xc
Timer.h
1 // -*-c++-*-
2 //----------------------------------------------------------------------------
3 // XC program; finite element analysis code
4 // for structural analysis and design.
5 //
6 // Copyright (C) Luis C. Pérez Tato
7 //
8 // This program derives from OpenSees <http://opensees.berkeley.edu>
9 // developed by the «Pacific earthquake engineering research center».
10 //
11 // Except for the restrictions that may arise from the copyright
12 // of the original program (see copyright_opensees.txt)
13 // XC is free software: you can redistribute it and/or modify
14 // it under the terms of the GNU General Public License as published by
15 // the Free Software Foundation, either version 3 of the License, or
16 // (at your option) any later version.
17 //
18 // This software is distributed in the hope that it will be useful, but
19 // WITHOUT ANY WARRANTY; without even the implied warranty of
20 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21 // GNU General Public License for more details.
22 //
23 //
24 // You should have received a copy of the GNU General Public License
25 // along with this program.
26 // If not, see <http://www.gnu.org/licenses/>.
27 //----------------------------------------------------------------------------
28 /* ****************************************************************** **
29 ** OpenSees - Open System for Earthquake Engineering Simulation **
30 ** Pacific Earthquake Engineering Research Center **
31 ** **
32 ** **
33 ** (C) Copyright 1999, The Regents of the University of California **
34 ** All Rights Reserved. **
35 ** **
36 ** Commercial use of this program without express permission of the **
37 ** University of California, Berkeley, is strictly prohibited. See **
38 ** file 'COPYRIGHT' in main directory for information on usage and **
39 ** redistribution, and for a DISCLAIMER OF ALL WARRANTIES. **
40 ** **
41 ** Developed by: **
42 ** Frank McKenna (fmckenna@ce.berkeley.edu) **
43 ** Gregory L. Fenves (fenves@ce.berkeley.edu) **
44 ** Filip C. Filippou (filippou@ce.berkeley.edu) **
45 ** **
46 ** ****************************************************************** */
47 
48 // $Revision: 1.4 $
49 // $Date: 2003/02/14 23:02:12 $
50 // $Source: /usr/local/cvs/OpenSees/SRC/utility/Timer.h,v $
51 
52 
53 // File: ~/utility/Timer.h
54 //
55 // Written: fmk
56 // Created: Mar 1997
57 // Revision: A
58 //
59 // Description: This file contains the class definition for Timer.
60 // Timer is a stopwatch.
61 //
62 // What: "@(#) Timer.h, revA"
63 
64 #ifndef Timer_h
65 #define Timer_h
66 
67 #ifdef _WIN32
68 
69 #else
70 #ifdef _MAC
71 #include <sys/time.h>
72 #else
73 
74 #include <time.h>
75 #include <unistd.h>
76 
77 #endif
78 #include <sys/times.h>
79 #include <sys/resource.h>
80 #endif
81 
82 #include <iostream>
83 
84 namespace XC {
86 
92 class Timer
93  {
94  private:
95  clock_t t1, t2;
96  struct tms tmsstart, tmsend;
97  struct rusage r1usage, r2usage;
98  struct rusage *r1us, *r2us;
99  public:
100  Timer(void);
101 
102  void start(void);
103  void pause(void);
104  double getReal(void) const;
105  double getCPU(void) const;
106  int getNumPageFaults(void) const;
107 
108  virtual void Print(std::ostream &s) const;
109  friend std::ostream &operator<<(std::ostream &, const Timer &);
110  };
111 std::ostream &operator<<(std::ostream &, const Timer &);
112 } // end of XC namespace
113 
114 
115 #endif
116 
void pause(void)
Sets the accounting variables to mark the end of accounting period using the unix functions times() a...
Definition: Timer.cpp:92
double getCPU(void) const
Uses the difference between the starting and ending accounting variables to determine the CPU time al...
Definition: Timer.cpp:113
int getNumPageFaults(void) const
Uses the difference between the starting and ending accounting variables to determine the number of p...
Definition: Timer.cpp:124
Timer(void)
Default constructor.
Definition: Timer.cpp:76
double getReal(void) const
Uses the difference between the starting and ending accounting variables to determine the elapsed rea...
Definition: Timer.cpp:102
Measure of system resources.
Definition: Timer.h:92
virtual void Print(std::ostream &s) const
Uses the difference between the starting and ending accounting variables to determine the real time...
Definition: Timer.cpp:137
Open source finite element program for structural analysis.
Definition: ContinuaReprComponent.h:35
void start(void)
Sets the accounting variables to mark the start of accounting period using the unix functions times()...
Definition: Timer.cpp:84