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Date: Mon, 28 Apr 2014 13:00:03 +0200
From: Jiri Olsa <jolsa@redhat.com>
To: Christian Borntraeger <borntraeger@de.ibm.com>
Cc: linux-kernel@vger.kernel.org, Corey Ashford <cjashfor@linux.vnet.ibm.com>,
        David Ahern <dsahern@gmail.com>,
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        Arnaldo Carvalho de Melo <acme@ghostprotocols.net>,
        Jean Pihet <jean.pihet@linaro.org>
Subject: Re: [PATCH 1/3] perf tools: Cache register accesses for unwind
 processing
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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