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/* This file is part of the Spring engine (GPL v2 or later), see LICENSE.html */
#ifndef SIMPLE_PROFILER_H
#define SIMPLE_PROFILER_H
#ifdef __cplusplus
extern "C" {
#endif
#if !defined PROFILING_ENABLED && defined DEBUG
// Always enable profiling in debug binaries
#define PROFILING_ENABLED 1
#endif // !defined PROFILING_ENABLED && defined DEBUG
/**
* Adds a specified ammount of time (in milli-seconds) to a certain part
*/
void simpleProfiler_addTime(const char* const part, unsigned time);
/**
* Returns the total ammount of time (in milli-seconds)
* spent in a certain part so far
*/
unsigned long simpleProfiler_getTime(const char* const part);
/**
* Returns the total number of profiling parts
*/
unsigned simpleProfiler_getParts();
/**
* Returns the name of a certain part by index.
* @see simpleProfiler_getParts()
*/
const char* simpleProfiler_getPartName(unsigned partIndex);
/**
* Allows fetching the list of names of the profiling parts.
* @return number of parts
*/
unsigned simpleProfiler_getPartNames(const char** parts, const unsigned parts_sizeMax);
/**
* Returns a summary string, consisting or name and total-time
* of all profiling parts, each on a separate line.
* Note: You have to free(...) the return value.
*/
char* simpleProfiler_getSummaryString();
#ifdef __cplusplus
} // extern "C"
#endif
#if defined __cplusplus
#if defined PROFILING_ENABLED
#define SCOPED_TIMER(part, profiler) ScopedTimer myScopedTimerFromMakro(part, profiler);
#else // defined PROFILING_ENABLED
#define SCOPED_TIMER(part, profiler)
#endif // defined PROFILING_ENABLED
#define DEFAULT_SCOPED_TIMER(part) SCOPED_TIMER(part, Profiler::GetDefault());
#include <map>
#include <string>
class Profiler
{
public:
static Profiler* GetDefault();
Profiler(const char* const name);
const char* GetName() const;
void AddTime(const char* const part, unsigned long time);
const std::map<const char* const, unsigned long>& GetParts();
std::string ToString() const;
private:
const char* const name;
std::map<const char* const, unsigned long> parts;
static Profiler def;
};
/**
* @brief Time profiling helper class
*
* Construct an instance of this class where you want to begin time measuring,
* and destruct it at the end (or let it be autodestructed).
*/
class ScopedTimer
{
public:
ScopedTimer(const char* const part, Profiler* profiler = Profiler::GetDefault());
/**
* @brief destroy and add time to profiler
*/
~ScopedTimer();
private:
const char* const part;
Profiler* profiler;
/// in milli-seconds
unsigned long startTime;
};
#endif // defined __cplusplus
#endif // SIMPLE_PROFILER_H
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