linux-kernel - Re: [PATCH] perf tools: introduce arm64 support unwind test.

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Message-ID: <20150529133255.GS24859@kernel.org>
Date:	Fri, 29 May 2015 10:32:55 -0300
From:	Arnaldo Carvalho de Melo <acme@...nel.org>
To:	Jiri Olsa <jolsa@...hat.com>
Cc:	"Wangnan (F)" <wangnan0@...wei.com>,
	Namhyung Kim <namhyung@...nel.org>, lizefan@...wei.com,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] perf tools: introduce arm64 support unwind test.

Em Fri, May 29, 2015 at 11:21:19AM +0200, Jiri Olsa escreveu:
> On Thu, May 28, 2015 at 10:43:14AM -0300, Arnaldo Carvalho de Melo wrote:
> > Em Thu, May 28, 2015 at 03:17:26PM +0800, Wangnan (F) escreveu:
> > > Ping?

> > Jiri, Ack?
 
> yep, I've already ack-ed that.. should be on the lkml somewhere ;-)
 
> > And from a quick look, isn't this better split in two pieces, i.e. the
> > first wiring up ARM64 to libunwing, i.e. all those perf_regs.h files
> > being added to tools/perf/arch/arm64/, and then a second patch, enabling
> > the dwarf unwind 'perf test' entry to run on ARM64?
 
> I guess.. but the change is fairly small, so it did not occur
> to me as necessary..

:-)

I felt mislead when looking at the subject, i.e. "hey, a new test,
testing unwind on arm64", no, it wasn't that, it introduces support for
unwind on ARM64 by providing that regs mapping, then it _enables_ an
existing test on arm64 :-\

- Arnaldo
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