linux-kernel - Re: [PATCH v1 3/9] perf util: Reconstruct rblist for supporting per-thread shadow stats

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Message-ID: <20171121151700.GA20440@krava>
Date:   Tue, 21 Nov 2017 16:17:00 +0100
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
Subject: Re: [PATCH v1 3/9] perf util: Reconstruct rblist for supporting
 per-thread shadow stats

On Mon, Nov 20, 2017 at 10:43:38PM +0800, Jin Yao wrote:

SNIP

>  
> +static void init_saved_rblist(struct rblist *rblist)
> +{
> +	rblist__init(rblist);
> +	rblist->node_cmp = saved_value_cmp;
> +	rblist->node_new = saved_value_new;
> +	rblist->node_delete = saved_value_delete;
> +}
> +
> +static void free_saved_rblist(struct rblist *rblist)
> +{
> +	rblist__reset(rblist);
> +}
> +
> +void perf_stat__init_runtime_stat(struct runtime_stat *stat)
> +{
> +	memset(stat, 0, sizeof(struct runtime_stat));

what's this memset for? that struct has only rb_list

jirka