With a recent snapshot of Cabal you can build a profiled version
of any library as follows (including for FPS):
$ ./Setup.hs configure -p
You'll then see ./Setup.hs build build the lib twice, once with and
once without profiling.
/usr/bin/ar: creating dist/build/libHSfps-0.1.a
/usr/bin/ar: creating dist/build/libHSfps-0.1_p.a
I'm using
$ ghc-pkg list Cabal
/home/dons/lib/ghc-6.4.1/package.conf:
Cabal-1.1.4
Cheers,
Don
jeremy.odonoghue:
>
> Hi list,
> I'm currently working on a pretty simple Haskell program to
> manipulate memory dumps taken from an embedded environment.
> The memory dumps are 64MB in length, so I manipulate them
> using Don Stuart's Fast Packed String library, as it
> supports mmapped files.
> I'm a relative Haskell newbie, so unsurprisingly my first
> attempt has dreadful performance (30% of time spent in GC),
> and I want to do some profiling to find out why.
> The difficulty is that I seem to be unable to produce a
> profiling-enabled version of the FPS library, which means
> that my application cannot be compiled with profiling
> enabled. I notice that most of the GHC libraries seem to
> come with both profiling and non-profiling versions enabled.
> Does anyone know how I can create both profiling and
> non-profiling version of FPS? As a matter of interest
> (feature request), why doesn't Cabal build profiling and
> non-profiling libraries as a matter of course, given that
> you can't link non-profiling code with profiling-enabled
> code?
> Thanks in advance
> Jeremy
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> Haskell-Cafe@haskell.org
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