linux-kernel - Re: [PATCH 2/3] perf: Add support for extra parameters for raw events

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:	Thu, 11 Nov 2010 20:59:47 +0100
From:	Peter Zijlstra <a.p.zijlstra@...llo.nl>
To:	Andi Kleen <andi@...stfloor.org>
Cc:	Corey Ashford <cjashfor@...ux.vnet.ibm.com>,
	Andi Kleen <ak@...ux.intel.com>, linux-kernel@...r.kernel.org,
	fweisbec@...il.com, mingo@...e.hu, acme@...hat.com,
	eranian@...gle.com
Subject: Re: [PATCH 2/3] perf: Add support for extra parameters for raw
 events

On Thu, 2010-11-11 at 20:49 +0100, Andi Kleen wrote:
> > I think it would have parsed OK, but it is a confusing syntax to
> > look at.  I should point out that there are also the u,k,h modifiers
> > which can be specified, even on raw events, so the full syntax looks
> > something like:
> > 
> > -e rXXXX[+YYYY][:u|:k|:h]
> 
> Ok I can fix the help text for that.

If we're frobbing it in the existing config qword, do we still need
special syntax?

Also, I think we can use the same mechanism to program the
PEBS-load-latency MSR, right?
--
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/