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