xapian-core  1.4.19
cputimer.h
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1 
4 /* Copyright (C) 2009 Olly Betts
5  *
6  * This program is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU General Public License as
8  * published by the Free Software Foundation; either version 2 of the
9  * License, or (at your option) any later version.
10  *
11  * This program 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.
15  *
16  * You should have received a copy of the GNU General Public License
17  * along with this program; if not, write to the Free Software
18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
19  */
20 
21 #ifndef XAPIAN_INCLUDED_CPUTIMER_H
22 #define XAPIAN_INCLUDED_CPUTIMER_H
23 
24 class CPUTimer {
25  double start;
26 
27  static double get_current_cputime();
28 
29  public:
31  CPUTimer() : start(get_current_cputime()) { }
32 
34  double get_time() const {
35  return get_current_cputime() - start;
36  }
37 };
38 
39 #endif // XAPIAN_INCLUDED_CPUTIMER_H
CPUTimer()
Start the timer.
Definition: cputimer.h:31
static double get_current_cputime()
Definition: cputimer.cc:48
double start
Definition: cputimer.h:25
double get_time() const
Return elapsed CPU time since object creation in seconds.
Definition: cputimer.h:34