regtime.h Source File

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 <util/class/class.h>
00037 
00038 namespace sc {
00039 
00040 class TimedRegion;
00041 
00042 class RegionTimer: public DescribedClass {
00043   protected:
00044     int wall_time_;
00045     int cpu_time_;
00046     int flops_;
00047 
00048     TimedRegion *top_;
00049     TimedRegion *current_;
00050     TimedRegion *default_;
00051 
00052   public:
00053     RegionTimer(const char *topname = "total",
00054                 int cpu_time = 0, int wall_time = 1);
00055     RegionTimer(const Ref<KeyVal> &);
00056     ~RegionTimer();
00057     void enter(const char * = 0);
00058     void change(const char *newname, const char * oldname = 0);
00059     void exit(const char * = 0);
00060     void set_default(const char *);
00061     void unset_default();
00062     void enter_default();
00063     void exit_default();
00064     virtual void print(std::ostream& = ExEnv::out0()) const;
00065 
00066     void update_top() const;
00067 
00068     int nregion() const;
00069     void get_region_names(const char *names[]) const;
00070     void get_wall_times(double *) const;
00071     void get_cpu_times(double *) const;
00072     void get_flops(double *) const;
00073     void get_depth(int *) const;
00074 
00075     double get_wall_time() const;
00076     double get_cpu_time() const;
00077     double get_flops() const;
00078 
00079     void add_wall_time(const char *, double);
00080     void add_cpu_time(const char *, double);
00081     void add_flops(const char *, double);
00082 
00083     static RegionTimer *default_regiontimer();
00084     static void set_default_regiontimer(const Ref<RegionTimer> &);
00085 };
00086 
00087 }
00088 
00089 #endif
00090 
00091 // Local Variables:
00092 // mode: c++
00093 // c-file-style: "CLJ"
00094 // End: