2 Copyright (C) 2012 Carl Hetherington <cth@carlh.net>
4 This file is part of DCP-o-matic.
6 DCP-o-matic is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
11 DCP-o-matic is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with DCP-o-matic. If not, see <http://www.gnu.org/licenses/>.
21 /** @file src/timer.cc
22 * @brief Some timing classes for debugging and profiling.
34 /** @param n Name to use when giving output */
35 PeriodTimer::PeriodTimer (string n)
38 gettimeofday (&_start, 0);
41 /** Destroy PeriodTimer and output the time elapsed since its construction */
42 PeriodTimer::~PeriodTimer ()
45 gettimeofday (&stop, 0);
46 cout << N_("T: ") << _name << N_(": ") << (seconds (stop) - seconds (_start)) << N_("\n");
49 /** @param n Name to use when giving output.
50 * @param s Initial state.
52 StateTimer::StateTimer (string n, string s)
61 /** @param s New state that the caller is in */
63 StateTimer::set_state (string s)
65 double const last = _time;
70 if (_totals.find (s) == _totals.end ()) {
74 _totals[_state] += _time - last;
78 /** Destroy StateTimer and generate a summary of the state timings on cout */
79 StateTimer::~StateTimer ()
81 if (_state.empty ()) {
87 cout << _name << N_(":\n");
88 for (map<string, double>::iterator i = _totals.begin(); i != _totals.end(); ++i) {
89 cout << N_("\t") << i->first << " " << i->second << N_("\n");