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Subject: Re: Breakpoint when entering of functions on i386
From: Michael Snyder <msnyder@specifix.com>
To: yichun wang <wangych@gmail.com>
Cc: gdb@sourceware.org
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Date: Mon, 26 Nov 2007 18:23:00 -0000
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On Mon, 2007-11-26 at 15:10 +0800, yichun wang wrote:
> Hi,
> 
> I'm now working on a script which will print calling graph by stepping
> through program with GDB. The script actually works fine in some small
> cases, but one big performance bottleneck is that I used "watch $ebp"
> to catch the happening of function call, and it will become really
> slow when in some cases, local variable/arguments are heavily used. So
> my question is:
> 
>     Is there any better way in GDB to capture function call event?

What about just setting breakpoints on all functions?

That way, if there is a way to define an "interesting subset"
of functions, you can limit your breakpoints to that subset, 
and save a lot of time.