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regtime.h

00001 //
00002 // regtime.h
00003 //
00004 // Copyright (C) 1996 Limit Point Systems, Inc.
00005 //
00006 // Author: Curtis Janssen <cljanss@limitpt.com>
00007 // Maintainer: LPS
00008 //
00009 // This file is part of the SC Toolkit.
00010 //
00011 // The SC Toolkit is free software; you can redistribute it and/or modify
00012 // it under the terms of the GNU Library General Public License as published by
00013 // the Free Software Foundation; either version 2, or (at your option)
00014 // any later version.
00015 //
00016 // The SC Toolkit is distributed in the hope that it will be useful,
00017 // but WITHOUT ANY WARRANTY; without even the implied warranty of
00018 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00019 // GNU Library General Public License for more details.
00020 //
00021 // You should have received a copy of the GNU Library General Public License
00022 // along with the SC Toolkit; see the file COPYING.LIB.  If not, write to
00023 // the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
00024 //
00025 // The U.S. Government is granted a limited license as per AL 91-7.
00026 //
00027 
00028 #ifdef __GNUC__
00029 #pragma interface
00030 #endif
00031 
00032 #ifndef _util_misc_regtime_h
00033 #define _util_misc_regtime_h
00034 
00035 #include <iostream>
00036 #include <string>
00037 #include <util/class/class.h>
00038 
00039 namespace sc {
00040 
00041 class TimedRegion;
00042 
00048 class RegionTimer: public DescribedClass {
00049   protected:
00050     int wall_time_;
00051     int cpu_time_;
00052     int flops_;
00053 
00054     TimedRegion *top_;
00055     TimedRegion *current_;
00056     TimedRegion *default_;
00057 
00058   public:
00059     RegionTimer(const char *topname = "total",
00060                 int cpu_time = 0, int wall_time = 1);
00061     RegionTimer(const Ref<KeyVal> &);
00062     ~RegionTimer();
00063     void enter(const char * = 0);
00064     void change(const char *newname, const char * oldname = 0);
00065     void exit(const char * = 0);
00066     void set_default(const char *);
00067     void unset_default();
00068     void enter_default();
00069     void exit_default();
00070     virtual void print(std::ostream& = ExEnv::out0()) const;
00071 
00072     void update_top() const;
00073 
00074     int nregion() const;
00075     void get_region_names(const char *names[]) const;
00076     void get_wall_times(double *) const;
00077     void get_cpu_times(double *) const;
00078     void get_flops(double *) const;
00079     void get_depth(int *) const;
00080 
00081     double get_wall_time() const;
00082     double get_cpu_time() const;
00083     double get_flops() const;
00084 
00085     void add_wall_time(const char *, double);
00086     void add_cpu_time(const char *, double);
00087     void add_flops(const char *, double);
00088 
00089     static RegionTimer *default_regiontimer();
00090     static void set_default_regiontimer(const Ref<RegionTimer> &);
00091 };
00092 
00099 class Timer {
00100     Ref<RegionTimer> timer_;
00101     std::string name_;
00102     bool active_;
00103   public:
00107     Timer(const char *name);
00110     Timer(const Ref<RegionTimer> &, const char *name);
00112     ~Timer();
00116     void reset(const char * = 0);
00117 };
00118 
00119 }
00120 
00121 #endif
00122 
00123 // Local Variables:
00124 // mode: c++
00125 // c-file-style: "CLJ"
00126 // End:

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