linux-kernel - Re: [V3][PATCH 0/7] perf, x86: Implement AMD IBS

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]

Date:	Mon, 10 Oct 2011 08:05:37 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Peter Zijlstra <peterz@...radead.org>
Cc:	Andi Kleen <andi@...stfloor.org>,
	Robert Richter <robert.richter@....com>,
	Stephane Eranian <eranian@...gle.com>,
	LKML <linux-kernel@...r.kernel.org>,
	Don Zickus <dzickus@...hat.com>,
	acme <acme@...stprotocols.net>,
	Frédéric Weisbecker <fweisbec@...il.com>,
	Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [V3][PATCH 0/7] perf, x86: Implement AMD IBS


* Peter Zijlstra <peterz@...radead.org> wrote:

> On Tue, 2011-10-04 at 09:41 -0700, Andi Kleen wrote:
> > Ingo Molnar <mingo@...e.hu> writes:
> > >
> > >  - Testable IBS user-space code a bit more prominently integrated
> > >    than having to go down into a cellar with no working lights and 
> > >    finding the code on display in tools/perf/Documentation/examples/ 
> > >    on the bottom of a locked filing cabinet stuck in a disused
> > >    lavatory with a sign on the door saying 'Beware of the Leopard.'
> > 
> > I looked at this for PEBS, and the best solution currently seems
> > to be a python script that works with perf script and does some post
> > processing to present the data as summary or individual samples.
> > I assume that could work for IBS too.
> > 
> > Comments?
> 
> I would much prefer perf {ibs,pebs} commands implemented in C, so 
> that normal people can change/improve them too.

The other issue is performance, obviously. So for core functionality 
we are pretty sure we want to offer to everyone C is the preferred 
form.

Scripting integration *in addition* to that is obviously welcome too.

Thanks,

	Ingo
--
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/