AutoProfiler - Automatically profile subroutine calls in a perl program.
    Copyright (C) 2001  Greg London

    This program is free software; you can redistribute it and/or modify
    it under the same terms as Perl 5 itself.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    Perl 5 License schemes for more details.

    contact the author via http://www.greglondon.com

NAME

    AutoProfiler - Automatically profile subroutine calls in a perl program.

SYNOPSIS

    use AutoProfiler;

DESCRIPTION

  The profiler module is completely automatic in its basic mode.
  You simply "use" the module at the top of you main script.
  The module will then automatically instrument all subroutines
  in the code, profile each subroutine call during the execution
  of the script, and print out a report of usage.

  To use the AutoProfiler module in your program, just put 
  this one line in your program:

      use Devel::AutoProfiler;

  everything else will happen automatically.


  AutoProfiler 1.1 handles prototyped subroutines.


  If you use a module that you do not want profiled, 
  "use" that module before you "use" the AutoProfiler module.

  i.e.

      use ThisModuleWillNotBeProfiled;

      use Devel::AutoProfiler;

      use ThisModuleWillGetProfiled;

  When the program completes, the AutoProfiler module will
  automatically print out information about all subroutines that
  were profiled.

  You can supply a callback which will be called at END time.
  This code reference will be passed a hash containing all the
  caller information in the form of a hash. Your callback routine
  can the do whatever it wishes with this information.

        use Data::Dumper;
        use Devel::AutoProfiler
                ( 
                -command => sub
                        {
                        my (%data) = @_;
        
                        print "this format provided by user callback \n";
        
                        print Dumper \%data;
                        }
                );

  If you do not supply a callback command, AutoProfiler prints out
  the caller information in reverse order by total time spent in
  a particular subroutine. This means that at the end of execution,
  all the information is printed out, and the last item listed uses
  the most processor time during execution.

EXPORT

  Every subroutine that exists at "INIT" time will be redefined
  to call an instrumented version of the subroutine.

INSTALLATION

  Devel::AutoProfiler now comes with a makefile to officially install into
  you perl area. To install, download the tarball, and then type

        perl Makefile.PL
        make
        make test
        make install

  There are some sample scripts in the tarball that you can play with to
  view how AutoProfiler works: test.pl, wantarray.pl, and callback.pl

AUTHOR

    AutoProfiler - Automatically profile subroutine calls in a perl program.
    Copyright (C) 2001  Greg London

    This program is free software; you can redistribute it and/or modify
    it under the same terms as Perl 5 itself.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    Perl 5 License schemes for more details.

    contact the author via http://www.greglondon.com

SEE ALSO

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