profile.cpp

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/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 2012 SoftPLC Corporation, Dick Hollenbeck <[email protected]>
 * Copyright The KiCad Developers, see AUTHORS.txt for contributors.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, you may find one here:
 * http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
 * or you may search the http://www.gnu.org website for the version 2 license,
 * or you may write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
 */
 
 
#include <config.h>
#include <cstdint>
#include <string>
#include <sstream>
#include <core/profile.h>
 
#if defined( _WIN32 )
 
#include <windows.h>
 
int64_t GetRunningMicroSecs()
{
    FILETIME now;
 
    GetSystemTimeAsFileTime( &now );
    uint64_t t = ( UINT64( now.dwHighDateTime ) << 32 ) + now.dwLowDateTime;
    t /= 10;
 
    return int64_t( t );
}
 
#elif defined( HAVE_CLOCK_GETTIME )
 
#include <ctime>
 
int64_t GetRunningMicroSecs()
{
    struct timespec now;
 
    clock_gettime( CLOCK_MONOTONIC, &now );
 
    int64_t usecs = (int64_t) now.tv_sec * 1000000 + now.tv_nsec / 1000;
    //    unsigned msecs = (now.tv_nsec / (1000*1000)) + now.tv_sec * 1000;
 
    return usecs;
}
 
 
#elif defined( HAVE_GETTIMEOFDAY_FUNC )
 
#include <sys/time.h>
int64_t GetRunningMicroSecs()
{
    timeval tv;
 
    gettimeofday( &tv, 0 );
 
    return (int64_t) tv.tv_sec * 1000000 + tv.tv_usec;
}
 
#endif
 
 
std::string LATENCY_PROBE::to_string() 
{
    std::stringstream ss;
    TIME_POINT prev = m_start;
    ss << "Probe stats for" << m_name << std::endl;
    for (auto cp : m_checkpoints)
    {
        if( cp.isTimer )
            ss << "tmr: " << std::left << std::setw(30) << cp.name << std::fixed << std::setprecision(3) << cp.timerDelta << std::endl;
        else
        {
            ss << "chp: "<< std::left << std::setw(30) << cp.name;
            ss << "since last : " << std::fixed << std::setprecision(3) << delta_ms( cp.timestamp, prev ) << " ";
            ss << "accumulated: " << std::fixed << std::setprecision(3) << delta_ms( cp.timestamp, m_start ) << std::endl;
 
            prev = cp.timestamp;
        }
    }
 
    return ss.str();
}