ANN: prof2dot, version 0.4.1

[Greg Fitzgerald]

> Sounds fantastic

I'm using 'prof2dot' on a ~3000 LOC project and it's working well.  Visual
quality metrics like this and Haskell Program Coverage makes using Haskell
in the corporate world a little easier to pull off.  Zero crash reports
helps too.  ;-)

-Greg F



On Tue, Aug 5, 2008 at 1:02 PM, Neil Mitchell <ndmitchell at gmail.com> wrote:

> Hi Gregory,
>
> Sounds fantastic. I'd love to see a single example of the resultant
> .dot file, so I can figure out just how useful this might be to me.
>
> Thanks
>
> Neil
>
> On Tue, Aug 5, 2008 at 8:50 PM, Gregory Wright <gwright at comcast.net>
> wrote:
> >
> > I am pleased to announce the release of prof2dot version 0.4.1,
> > a graphical profiling tool for use with GHC.
> >
> > The program is a filter that takes the profiling output generated by
> running
> > a GHC-compiled program with the "+RTS -px -RTS" option and turns it into
> > a dot file.  (The "dot" format is a textual representation of a directed
> or
> > undirected graph.)
> > The dot file can rendered in any format supported by Graphviz's
> > dot program, and the file itself can be post-processed or edited to
> adjust
> > the
> > layout.
> >
> > The new release fixes a number of bugs and has some significant
> > improvements in its internal organization over the previous 0.3.1
> > ("Premature Optimizations 'r' Us") release.
> >
> > Version 0.4.1 ("Triumph of Hope Over Experience") defaults to generating
> > a call graph colored by number of entries into each call center.  There
> > is now an option to annotate the graph edges with the triple of
> > (cost center entries, ticks, allocations).  Module names are also given
> > in each cost center.
> >
> > The latest version has been tested on the profiling output of some
> > moderately
> > large programs, e.g., the profile produced by a "darcs get" of the entire
> > ghc repository:
> >
> >        $ darcs get http://darcs.haskell.org/ghc +RTS -px -RTS
> >
> > There is also better error reporting of parser errors and consistency
> > checking
> > of the internal graph data structure.  If anyone comes across a parse
> > failure
> > or an assertion failure, please report it to the author.
> >
> > The "dot" program from the graphviz tools is required to render the
> output
> > of prof2dot.
> > Very large graphs, or graphs with extensive annotations, can exceed the
> > capabilities of dot.
> >
> > Prof2dot is available from Hackage in the "development" category.
> >
> > -Greg
> > _______________________________________________
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> > Glasgow-haskell-users at haskell.org
> > http://www.haskell.org/mailman/listinfo/glasgow-haskell-users
> >
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