linux-kernel - Re: [GIT PULL] perf changes for v3.8

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Date:	Wed, 12 Dec 2012 20:16:47 -0700
From:	David Ahern <dsahern@...il.com>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
CC:	Ingo Molnar <mingo@...nel.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Arnaldo Carvalho de Melo <acme@...radead.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Thomas Gleixner <tglx@...utronix.de>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [GIT PULL] perf changes for v3.8

On 12/12/12 8:09 PM, Linus Torvalds wrote:
> On Wed, Dec 12, 2012 at 7:02 PM, David Ahern <dsahern@...il.com> wrote:
>>
>> Can you add -v and see if it spits out more info?
>
> No more info.

I'm surprised you are not seeing this as well:

            } else if ((err == EOPNOTSUPP) && (attr->precise_ip)) {
                 ui__error("\'precise\' request may not be supported. "
                       "Try removing 'p' modifier\n");
                 rc = -err;
                 goto out;
             }

I made changes in this area relatively recently; I'll take a look.

David


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