linux-kernel - Re: [PATCH 1/1 tip] perf top: Move hard coded list to /etc/perfconfig/symbols.skip

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20090728141753.GI28349@ghostprotocols.net>
Date:	Tue, 28 Jul 2009 11:17:53 -0300
From:	Arnaldo Carvalho de Melo <acme@...hat.com>
To:	Ray Lee <ray-lk@...rabbit.org>
Cc:	Ingo Molnar <mingo@...e.hu>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Mike Galbraith <efault@....de>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Paul Mackerras <paulus@...ba.org>,
	"H. Peter Anvin" <hpa@...or.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/1 tip] perf top: Move hard coded list to
	/etc/perfconfig/symbols.skip

Em Mon, Jul 27, 2009 at 08:58:08PM -0700, Ray Lee escreveu:
> On Mon, Jul 27, 2009 at 5:10 PM, Arnaldo Carvalho de
> Melo<acme@...hat.com> wrote:
> > This also paves the way to add more symbol lists to be filtered out,
> > spinlock anyone?
> 
> Generally, the way I've found is best to handle things like this is to either:
> 
> A. Have a fall-back list to use if the file isn't found, or
> B. Start with the fall-back list of symbols to filter, then add to
> them via /etc/... and ~/.perf/...
> 
> I like approaching things from the 'everything works even in a
> broken/hasty installation' point of view, and it's paid off for me.
> Sane defaults are a wonderfully useful thing.

While in general we agree with you, in this case the only problem would
be that we would see a few functions on idle systems, i.e. not something
catastrophic.

- Arnaldo
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/