linux-kernel - Re: [PATCH v4 4/5] perf report: Show branch type statistics for stdio mode

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Date:   Tue, 18 Apr 2017 20:53:37 +0200
From:   Jiri Olsa <jolsa@...hat.com>
To:     Jin Yao <yao.jin@...ux.intel.com>
Cc:     acme@...nel.org, jolsa@...nel.org, peterz@...radead.org,
        mingo@...hat.com, alexander.shishkin@...ux.intel.com,
        Linux-kernel@...r.kernel.org, ak@...ux.intel.com,
        kan.liang@...el.com, yao.jin@...el.com,
        linuxppc-dev@...ts.ozlabs.org
Subject: Re: [PATCH v4 4/5] perf report: Show branch type statistics for
 stdio mode

On Wed, Apr 12, 2017 at 06:21:05AM +0800, Jin Yao wrote:

SNIP

> +static int hist_iter__branch_callback(struct hist_entry_iter *iter,
> +				      struct addr_location *al __maybe_unused,
> +				      bool single __maybe_unused,
> +				      void *arg)
> +{
> +	struct hist_entry *he = iter->he;
> +	struct report *rep = arg;
> +	struct branch_info *bi;
> +
> +	if (sort__mode == SORT_MODE__BRANCH) {

is this check necessary? the hist_iter__branch_callback
was set based on this check

jirka