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https://github.com/yse/easy_profiler.git
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163 lines
4.5 KiB
C++
163 lines
4.5 KiB
C++
/**
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Lightweight profiler library for c++
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Copyright(C) 2016 Sergey Yagovtsev
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This program is free software : you can redistribute it and / or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program.If not, see <http://www.gnu.org/licenses/>.
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**/
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#ifndef PROFILER_READER____H
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#define PROFILER_READER____H
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/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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#include <list>
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#include <map>
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#include "profiler/profiler.h"
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/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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namespace profiler {
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typedef uint32_t calls_number_t;
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struct BlockStatistics
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{
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::profiler::timestamp_t total_duration;
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::profiler::timestamp_t min_duration;
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::profiler::timestamp_t max_duration;
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::profiler::timestamp_t average_duration;
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::profiler::calls_number_t calls_number;
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BlockStatistics() : total_duration(0), min_duration(0), max_duration(0), average_duration(0), calls_number(1)
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{
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}
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BlockStatistics(::profiler::timestamp_t _duration)
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: total_duration(_duration)
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, min_duration(_duration)
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, max_duration(_duration)
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, average_duration(_duration)
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, calls_number(1)
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{
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}
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}; // END of struct BlockStatistics.
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inline void release(BlockStatistics*& _stats)
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{
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if (!_stats)
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{
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return;
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}
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if (--_stats->calls_number == 0)
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{
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delete _stats;
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}
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_stats = nullptr;
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}
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} // END of namespace profiler.
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/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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struct BlocksTree
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{
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typedef ::std::list<BlocksTree> children_t;
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children_t children;
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::profiler::SerilizedBlock* node;
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::profiler::BlockStatistics* frame_statistics; ///< Pointer to statistics for this block within the parent (may be nullptr for top-level blocks)
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::profiler::BlockStatistics* total_statistics; ///< Pointer to statistics for this block within the bounds of all frames per current thread
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BlocksTree() : node(nullptr), frame_statistics(nullptr), total_statistics(nullptr)
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{
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}
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BlocksTree(BlocksTree&& that) : BlocksTree()
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{
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makeMove(::std::forward<BlocksTree&&>(that));
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}
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BlocksTree& operator=(BlocksTree&& that)
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{
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makeMove(::std::forward<BlocksTree&&>(that));
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return *this;
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}
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~BlocksTree()
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{
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if (node)
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{
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delete node;
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}
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release(total_statistics);
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release(frame_statistics);
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}
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bool operator < (const BlocksTree& other) const
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{
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if (!node || !other.node)
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{
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return false;
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}
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return node->block()->getBegin() < other.node->block()->getBegin();
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}
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private:
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void makeMove(BlocksTree&& that)
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{
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if (node && node != that.node)
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{
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delete node;
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}
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if (total_statistics != that.total_statistics)
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{
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release(total_statistics);
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}
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if (frame_statistics != that.frame_statistics)
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{
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release(frame_statistics);
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}
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children = ::std::move(that.children);
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node = that.node;
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frame_statistics = that.frame_statistics;
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total_statistics = that.total_statistics;
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that.node = nullptr;
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that.frame_statistics = nullptr;
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that.total_statistics = nullptr;
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}
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}; // END of struct BlocksTree.
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typedef ::std::map<::profiler::thread_id_t, BlocksTree> thread_blocks_tree_t;
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extern "C"{
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int PROFILER_API fillTreesFromFile(const char* filename, thread_blocks_tree_t& threaded_trees, bool gather_statistics = false);
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}
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/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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#endif // PROFILER_READER____H
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