2 Copyright (C) 2012-2019 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.
33 using boost::optional;
35 /** @param n Name to use when giving output */
36 PeriodTimer::PeriodTimer (string n)
39 gettimeofday (&_start, 0);
42 /** Destroy PeriodTimer and output the time elapsed since its construction */
43 PeriodTimer::~PeriodTimer ()
46 gettimeofday (&stop, 0);
47 cout << N_("T: ") << _name << N_(": ") << (seconds (stop) - seconds (_start)) << N_("\n");
50 /** @param n Name to use when giving output.
51 * @param s Initial state.
53 StateTimer::StateTimer (string n, string s)
62 StateTimer::StateTimer (string n)
69 StateTimer::set (string s)
74 /** @param s New state that the caller is in */
76 StateTimer::set_internal (optional<string> s)
78 double const last = _time;
83 if (s && _counts.find(*s) == _counts.end()) {
84 _counts[*s] = Counts();
88 _counts[*_state].total_time += _time - last;
89 _counts[*_state].number++;
97 set_internal (optional<string>());
100 /** Destroy StateTimer and generate a summary of the state timings on cout */
101 StateTimer::~StateTimer ()
109 cout << _name << N_(":\n");
110 for (map<string, Counts>::iterator i = _counts.begin(); i != _counts.end(); ++i) {
111 cout << N_("\t") << i->first << " " << i->second.total_time << " " << i->second.number << " " << (i->second.total_time / i->second.number) << N_("\n");