linux-kernel - Re: [PATCH 1/3] perf tools: Cache register accesses for unwind processing

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Message-ID: <20140428110003.GA18628@krava.brq.redhat.com>
Date:	Mon, 28 Apr 2014 13:00:03 +0200
From:	Jiri Olsa <jolsa@...hat.com>
To:	Christian Borntraeger <borntraeger@...ibm.com>
Cc:	linux-kernel@...r.kernel.org,
	Corey Ashford <cjashfor@...ux.vnet.ibm.com>,
	David Ahern <dsahern@...il.com>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Ingo Molnar <mingo@...nel.org>,
	Namhyung Kim <namhyung@...nel.org>,
	Paul Mackerras <paulus@...ba.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Arnaldo Carvalho de Melo <acme@...stprotocols.net>,
	Jean Pihet <jean.pihet@...aro.org>
Subject: Re: [PATCH 1/3] perf tools: Cache register accesses for unwind
 processing

On Mon, Apr 28, 2014 at 12:39:24PM +0200, Christian Borntraeger wrote:

SNIP

> >  {
> > 
> 
> Want such a speedup, 
> but it does not compile on my s390x system:

the speed up is for DWARF unwind report, which is not yet
supported on s390x perf.. still it should compile ;-)

I'll try to get some s390x and make a fix

thanks,
jirka
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