linux-kernel - Re: perf report broken for branch stack samples

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Message-ID: <20150406233535.GF15335@tassilo.jf.intel.com>
Date:	Mon, 6 Apr 2015 16:35:35 -0700
From:	Andi Kleen <ak@...ux.intel.com>
To:	Anshuman Khandual <khandual@...ux.vnet.ibm.com>
Cc:	Linux PPC dev <linuxppc-dev@...abs.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Sukadev Bhattiprolu <sukadev@...ux.vnet.ibm.com>,
	Michael Ellerman <michaele@....ibm.com>,
	Arnaldo Carvalho de Melo <acme@...nel.org>
Subject: Re: perf report broken for branch stack samples

On Wed, Apr 01, 2015 at 02:32:54PM +0530, Anshuman Khandual wrote:
> Hello,
> 
> perf report is not showing up the branch stack sample results in the
> from_symbol ---> to_symbol format even if the perf.data file has got
> the samples (through 'perf record -b <workload>' session). Perf report

Sorry for the late answer. This was already fixed in tip by 

commit fefd2d9619de3bf0bf02a8622e9f445c3d19cc3f
Author: He Kuang <hekuang@...wei.com>
Date:   Sun Feb 15 10:33:37 2015 +0800

    perf report: Fix branch stack mode cannot be set

-Andi
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