linux-kernel - Re: [PATCH v2 2/6] perf report: Caculate and return the branch counting in callchain

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Message-ID: <CACbG309gmrJcK+Q2CjhWXBCvJh3yVOsYrc3ZsC4py36BhOcZVA@mail.gmail.com>
Date:   Thu, 20 Oct 2016 11:41:11 -0500
From:   Nilay Vaish <nilayvaish@...il.com>
To:     Jin Yao <yao.jin@...ux.intel.com>
Cc:     Arnaldo Carvalho de Melo <acme@...nel.org>,
        Jiri Olsa <jolsa@...nel.org>,
        Linux Kernel list <Linux-kernel@...r.kernel.org>,
        Andi Kleen <ak@...ux.intel.com>, kan.liang@...el.com
Subject: Re: [PATCH v2 2/6] perf report: Caculate and return the branch
 counting in callchain

On 19 October 2016 at 17:01, Jin Yao <yao.jin@...ux.intel.com> wrote:
> diff --git a/tools/perf/util/callchain.h b/tools/perf/util/callchain.h
> index 40ecf25..4f6bf6c 100644
> --- a/tools/perf/util/callchain.h
> +++ b/tools/perf/util/callchain.h
> @@ -115,6 +115,10 @@ struct callchain_list {
>                 bool            unfolded;
>                 bool            has_children;
>         };
> +       u64                     branch_count;
> +       u64                     predicted_count;
> +       u64                     abort_count;

Can you explain what abort count is?  It seems you are referring to
miss-speculated branches.  If that is the case, I would prefer that we
replace abort by miss_speculated or miss_predicted.

--
Nilay