/usr/include/geos/profiler.h is in libgeos++-dev 3.6.2-1build2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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*
* GEOS - Geometry Engine Open Source
* http://geos.osgeo.org
*
* Copyright (C) 2001-2002 Vivid Solutions Inc.
*
* This is free software; you can redistribute and/or modify it under
* the terms of the GNU Lesser General Public Licence as published
* by the Free Software Foundation.
* See the COPYING file for more information.
*
**********************************************************************/
#ifndef GEOS_PROFILER_H
#define GEOS_PROFILER_H
#include <stdlib.h> /** need this to correctly detect MINGW64 **/
#include <geos/export.h>
/* For MingW builds with __STRICT_ANSI__ (-ansi) */
/** MINGW64 doesn't have a config.h **/
#if defined(__MINGW32__) && !defined(__MINGW64_VERSION_MAJOR)
/* Allow us to check for presence of gettimeofday in MingW */
#include <config.h>
#include <sys/time.h>
extern "C" {
extern _CRTIMP void __cdecl _tzset (void);
__MINGW_IMPORT int _daylight;
__MINGW_IMPORT long _timezone;
__MINGW_IMPORT char *_tzname[2];
}
#endif
#if defined(_MSC_VER) || defined(__MINGW32__) && !defined(HAVE_GETTIMEOFDAY) && !defined(__MINGW64_VERSION_MAJOR)
#include <geos/timeval.h>
#else
#include <sys/time.h>
#endif
#include <map>
#include <memory>
#include <iostream>
#include <string>
#include <vector>
#ifndef PROFILE
#define PROFILE 0
#endif
#ifdef _MSC_VER
#pragma warning(push)
#pragma warning(disable: 4251) // warning C4251: needs to have dll-interface to be used by clients of class
#endif
namespace geos {
namespace util {
/*
* \class Profile utils.h geos.h
*
* \brief Profile statistics
*/
class GEOS_DLL Profile {
public:
/** \brief Create a named profile */
Profile(std::string name);
/** \brief Destructor */
~Profile();
/** \brief start a new timer */
void start() {
gettimeofday(&starttime, NULL);
}
/** \brief stop current timer */
void stop()
{
gettimeofday(&stoptime, NULL);
double elapsed = 1000000*(stoptime.tv_sec-starttime.tv_sec)+
(stoptime.tv_usec-starttime.tv_usec);
timings.push_back(elapsed);
totaltime += elapsed;
if ( timings.size() == 1 ) max = min = elapsed;
else
{
if ( elapsed > max ) max = elapsed;
if ( elapsed < min ) min = elapsed;
}
avg = totaltime / timings.size();
}
/** \brief Return Max stored timing */
double getMax() const;
/** \brief Return Min stored timing */
double getMin() const;
/** \brief Return total timing */
double getTot() const;
/** \brief Return average timing */
double getAvg() const;
/** \brief Return number of timings */
size_t getNumTimings() const;
/** \brief Profile name */
std::string name;
private:
/* \brief current start and stop times */
struct timeval starttime, stoptime;
/* \brief actual times */
std::vector<double> timings;
/* \brief total time */
double totaltime;
/* \brief max time */
double max;
/* \brief max time */
double min;
/* \brief max time */
double avg;
};
/*
* \class Profiler utils.h geos.h
*
* \brief Profiling class
*
*/
class GEOS_DLL Profiler {
public:
Profiler();
~Profiler();
/**
* \brief
* Return the singleton instance of the
* profiler.
*/
static Profiler *instance(void);
/**
* \brief
* Start timer for named task. The task is
* created if does not exist.
*/
void start(std::string name);
/**
* \brief
* Stop timer for named task.
* Elapsed time is registered in the given task.
*/
void stop(std::string name);
/** \brief get Profile of named task */
Profile *get(std::string name);
std::map<std::string, Profile *> profs;
};
/** \brief Return a string representing the Profile */
std::ostream& operator<< (std::ostream& os, const Profile&);
/** \brief Return a string representing the Profiler */
std::ostream& operator<< (std::ostream& os, const Profiler&);
} // namespace geos::util
} // namespace geos
#ifdef _MSC_VER
#pragma warning(pop)
#endif
#endif // ndef GEOS_PROFILER_H
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