linux-kernel - Re: [PATCH 3/4] perf tools: Check libunwind for availability of dwarf parsing feature

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Message-ID: <20131008104740.GU3081@twins.programming.kicks-ass.net>
Date:	Tue, 8 Oct 2013 12:47:40 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	Jean Pihet <jean.pihet@...aro.org>
Cc:	Jiri Olsa <jolsa@...hat.com>, Ingo Molnar <mingo@...nel.org>,
	Will Deacon <will.deacon@....com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linaro-kernel@...ts.linaro.org" <linaro-kernel@...ts.linaro.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	Patch Tracking <patches@...aro.org>
Subject: Re: [PATCH 3/4] perf tools: Check libunwind for availability of
 dwarf parsing feature

On Tue, Oct 08, 2013 at 12:44:32PM +0200, Jean Pihet wrote:
> Hi,
> 
> On 26 September 2013 14:48, Jiri Olsa <jolsa@...hat.com> wrote:
> > On Thu, Sep 26, 2013 at 01:36:37PM +0200, Jean Pihet wrote:
> >> The newly added dwarf unwinding feature [1] requires:
> >> . a recent version (>= 1.1) of libunwind,
> >> . libunwind to be configured with --enable-debug-frame.
> >>
> >> [1] http://www.spinics.net/lists/kernel/msg1598951.html
> >>
> >> Add the corresponding API tests in the feature check list.
> >
> > Acked-by: Jiri Olsa <jolsa@...hat.com>
> >
> > thanks,
> > jirka
> 
> Thanks for the ack!
> 
> Is it possible to get an ack from the perf core maintainers?
> Also, is the patch going in Will's tree?

This being a tools patch you'd have to ask acme; also I know next to
nothing about all this unwind business except that its stupid expensive
;-)
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