si_query_ops batch_query_ops = {
.destroy = si_pc_query_destroy,
.begin = si_query_hw_begin,
.end = si_query_hw_end,
.get_result = si_query_hw_get_result
};
static struct si_query_hw_ops batch_query_hw_ops = {
.prepare_buffer = si_pc_query_prepare_buffer,
.emit_start = si_pc_query_emit_start,
.emit_stop = si_pc_query_emit_stop,
.clear_result = si_pc_query_clear_result,
.add_result = si_pc_query_add_result,
};
static struct si_pc_group *get_group_state(struct si_screen *screen,
struct si_query_pc *query,
struct si_perfcounter_block *block,
unsigned sub_gid)
{
struct si_pc_group *group = query->groups;
while (group) {
if (group->block == block && group->sub_gid == sub_gid)
return group;
group = group->next;
}
group = CALLOC_STRUCT(si_pc_group);
if (!group)
return NULL;
group->block = block;
group->sub_gid = sub_gid;
if (block->flags & SI_PC_BLOCK_SHADER) {
unsigned sub_gids = block->num_instances;
unsigned shader_id;
unsigned shaders;
unsigned query_shaders;
if (block->flags & SI_PC_BLOCK_SE_GROUPS)
sub_gids = sub_gids * screen->info.max_se;
shader_id = sub_gid / sub_gids;
sub_gid = sub_gid % sub_gids;
shaders = screen->perfcounters->shader_type_bits[shader_id];
query_shaders = query->shaders & ~SI_PC_SHADERS_WINDOWING;
if (query_shaders && query_shaders != shaders) {
fprintf(stderr, "si_perfcounter: incompatible shader groups\n");
FREE(group);
return NULL;
}
query->shaders = shaders;
}
if (block->flags & SI_PC_BLOCK_SHADER_WINDOWED && !query->shaders) {
// A non-zero value in query->shaders ensures that the shader
// masking is reset unless the user explicitly requests one.
query->shaders = SI_PC_SHADERS_WINDOWING;
}
if (block->flags & SI_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 & SI_PC_BLOCK_INSTANCE_GROUPS) {
group->instance = sub_gid;
} else {
group->instance = -1;
}
group->next = query->groups;
query->groups = group;
return group;
}
struct pipe_query *si_create_batch_query(struct pipe_context *ctx,
unsigned num_queries,
unsigned *query_types)
{
struct si_screen *screen =
(struct si_screen *)ctx->screen;
struct si_perfcounters *pc = screen->perfcounters;
struct si_perfcounter_block *block;
struct si_pc_group *group;
struct si_query_pc *query;
unsigned base_gid, sub_gid, sub_index;
unsigned i, j;
if (!pc)
return NULL;
query = CALLOC_STRUCT(si_query_pc);
if (!query)
return NULL;
query->b.b.ops = &batch_query_ops;
query->b.ops = &batch_query_hw_ops;
query->num_counters = num_queries;
/* Collect selectors per group */
for (i = 0; i < num_queries; ++i) {
unsigned sub_gid;
if (query_types[i] < SI_QUERY_FIRST_PERFCOUNTER)
goto error;
block = lookup_counter(pc, query_types[i] - SI_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_end = pc->num_stop_cs_dwords;
query->b.num_cs_dw_end += pc->num_instance_cs_dwords;
i = 0;
for (group = query->groups; group; group = group->next) {
struct si_perfcounter_block *block = group->block;
unsigned read_dw;
unsigned instances = 1;
if ((block->flags & SI_PC_BLOCK_SE) && group->se < 0)
instances = screen->info.max_se;
if (group->instance < 0)
instances *= block->num_instances;
group->result_base = i;
query->b.result_size += sizeof(uint64_t) * instances * group->num_counters;
i += instances * group->num_counters;
read_dw = 6 * group->num_counters;
query->b.num_cs_dw_end += instances * read_dw;
query->b.num_cs_dw_end += instances * pc->num_instance_cs_dwords;
}
if (query->shaders) {
if (query->shaders == SI_PC_SHADERS_WINDOWING)
query->shaders = 0xffffffff;
}
/* Map user-supplied query array to result indices */
query->counters = CALLOC(num_queries, sizeof(*query->counters));
for (i = 0; i < num_queries; ++i) {
struct si_pc_counter *counter = &query->counters[i];
struct si_perfcounter_block *block;
block = lookup_counter(pc, query_types[i] - SI_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->qwords = 1;
if ((block->flags & SI_PC_BLOCK_SE) && group->se < 0)
counter->qwords = screen->info.max_se;
if (group->instance < 0)
counter->qwords *= block->num_instances;
}
if (!si_query_hw_init(screen, &query->b))
goto error;
return (struct pipe_query *)query;
error:
si_pc_query_destroy(screen, &query->b.b);
return NULL;
}
static bool si_init_block_names(struct si_screen *screen,
struct si_perfcounter_block *block)
{
unsigned i, j, k;
unsigned groups_shader = 1, groups_se = 1, groups_instance = 1;
unsigned namelen;
char *groupname;
char *p;
if (block->flags & SI_PC_BLOCK_INSTANCE_GROUPS)
groups_instance = block->num_instances;
if (block->flags & SI_PC_BLOCK_SE_GROUPS)
groups_se = screen->info.max_se;
if (block->flags & SI_PC_BLOCK_SHADER)
groups_shader = screen->perfcounters->num_shader_types;
namelen = strlen(block->basename);
block->group_name_stride = namelen + 1;
if (block->flags & SI_PC_BLOCK_SHADER)
block->group_name_stride += 3;
if (block->flags & SI_PC_BLOCK_SE_GROUPS) {
assert(groups_se <= 10);
block->group_name_stride += 1;
if (block->flags & SI_PC_BLOCK_INSTANCE_GROUPS)
block->group_name_stride += 1;
}
if (block->flags & SI_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)
return false;
groupname = block->group_names;
for (i = 0; i < groups_shader; ++i) {
const char *shader_suffix = screen->perfcounters->shader_type_suffixes[i];
unsigned shaderlen = strlen(shader_suffix);
for (j = 0; j < groups_se; ++j) {
for (k = 0; k < groups_instance; ++k) {
strcpy(groupname, block->basename);
p = groupname + namelen;
if (block->flags & SI_PC_BLOCK_SHADER) {
strcpy(p, shader_suffix);
p += shaderlen;
}
if (block->flags & SI_PC_BLOCK_SE_GROUPS) {
p += sprintf(p, "%d", j);
if (block->flags & SI_PC_BLOCK_INSTANCE_GROUPS)
*p++ = '_';
}
if (block->flags & SI_PC_BLOCK_INSTANCE_GROUPS)
p += sprintf(p, "%d", k);
groupname += block->group_name_stride;
}
}
}
assert(block->num_selectors <= 1000);
block->selector_name_stride = block->group_name_stride + 4;
block->selector_names = MALLOC(block->num_groups * block->num_selectors *
block->selector_name_stride);
if (!block->selector_names)
return false;
groupname = block->group_names;
p = block->selector_names;
for (i = 0; i < block->num_groups; ++i) {
for (j = 0; j < block->num_selectors; ++j) {
sprintf(p, "%s_%03d", groupname, j);
p += block->selector_name_stride;
}
groupname += block->group_name_stride;
}
return true;
}
int si_get_perfcounter_info(struct si_screen *screen,
unsigned index,
struct pipe_driver_query_info *info)
{
struct si_perfcounters *pc = screen->perfcounters;
struct si_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;
if (!block->selector_names) {
if (!si_init_block_names(screen, block))
return 0;
}
info->name = block->selector_names + sub * block->selector_name_stride;
info->query_type = SI_QUERY_FIRST_PERFCOUNTER + index;
info->max_value.u64 = 0;
info->type = PIPE_DRIVER_QUERY_TYPE_UINT64;
info->result_type = PIPE_DRIVER_QUERY_RESULT_TYPE_AVERAGE;
info->group_id = base_gid + sub / block->num_selectors;
info->flags = PIPE_DRIVER_QUERY_FLAG_BATCH;
if (sub > 0 && sub + 1 < block->num_selectors * block->num_groups)
info->flags |= PIPE_DRIVER_QUERY_FLAG_DONT_LIST;
return 1;
}
int si_get_perfcounter_group_info(struct si_screen *screen,
unsigned index,
struct pipe_driver_query_group_info *info)
{
struct si_perfcounters *pc = screen->perfcounters;
struct si_perfcounter_block *block;
if (!pc)
return 0;
if (!info)
return pc->num_groups;
block = lookup_group(pc, &index);
if (!block)
return 0;
if (!block->group_names) {
if (!si_init_block_names(screen, 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 si_perfcounters_destroy(struct si_screen *sscreen)
{
if (sscreen->perfcounters)
sscreen->perfcounters->cleanup(sscreen);
}
bool si_perfcounters_init(struct si_perfcounters *pc,
unsigned num_blocks)
{
pc->blocks = CALLOC(num_blocks, sizeof(struct si_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;
}
void si_perfcounters_add_block(struct si_screen *sscreen,
struct si_perfcounters *pc,
const char *name, unsigned flags,
unsigned counters, unsigned selectors,
unsigned instances, void *data)
{