Files
taskwarrior-2.x/src/Timer.cpp
Paul Beckingham ac9d1f3bfa Performance Timing
- Change the was performance measurements are taken.  This in preparation
  to automated daily perf charts, leading to efforts to speed up certain
  operations.
2011-08-15 21:53:01 -04:00

109 lines
2.8 KiB
C++

////////////////////////////////////////////////////////////////////////////////
// taskwarrior - a command line task list manager.
//
// Copyright 2006 - 2011, Paul Beckingham, Federico Hernandez.
// All rights reserved.
//
// 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, write to the
//
// Free Software Foundation, Inc.,
// 51 Franklin Street, Fifth Floor,
// Boston, MA
// 02110-1301
// USA
//
////////////////////////////////////////////////////////////////////////////////
#define L10N // Localization complete.
#include <iostream>
#include <iomanip>
#include <sstream>
#include <Timer.h>
#include <Context.h>
extern Context context;
////////////////////////////////////////////////////////////////////////////////
// Timer starts when the object is constructed.
Timer::Timer ()
: _description ("-")
, _running (false)
, _total (0)
{
}
////////////////////////////////////////////////////////////////////////////////
// Timer starts when the object is constructed with a description.
Timer::Timer (const std::string& description)
: _description (description)
, _running (false)
, _total (0)
{
start ();
}
////////////////////////////////////////////////////////////////////////////////
// Timer stops when the object is destructed.
Timer::~Timer ()
{
stop ();
std::stringstream s;
s << "Timer " // No i18n
<< _description
<< " "
<< std::setprecision (6)
#ifndef HAIKU
// Haiku fails on this - don't know why.
<< std::fixed
#endif
<< _total / 1000000.0
<< " sec";
context.debug (s.str ());
}
////////////////////////////////////////////////////////////////////////////////
void Timer::start ()
{
if (!_running)
{
gettimeofday (&_start, NULL);
_running = true;
}
}
////////////////////////////////////////////////////////////////////////////////
void Timer::stop ()
{
if (_running)
{
struct timeval end;
gettimeofday (&end, NULL);
_running = false;
_total += (end.tv_sec - _start.tv_sec) * 1000000.0
+ (end.tv_usec - _start.tv_usec);
}
}
////////////////////////////////////////////////////////////////////////////////
unsigned long Timer::total () const
{
return _total;
}
////////////////////////////////////////////////////////////////////////////////