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

[Jin, Yao]

On 11/21/2017 11:17 PM, Jiri Olsa wrote:
> 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

Currently this struct has only rblist. I use memset to zero this struct 
is for future potential new added fields to this struct.

If it's not good, I will remove this memset.

Thanks
Jin Yao