linux-kernel - Re: [PATCHv2 2/8] perf probe: Improve detection of file/function name in the probe pattern

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Message-ID: <20150427050952.GD6113@naverao1-tp.in.ibm.com>
Date:	Mon, 27 Apr 2015 10:39:53 +0530
From:	"Naveen N. Rao" <naveen.n.rao@...ux.vnet.ibm.com>
To:	Masami Hiramatsu <masami.hiramatsu.pt@...achi.com>
Cc:	Arnaldo Carvalho de Melo <acme@...nel.org>,
	linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org,
	mpe@...erman.id.au, ananth@...ibm.com
Subject: Re: [PATCHv2 2/8] perf probe: Improve detection of file/function
 name in the probe pattern

On 2015/03/13 08:20PM, Masami Hiramatsu wrote:
> (2015/03/13 5:24), Arnaldo Carvalho de Melo wrote:
> > Em Mon, Dec 15, 2014 at 08:20:32PM +0530, Naveen N. Rao escreveu:
> >> Currently, perf probe considers patterns including a '.' to be a file.
> >> However, this causes problems on powerpc ABIv1 where all functions have
> >> a leading '.':
> >>
> >>   $ perf probe -F | grep schedule_timeout_interruptible
> >>   .schedule_timeout_interruptible
> >>   $ perf probe .schedule_timeout_interruptible
> >>   Semantic error :File always requires line number or lazy pattern.
> >>     Error: Command Parse Error.
> >>
> >> Fix this by checking the probe pattern in more detail.
> > 
> > Masami, can I have your Acked-by or Reviewed-by?
> 
> As far as I can see, this is not enough for fixing that issue.
> Could you fold the first half of [4/8] to this patch?
> I also have some comments on it. See below.

Masami, Arnaldo,
Thanks for the review. v3 patches forthcoming...

- Naveen

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