linux-kernel - Re: [PATCH v1] perf report: Drop cycles 0 for LBR print

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Message-ID: <20170328192947.GD17135@kernel.org>
Date:   Tue, 28 Mar 2017 16:29:47 -0300
From:   Arnaldo Carvalho de Melo <acme@...nel.org>
To:     Andi Kleen <ak@...ux.intel.com>
Cc:     Jin Yao <yao.jin@...ux.intel.com>, jolsa@...nel.org,
        Linux-kernel@...r.kernel.org, kan.liang@...el.com,
        yao.jin@...el.com
Subject: Re: [PATCH v1] perf report: Drop cycles 0 for LBR print

Em Tue, Mar 28, 2017 at 10:05:44AM -0700, Andi Kleen escreveu:
> On Tue, Mar 28, 2017 at 12:34:52PM -0300, Arnaldo Carvalho de Melo wrote:
> > Em Thu, Mar 09, 2017 at 04:06:26PM +0800, Jin Yao escreveu:
> > > For some platforms, for example Broadwell, it doesn't support cycles
> > > for LBR. But the perf always prints cycles:0, it's not necessary.
> > > 
> > > The patch refactors the LBR info print code and drops the cycles:0.
> > > 
> > > For example: perf report --branch-history --no-children --stdio
> > 
> > Can I get some reviewed-by or acked-by for this patch? Andi? Kan?
> 
> Reviewed-by: Andi Kleen <ak@...ux.intel.com>

Thanks, applied.

- Arnaldo