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Message-Id:	<200303121449.h2CEndUH187268@pimout4-ext.prodigy.net>
From:	Tim Prince <timothyprince AT sbcglobal DOT net>
Reply-To:	tprince AT computer DOT org
To:	"Elfyn McBratney" <elfyn-cygwin AT exposure DOT org DOT uk>,
	"cygwin" <cygwin AT cygwin DOT com>,
	"Manik, Raina \(IE10\)" <Manik DOT Raina AT honeywell DOT com>
Subject:	Re: profilers for cygwin
Date:	Wed, 12 Mar 2003 06:49:38 -0800
References:	<CDDB93E84A8DD411B01900D0B78278400F2E24DF AT IE10-SAHARA> <006d01c2e867$b165ceb0$745686d9 AT webdev>
In-Reply-To:	<006d01c2e867$b165ceb0$745686d9@webdev>
MIME-Version:	1.0

On Tuesday 11 March 2003 23:19, Elfyn McBratney wrote:
> > A quick question, is there a profiler available on cygwin ?
> > Even a primitive one will do. Please cc: me on the reply since
> > i'm not on the list. I've looked this up through google but
> > to no avail...
>
> If you have binutils installed, then the answer is yes :-) If not install
> the binutils package via setup.exe and your ready to go.
>
> The profiler is called gprof, but before you are able to use it you'll need
> to make sure that the binaries that you want to profile support the
> profileing mechanism. When you compile a binary just specify yhe `-pg'
> option to g{cc,++,77} (in addition to the options you normally use to
> compile) and this will amke sure that you new compiled binary contains the
> needed data.
In order to use -pg with g77 in cygwin, you must supply your own -pg built 
copy of at least main() from libf2c, but preferably the entire libg2c.  
Switching in -pg library support for g77 isn't automatic in cygwin, as it is 
in glibc.  Even so, availability of -pg is a tremendous advantage in the 
Windows world. 
>
> For help with the profiler take a look at the man page `man 1 gprof' also
> there is a vast amount of documents/tutorials on the web. A google for
> "gprof" returned tones of results.
>
>
> Regards,
>
> Elfyn McBratney
> elfyn AT exposure DOT org DOT uk
> www.exposure.org.uk

-- 
Tim Prince

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