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:	Fri, 12 Nov 2010 14:30:22 +0100
From:	Frederic Weisbecker <fweisbec@...il.com>
To:	Stephane Eranian <eranian@...gle.com>
Cc:	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Andi Kleen <andi@...stfloor.org>,
	Corey Ashford <cjashfor@...ux.vnet.ibm.com>,
	Andi Kleen <ak@...ux.intel.com>, linux-kernel@...r.kernel.org,
	mingo@...e.hu, acme@...hat.com, paulus <paulus@...ba.org>
Subject: Re: [PATCH 2/3] perf: Add support for extra parameters for raw
	events

On Fri, Nov 12, 2010 at 02:00:43PM +0100, Stephane Eranian wrote:
> On Fri, Nov 12, 2010 at 12:36 PM, Peter Zijlstra <a.p.zijlstra@...llo.nl> wrote:
> > On Fri, 2010-11-12 at 11:49 +0100, Stephane Eranian wrote:
> >> The difficulty with PEBS-LL (load latency) is not so much the encoding of the
> >> latency. It is more how to expose the data back to user. You get a full PEBS
> >> record for each miss. So you get the PEBS machine state + data addr, miss
> >> latency, and data source (where did the line come from). We have already
> >> discussed how to expose machine state in general. I'll work on a patch for this.
> >
> > Frederic was working on this PERF_SAMPLE_REGS stuff as well for his copy
> > the stack top and let dwarfs go wild at it patches.
> >
> Ok, I'll talk to him again about this then.


Would you like me to respin this isolated chunk of my dwarf cfi unwinding patchset?
So that we can discuss the ABI.

Thanks.

--
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/