This is the mail archive of the gcc@gcc.gnu.org mailing list for the GCC project.

Index Nav:	[Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav:	[Date Prev] [Date Next]	[Thread Prev] [Thread Next]

Re: Timing information for CFG manipulations

To: Brad Lucier <lucier at math dot purdue dot edu>
Subject: Re: Timing information for CFG manipulations
From: Zack Weinberg <zack at codesourcery dot com>
Date: Tue, 16 Oct 2001 21:15:26 -0700
Cc: jh at suse dot cz, gcc at gcc dot gnu dot org
References: <20011013214715.S379@codesourcery.com> <200110151858.f9FIwIG21154@banach.math.purdue.edu>

On Mon, Oct 15, 2001 at 01:58:18PM -0500, Brad Lucier wrote:
> > 
> > - Can you repeat this test with cc1 linked against a profile-
> > instrumented libc,
> 
> Unfortunately, on this box libc_p.a seems to be significantly older than
> libc.a and there are link errors.

Weird.  What system is this?

> > and libiberty re-built with CFLAGS="-O2 -g -pg"?
> 
> I tried this, too, and it links, but I can't get a gmon.out file from
> running the resulting cc1.  Perhaps I just don't know how to do such
> things properly.

Hmm, the only thing I can think of is if you forgot to spec CFLAGS
including -pg when re-linking cc1; leave that out and gcrt1.o isn't
loaded, and the profiler never gets started.

zw

References:
- Re: Timing information for CFG manipulations
  - From: Zack Weinberg
- Re: Timing information for CFG manipulations
  - From: Brad Lucier

Index Nav:	[Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav:	[Date Prev] [Date Next]	[Thread Prev] [Thread Next]