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Re: ll/sc emulation patch

To: Ralf Baechle <ralf@oss.sgi.com>
Subject: Re: ll/sc emulation patch
From: Florian Lohoff <flo@rfc822.org>
Date: Mon, 16 Jul 2001 12:03:47 +0200
Cc: "Maciej W. Rozycki" <macro@ds2.pg.gda.pl>, Jan-Benedict Glaw <jbglaw@lug-owl.de>, linux-mips@oss.sgi.com, linux-mips@fnet.fr
In-reply-to: <20010714125312.A6713@bacchus.dhis.org>; from ralf@oss.sgi.com on Sat, Jul 14, 2001 at 12:53:12PM +0200
Organization: rfc822 - pure communication
References: <20010712224520.C23062@bacchus.dhis.org> <Pine.GSO.3.96.1010713124802.3193B-100000@delta.ds2.pg.gda.pl> <20010714125312.A6713@bacchus.dhis.org>
Sender: flo@rfc822.org
User-agent: Mutt/1.3.17i
On Sat, Jul 14, 2001 at 12:53:12PM +0200, Ralf Baechle wrote:
> Have you ever profiled the number of calls to MIPS_ATOMIC_SET or
> _test_and_set?  They'll be the other factor in a decission.

Against glibc 2.2 compiled bins do it 20-30 times on startup ... Just
try an strace and you'll astonished ... Even sleep (What on earth
is atomic in sleep ?)

Flo
-- 
Florian Lohoff                  flo@rfc822.org             +49-5201-669912
     Why is it called "common sense" when nobody seems to have any?

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