Add 'engine/' from commit 'a8e37fc010'
git-subtree-dir: engine git-subtree-mainline:b74841629egit-subtree-split:a8e37fc010
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c3f9669b10
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247
engine/core/profiling/profiling.cpp
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247
engine/core/profiling/profiling.cpp
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/**************************************************************************/
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/* profiling.cpp */
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/**************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/**************************************************************************/
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/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
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/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/**************************************************************************/
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#include "profiling.h"
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#if defined(GODOT_USE_TRACY)
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// Use the tracy profiler.
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#include "core/os/mutex.h"
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#include "core/templates/paged_allocator.h"
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namespace tracy {
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static bool configured = false;
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static const char dummy_string[] = "dummy";
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static tracy::SourceLocationData dummy_source_location = tracy::SourceLocationData{ dummy_string, dummy_string, dummy_string, 0, 0 };
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// Implementation similar to StringName.
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struct StringInternData {
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StringName name;
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CharString name_utf8;
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uint32_t hash = 0;
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StringInternData *prev = nullptr;
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StringInternData *next = nullptr;
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StringInternData() {}
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};
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struct SourceLocationInternData {
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const StringInternData *file;
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const StringInternData *function;
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const StringInternData *name;
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tracy::SourceLocationData source_location_data;
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uint32_t function_ptr_hash = 0;
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SourceLocationInternData *prev = nullptr;
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SourceLocationInternData *next = nullptr;
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SourceLocationInternData() {}
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};
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struct TracyInternTable {
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constexpr static uint32_t TABLE_BITS = 16;
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constexpr static uint32_t TABLE_LEN = 1 << TABLE_BITS;
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constexpr static uint32_t TABLE_MASK = TABLE_LEN - 1;
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static inline BinaryMutex mutex;
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static inline SourceLocationInternData *source_location_table[TABLE_LEN];
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static inline PagedAllocator<SourceLocationInternData> source_location_allocator;
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static inline StringInternData *string_table[TABLE_LEN];
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static inline PagedAllocator<StringInternData> string_allocator;
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};
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const StringInternData *_intern_name(const StringName &p_name) {
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CRASH_COND(!configured);
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const uint32_t hash = p_name.hash();
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const uint32_t idx = hash & TracyInternTable::TABLE_MASK;
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StringInternData *_data = TracyInternTable::string_table[idx];
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while (_data) {
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if (_data->hash == hash) {
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return _data;
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}
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_data = _data->next;
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}
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_data = TracyInternTable::string_allocator.alloc();
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_data->name = p_name;
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_data->name_utf8 = p_name.operator String().utf8();
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_data->next = TracyInternTable::string_table[idx];
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_data->prev = nullptr;
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if (TracyInternTable::string_table[idx]) {
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TracyInternTable::string_table[idx]->prev = _data;
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}
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TracyInternTable::string_table[idx] = _data;
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return _data;
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}
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const tracy::SourceLocationData *intern_source_location(const void *p_function_ptr, const StringName &p_file, const StringName &p_function, const StringName &p_name, uint32_t p_line, bool p_is_script) {
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ERR_FAIL_COND_V(!configured, &dummy_source_location);
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const uint32_t hash = HashMapHasherDefault::hash(p_function_ptr);
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const uint32_t idx = hash & TracyInternTable::TABLE_MASK;
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MutexLock lock(TracyInternTable::mutex);
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SourceLocationInternData *_data = TracyInternTable::source_location_table[idx];
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while (_data) {
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if (_data->function_ptr_hash == hash && _data->source_location_data.line == p_line && _data->file->name == p_file && _data->function->name == p_function && _data->name->name == p_name) {
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return &_data->source_location_data;
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}
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_data = _data->next;
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}
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_data = TracyInternTable::source_location_allocator.alloc();
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_data->function_ptr_hash = hash;
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_data->file = _intern_name(p_file);
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_data->function = _intern_name(p_function);
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_data->name = _intern_name(p_name);
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_data->source_location_data.file = _data->file->name_utf8.get_data();
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_data->source_location_data.function = _data->function->name_utf8.get_data();
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_data->source_location_data.name = _data->name->name_utf8.get_data();
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_data->source_location_data.line = p_line;
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_data->source_location_data.color = p_is_script ? 0x478cbf : 0; // godot_logo_blue
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_data->next = TracyInternTable::source_location_table[idx];
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_data->prev = nullptr;
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if (TracyInternTable::source_location_table[idx]) {
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TracyInternTable::source_location_table[idx]->prev = _data;
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}
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TracyInternTable::source_location_table[idx] = _data;
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return &_data->source_location_data;
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}
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} // namespace tracy
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void godot_init_profiler() {
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MutexLock lock(tracy::TracyInternTable::mutex);
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ERR_FAIL_COND(tracy::configured);
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for (uint32_t i = 0; i < tracy::TracyInternTable::TABLE_LEN; i++) {
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tracy::TracyInternTable::source_location_table[i] = nullptr;
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}
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for (uint32_t i = 0; i < tracy::TracyInternTable::TABLE_LEN; i++) {
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tracy::TracyInternTable::string_table[i] = nullptr;
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}
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tracy::configured = true;
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// Send our first event to tracy; otherwise it doesn't start collecting data.
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// FrameMark is kind of fitting because it communicates "this is where we started tracing".
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FrameMark;
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}
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void godot_cleanup_profiler() {
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MutexLock lock(tracy::TracyInternTable::mutex);
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ERR_FAIL_COND(!tracy::configured);
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for (uint32_t i = 0; i < tracy::TracyInternTable::TABLE_LEN; i++) {
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while (tracy::TracyInternTable::source_location_table[i]) {
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tracy::SourceLocationInternData *d = tracy::TracyInternTable::source_location_table[i];
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tracy::TracyInternTable::source_location_table[i] = tracy::TracyInternTable::source_location_table[i]->next;
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tracy::TracyInternTable::source_location_allocator.free(d);
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}
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}
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for (uint32_t i = 0; i < tracy::TracyInternTable::TABLE_LEN; i++) {
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while (tracy::TracyInternTable::string_table[i]) {
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tracy::StringInternData *d = tracy::TracyInternTable::string_table[i];
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tracy::TracyInternTable::string_table[i] = tracy::TracyInternTable::string_table[i]->next;
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tracy::TracyInternTable::string_allocator.free(d);
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}
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}
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tracy::configured = false;
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}
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#elif defined(GODOT_USE_PERFETTO)
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PERFETTO_TRACK_EVENT_STATIC_STORAGE();
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void godot_init_profiler() {
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perfetto::TracingInitArgs args;
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args.backends |= perfetto::kSystemBackend;
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perfetto::Tracing::Initialize(args);
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perfetto::TrackEvent::Register();
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}
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void godot_cleanup_profiler() {
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// Stub
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}
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#elif defined(GODOT_USE_INSTRUMENTS)
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namespace apple::instruments {
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os_log_t LOG;
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os_log_t LOG_TRACING;
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} // namespace apple::instruments
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void godot_init_profiler() {
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static bool initialized = false;
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if (initialized) {
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return;
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}
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initialized = true;
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apple::instruments::LOG = os_log_create("org.godotengine.godot", OS_LOG_CATEGORY_POINTS_OF_INTEREST);
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#ifdef INSTRUMENTS_SAMPLE_CALLSTACKS
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apple::instruments::LOG_TRACING = os_log_create("org.godotengine.godot", OS_LOG_CATEGORY_DYNAMIC_STACK_TRACING);
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#else
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apple::instruments::LOG_TRACING = os_log_create("org.godotengine.godot", "tracing");
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#endif
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}
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void godot_cleanup_profiler() {
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}
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#else
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void godot_init_profiler() {
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// Stub
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}
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void godot_cleanup_profiler() {
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// Stub
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}
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#endif
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