1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/src/include/time_measure.h Mon Apr 26 17:39:38 2004 +0000
1.3 @@ -0,0 +1,182 @@
1.4 +// -*- c++ -*-
1.5 +#ifndef HUGO_TIME_MEASURE_H
1.6 +#define HUGO_TIME_MEASURE_H
1.7 +
1.8 +///ingroup graphs
1.9 +///\file
1.10 +///\brief Tools for measuring cpu usage
1.11 +
1.12 +#include <sys/time.h>
1.13 +#include <sys/times.h>
1.14 +#include <fstream>
1.15 +#include <iostream>
1.16 +#include <unistd.h>
1.17 +
1.18 +namespace hugo {
1.19 +
1.20 + /// \addtogroup misc
1.21 + /// @{
1.22 +
1.23 + /// A class to store (cpu)time instances.
1.24 +
1.25 + /// This class stores five time values.
1.26 + /// - a real time
1.27 + /// - a user cpu time
1.28 + /// - a system cpu time
1.29 + /// - a user cpu time of children
1.30 + /// - a system cpu time of children
1.31 + ///
1.32 + /// TimeStamp's can be added to or substracted from each other and
1.33 + /// they can be pushed to a stream.
1.34 +
1.35 + class TimeStamp
1.36 + {
1.37 + tms ts;
1.38 + double real_time;
1.39 +
1.40 + public:
1.41 +
1.42 + tms &getTms() {return ts;}
1.43 + const tms &getTms() const {return ts;}
1.44 + ///Read the current time values of the process
1.45 + void stamp()
1.46 + {
1.47 + timeval tv;
1.48 + times(&ts);
1.49 + gettimeofday(&tv, 0);real_time=tv.tv_sec+double(tv.tv_usec)/1e6;
1.50 + }
1.51 +
1.52 + /// Constructor initializing with zero
1.53 + TimeStamp()
1.54 + { ts.tms_utime=ts.tms_stime=ts.tms_cutime=ts.tms_cstime=0; real_time=0;}
1.55 + ///Constructor initializing with the current time values of the process
1.56 + TimeStamp(void *) { stamp();}
1.57 +
1.58 + ///
1.59 + TimeStamp &operator+=(const TimeStamp &b)
1.60 + {
1.61 + ts.tms_utime+=b.ts.tms_utime;
1.62 + ts.tms_stime+=b.ts.tms_stime;
1.63 + ts.tms_cutime+=b.ts.tms_cutime;
1.64 + ts.tms_cstime+=b.ts.tms_cstime;
1.65 + real_time+=b.real_time;
1.66 + return *this;
1.67 + }
1.68 + ///
1.69 + TimeStamp operator+(const TimeStamp &b) const
1.70 + {
1.71 + TimeStamp t(*this);
1.72 + return t+=b;
1.73 + }
1.74 + ///
1.75 + TimeStamp &operator-=(const TimeStamp &b)
1.76 + {
1.77 + ts.tms_utime-=b.ts.tms_utime;
1.78 + ts.tms_stime-=b.ts.tms_stime;
1.79 + ts.tms_cutime-=b.ts.tms_cutime;
1.80 + ts.tms_cstime-=b.ts.tms_cstime;
1.81 + real_time-=b.real_time;
1.82 + return *this;
1.83 + }
1.84 + ///
1.85 + TimeStamp operator-(const TimeStamp &b) const
1.86 + {
1.87 + TimeStamp t(*this);
1.88 + return t-=b;
1.89 + }
1.90 +
1.91 + ///The time ellapsed since the last call of stamp()
1.92 + TimeStamp ellapsed() const
1.93 + {
1.94 + TimeStamp t(NULL);
1.95 + return t-*this;
1.96 + }
1.97 +
1.98 + friend std::ostream& operator<<(std::ostream& os,const TimeStamp &t);
1.99 +
1.100 + ///Gives back the user time of the process
1.101 + double getUserTime() const
1.102 + {
1.103 + return double(ts.tms_utime)/sysconf(_SC_CLK_TCK);
1.104 + }
1.105 + ///Gives back the system time of the process
1.106 + double getSystemTime() const
1.107 + {
1.108 + return double(ts.tms_stime)/sysconf(_SC_CLK_TCK);
1.109 + }
1.110 + ///Gives back the user time of the process' children
1.111 + double getCUserTime() const
1.112 + {
1.113 + return double(ts.tms_cutime)/sysconf(_SC_CLK_TCK);
1.114 + }
1.115 + ///Gives back the user time of the process' children
1.116 + double getCSystemTime() const
1.117 + {
1.118 + return double(ts.tms_cstime)/sysconf(_SC_CLK_TCK);
1.119 + }
1.120 + ///Gives back the real time of the process
1.121 + double getRealTime() const {return real_time;}
1.122 + };
1.123 +
1.124 + ///Class measuring the cpu time and real time usage of the process
1.125 + class Timer
1.126 + {
1.127 + TimeStamp start_time;
1.128 +
1.129 + void _reset() {start_time.stamp();}
1.130 +
1.131 + public:
1.132 + ///Constructor. It starts with zero time counters
1.133 + Timer() {_reset();}
1.134 +
1.135 + ///Computes the ellapsed time
1.136 +
1.137 + ///This conversion computes the ellapsed time
1.138 + ///since the construction of \c t or since
1.139 + ///the last \c t.reset().
1.140 + operator TimeStamp ()
1.141 + {
1.142 + TimeStamp t;
1.143 + t.stamp();
1.144 + return t-start_time;
1.145 + }
1.146 +
1.147 + ///Resets the time counters
1.148 + TimeStamp reset()
1.149 + {
1.150 + TimeStamp t(start_time);
1.151 + _reset();
1.152 + return start_time-t;
1.153 + }
1.154 + };
1.155 +
1.156 + ///Prints the time counters
1.157 +
1.158 + ///Prints the time counters in the folloing form:
1.159 + ///
1.160 + /// u: XX.XXs s: XX.XXs cu: XX.XXs cs: XX.XXs real: XX.XXs
1.161 + ///
1.162 + /// where the values are the
1.163 + /// - a user cpu time,
1.164 + /// - a system cpu time,
1.165 + /// - a user cpu time of children,
1.166 + /// - a system cpu time of children and
1.167 + /// - a real time,
1.168 + ///
1.169 + ///respectively
1.170 + inline std::ostream& operator<<(std::ostream& os,const TimeStamp &t)
1.171 + {
1.172 + long cls = sysconf(_SC_CLK_TCK);
1.173 + os << "u: " << double(t.getTms().tms_utime)/cls <<
1.174 + "s, s: " << double(t.getTms().tms_stime)/cls <<
1.175 + "s, cu: " << double(t.getTms().tms_cutime)/cls <<
1.176 + "s, cs: " << double(t.getTms().tms_cstime)/cls <<
1.177 + "s, real: " << t.getRealTime() << "s";
1.178 + return os;
1.179 + }
1.180 +
1.181 + /// @}
1.182 +
1.183 +} //namespace hugo
1.184 +
1.185 +#endif //HUGO_TIME_MEASURE_H
2.1 --- a/src/work/marci/time_measure.h Mon Apr 26 17:39:15 2004 +0000
2.2 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000
2.3 @@ -1,182 +0,0 @@
2.4 -// -*- c++ -*-
2.5 -#ifndef HUGO_TIME_MEASURE_H
2.6 -#define HUGO_TIME_MEASURE_H
2.7 -
2.8 -///ingroup graphs
2.9 -///\file
2.10 -///\brief Tools for measuring cpu usage
2.11 -
2.12 -#include <sys/time.h>
2.13 -#include <sys/times.h>
2.14 -#include <fstream>
2.15 -#include <iostream>
2.16 -#include <unistd.h>
2.17 -
2.18 -namespace hugo {
2.19 -
2.20 - /// \addtogroup misc
2.21 - /// @{
2.22 -
2.23 - /// A class to store (cpu)time instances.
2.24 -
2.25 - /// This class stores five time values.
2.26 - /// - a real time
2.27 - /// - a user cpu time
2.28 - /// - a system cpu time
2.29 - /// - a user cpu time of children
2.30 - /// - a system cpu time of children
2.31 - ///
2.32 - /// TimeStamp's can be added to or substracted from each other and
2.33 - /// they can be pushed to a stream.
2.34 -
2.35 - class TimeStamp
2.36 - {
2.37 - tms ts;
2.38 - double real_time;
2.39 -
2.40 - public:
2.41 -
2.42 - tms &getTms() {return ts;}
2.43 - const tms &getTms() const {return ts;}
2.44 - ///Read the current time values of the process
2.45 - void stamp()
2.46 - {
2.47 - timeval tv;
2.48 - times(&ts);
2.49 - gettimeofday(&tv, 0);real_time=tv.tv_sec+double(tv.tv_usec)/1e6;
2.50 - }
2.51 -
2.52 - /// Constructor initializing with zero
2.53 - TimeStamp()
2.54 - { ts.tms_utime=ts.tms_stime=ts.tms_cutime=ts.tms_cstime=0; real_time=0;}
2.55 - ///Constructor initializing with the current time values of the process
2.56 - TimeStamp(void *) { stamp();}
2.57 -
2.58 - ///
2.59 - TimeStamp &operator+=(const TimeStamp &b)
2.60 - {
2.61 - ts.tms_utime+=b.ts.tms_utime;
2.62 - ts.tms_stime+=b.ts.tms_stime;
2.63 - ts.tms_cutime+=b.ts.tms_cutime;
2.64 - ts.tms_cstime+=b.ts.tms_cstime;
2.65 - real_time+=b.real_time;
2.66 - return *this;
2.67 - }
2.68 - ///
2.69 - TimeStamp operator+(const TimeStamp &b) const
2.70 - {
2.71 - TimeStamp t(*this);
2.72 - return t+=b;
2.73 - }
2.74 - ///
2.75 - TimeStamp &operator-=(const TimeStamp &b)
2.76 - {
2.77 - ts.tms_utime-=b.ts.tms_utime;
2.78 - ts.tms_stime-=b.ts.tms_stime;
2.79 - ts.tms_cutime-=b.ts.tms_cutime;
2.80 - ts.tms_cstime-=b.ts.tms_cstime;
2.81 - real_time-=b.real_time;
2.82 - return *this;
2.83 - }
2.84 - ///
2.85 - TimeStamp operator-(const TimeStamp &b) const
2.86 - {
2.87 - TimeStamp t(*this);
2.88 - return t-=b;
2.89 - }
2.90 -
2.91 - ///The time ellapsed since the last call of stamp()
2.92 - TimeStamp ellapsed() const
2.93 - {
2.94 - TimeStamp t(NULL);
2.95 - return t-*this;
2.96 - }
2.97 -
2.98 - friend std::ostream& operator<<(std::ostream& os,const TimeStamp &t);
2.99 -
2.100 - ///Gives back the user time of the process
2.101 - double getUserTime() const
2.102 - {
2.103 - return double(ts.tms_utime)/sysconf(_SC_CLK_TCK);
2.104 - }
2.105 - ///Gives back the system time of the process
2.106 - double getSystemTime() const
2.107 - {
2.108 - return double(ts.tms_stime)/sysconf(_SC_CLK_TCK);
2.109 - }
2.110 - ///Gives back the user time of the process' children
2.111 - double getCUserTime() const
2.112 - {
2.113 - return double(ts.tms_cutime)/sysconf(_SC_CLK_TCK);
2.114 - }
2.115 - ///Gives back the user time of the process' children
2.116 - double getCSystemTime() const
2.117 - {
2.118 - return double(ts.tms_cstime)/sysconf(_SC_CLK_TCK);
2.119 - }
2.120 - ///Gives back the real time of the process
2.121 - double getRealTime() const {return real_time;}
2.122 - };
2.123 -
2.124 - ///Class measuring the cpu time and real time usage of the process
2.125 - class Timer
2.126 - {
2.127 - TimeStamp start_time;
2.128 -
2.129 - void _reset() {start_time.stamp();}
2.130 -
2.131 - public:
2.132 - ///Constructor. It starts with zero time counters
2.133 - Timer() {_reset();}
2.134 -
2.135 - ///Computes the ellapsed time
2.136 -
2.137 - ///This conversion computes the ellapsed time
2.138 - ///since the construction of \c t or since
2.139 - ///the last \c t.reset().
2.140 - operator TimeStamp ()
2.141 - {
2.142 - TimeStamp t;
2.143 - t.stamp();
2.144 - return t-start_time;
2.145 - }
2.146 -
2.147 - ///Resets the time counters
2.148 - TimeStamp reset()
2.149 - {
2.150 - TimeStamp t(start_time);
2.151 - _reset();
2.152 - return start_time-t;
2.153 - }
2.154 - };
2.155 -
2.156 - ///Prints the time counters
2.157 -
2.158 - ///Prints the time counters in the folloing form:
2.159 - ///
2.160 - /// u: XX.XXs s: XX.XXs cu: XX.XXs cs: XX.XXs real: XX.XXs
2.161 - ///
2.162 - /// where the values are the
2.163 - /// - a user cpu time,
2.164 - /// - a system cpu time,
2.165 - /// - a user cpu time of children,
2.166 - /// - a system cpu time of children and
2.167 - /// - a real time,
2.168 - ///
2.169 - ///respectively
2.170 - inline std::ostream& operator<<(std::ostream& os,const TimeStamp &t)
2.171 - {
2.172 - long cls = sysconf(_SC_CLK_TCK);
2.173 - os << "u: " << double(t.getTms().tms_utime)/cls <<
2.174 - "s, s: " << double(t.getTms().tms_stime)/cls <<
2.175 - "s, cu: " << double(t.getTms().tms_cutime)/cls <<
2.176 - "s, cs: " << double(t.getTms().tms_cstime)/cls <<
2.177 - "s, real: " << t.getRealTime() << "s";
2.178 - return os;
2.179 - }
2.180 -
2.181 - /// @}
2.182 -
2.183 -} //namespace hugo
2.184 -
2.185 -#endif //HUGO_TIME_MEASURE_H