I forgot to take into account that you're working on a Win98
box. The case is that profiling has never been supported on
that OS (any Win9x box, really), for lazy implementor reasons
mostly.
I've added a Win9x solution that will work (but the timer resolution
is not as good as on an NT-based OS) -- next release should have
this included. For ghc-5.02.1 users, download
http://www.galois.com/~sof/Stats.p_o
and include it when linking a profiling-based application (or, if you're
comfortable using 'ar' to replace entries in an archive, update libHSrts_p.a
to include the above Stats.p_o instead).
hth
--sigbjorn
----- Original Message -----
From: "Andre W B Furtado" <[EMAIL PROTECTED]>
To: "Sigbjorn Finne" <[EMAIL PROTECTED]>
Cc: <[EMAIL PROTECTED]>
Sent: Saturday, November 17, 2001 21:25
Subject: Re: profiling problem
> > Turn down the context switching time and/or the delta between
> > profiling samples, e.g., to get the max amount of data, do
> >
> > prog +RTS -h -C0 -i0
>
> When I did this, the size of the .ps file increased, but I'm still getting
> an empty graph... Can anyone compile the following simple program with
> GHC-5.02(.1) under a Windows platform and check how the heap profile looks
> like?
>
> main = print (f 25 + g 25)
> f n = nfib n
> g n = nfib (n `div` 2)
> nfib n = if n < 2 then 1 else nfib (n-1) + nfib (n-2)
>
> -- Andre
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