117 lines
3.8 KiB
C++
117 lines
3.8 KiB
C++
/*
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* Created by Brett on 23/12/22.
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* Licensed under GNU General Public License V3.0
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* See LICENSE file for license detail
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*/
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#ifndef BLT_PROFILER_H
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#define BLT_PROFILER_H
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#include <string>
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#include <blt/std/queue.h>
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#include <vector>
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#include <unordered_map>
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#include <blt/std/logging.h>
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#include <fstream>
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#include <cstdint>
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/**
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* Defines several disableable macros (#define BLT_DISABLE_PROFILING). If you do not use these macros profiling cannot be disabled!
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*/
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namespace blt::profiling {
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struct capture_point {
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std::string name;
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long point{};
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};
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struct capture_interval {
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long start;
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long end;
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};
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struct capture_history {
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std::uint64_t count;
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std::uint64_t total;
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};
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struct profile {
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std::unordered_map<std::string, capture_interval> intervals;
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std::unordered_map<std::string, capture_history> intervals_total;
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blt::flat_queue<capture_point> points;
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};
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void startInterval(const std::string& profileName, const std::string& intervalName);
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void endInterval(const std::string& profileName, const std::string& intervalName);
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void point(const std::string& profileName, const std::string& pointName);
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capture_interval getInterval(const std::string& profileName, const std::string& intervalName);
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profile getProfile(const std::string& profileName);
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void printProfile(
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const std::string& profileName, logging::LogLevel loggingLevel = logging::LogLevel::NONE,
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bool averageHistory = false
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);
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void writeProfile(std::ofstream& out, const std::string& profileName, bool averageHistory = false);
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void discardProfiles();
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void discardIntervals(const std::string& profileName);
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void discardPoints(const std::string& profileName);
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class scoped_interval {
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private:
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std::string m_Profile;
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std::string m_Interval;
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public:
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scoped_interval(std::string profile, std::string interval):
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m_Profile(std::move(profile)), m_Interval(std::move(interval)) {
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blt::profiling::startInterval(m_Profile, m_Interval);
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}
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~scoped_interval() {
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blt::profiling::endInterval(m_Profile, m_Interval);
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}
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};
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}
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#endif //BLT_PROFILER_H
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#ifdef BLT_DISABLE_PROFILING
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#define BLT_START_INTERVAL(profileName, intervalName)
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#define BLT_END_INTERVAL(profileName, intervalName)
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#define BLT_POINT(profileName, pointName)
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#define BLT_PRINT_ORDERED(profileName, ...)
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#define BLT_WRITE_ORDERED(profileName, ...)
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#else
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/**
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* Starts an interval to be measured, when ended the row will be added to the specified profile.
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*/
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#define BLT_START_INTERVAL(profileName, intervalName) blt::profiling::startInterval(profileName, intervalName)
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/**
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* Ends an interval, adds the interval to the profile.
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*/
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#define BLT_END_INTERVAL(profileName, intervalName) blt::profiling::endInterval(profileName, intervalName)
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/**
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* Measures this exact point in time.
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*/
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#define BLT_POINT(profileName, pointName) blt::profiling::point(profileName, pointName)
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/**
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* Prints the profile order from least time to most time.
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* @param profileName the profile to print
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* @param loggingLevel blt::logging::LOG_LEVEL to log with (default: BLT_NONE)
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* @param averageHistory use the historical collection of interval rows in an average or just the latest? (default: false)
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*/
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#define BLT_PRINT_PROFILE(profileName, ...) blt::profiling::printProfile(profileName, ##__VA_ARGS__)
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/**
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* writes the profile to an output stream, ordered from least time to most time, in CSV format.
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*/
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#define BLT_WRITE_PROFILE(stream, profileName) blt::profiling::writeProfile(stream, profileName, true)
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#endif |