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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
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