NAME
Devel::FileProfiler - quick & easy per-file statistical profiler
SYNOPSIS
use Devel::FileProfile;
DESCRIPTION
Devel::FileProfile is a very simple statistical profiler. Unlike
Devel::Profile, it will not slow down the execution of your program and
it will not take forever to generate the profile results.
On the other hand, the profile results are not nearly as detailed.
To use it, just "use Devel::FileProfile" in any file you want profiled.
When your program is done executing, it will dump a partial code-listing
to STDERR with the percentage of time spent on each line annotated. It
does statistical sampling so most lines won't be listed.
The output format is:
%%% line# code
For each line listed, several lines of the surrounding code are shown to
provide context.
There are many improvements that could be made to this module. Feel free
to make them and send a patch to the author. The module meets the
author's needs as is. The code is very very simple.
BUGS
Devel::FileProfile uses $SIG{ALRM}. It is not currently compatabile with
any other uses of $SIG{ALRM}. It potentially could know about things
like Event and use them but it does not currently do that.
AUTHOR
Copyright (C) 2007, David Muir Sharnoff <
[email protected]> This module may
be used and copied on the same terms as Perl itself.
