1 /*---------------------------------------------------------------------------*\
3 \\ / F ield | foam-extend: Open Source CFD
4 \\ / O peration | Version: 3.2
5 \\ / A nd | Web: http://www.foam-extend.org
6 \\/ M anipulation | For copyright notice see file Copyright
7 -------------------------------------------------------------------------------
9 This file is part of foam-extend.
11 foam-extend is free software: you can redistribute it and/or modify it
12 under the terms of the GNU General Public License as published by the
13 Free Software Foundation, either version 3 of the License, or (at your
14 option) any later version.
16 foam-extend is distributed in the hope that it will be useful, but
17 WITHOUT ANY WARRANTY; without even the implied warranty of
18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19 General Public License for more details.
21 You should have received a copy of the GNU General Public License
22 along with foam-extend. If not, see <http://www.gnu.org/licenses/>.
28 Starts timing CPU usage and return elapsed time from start.
36 \*---------------------------------------------------------------------------*/
42 #include <sys/times.h>
44 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
49 /*---------------------------------------------------------------------------*\
50 Class cpuTime Declaration
51 \*---------------------------------------------------------------------------*/
59 struct tms startTime_;
60 mutable struct tms lastTime_;
61 mutable struct tms newTime_;
63 static void getTime(struct tms& t);
65 static double timeDifference
67 const struct tms& start,
76 //- Construct from components
84 //- Returns CPU time from start of run
85 double elapsedCpuTime() const;
87 //- Returns CPU time from last call of cpuTimeIncrement()
88 double cpuTimeIncrement() const;
92 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
94 } // End namespace Foam
96 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
100 // ************************************************************************* //