linux-kernel - Re: [PATCH v6 10/25] perf hists: Resort hist entries with hierarchy

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Date:	Sun, 21 Feb 2016 00:19:18 +0100
From:	Jiri Olsa <jolsa@...hat.com>
To:	Namhyung Kim <namhyung@...nel.org>
Cc:	Arnaldo Carvalho de Melo <acme@...nel.org>,
	Ingo Molnar <mingo@...nel.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Jiri Olsa <jolsa@...nel.org>,
	LKML <linux-kernel@...r.kernel.org>,
	David Ahern <dsahern@...il.com>,
	Andi Kleen <andi@...stfloor.org>,
	Stephane Eranian <eranian@...gle.com>,
	Wang Nan <wangnan0@...wei.com>
Subject: Re: [PATCH v6 10/25] perf hists: Resort hist entries with hierarchy

On Tue, Feb 16, 2016 at 11:08:28PM +0900, Namhyung Kim wrote:

SNIP

> @@ -1349,6 +1427,17 @@ static void output_resort(struct hists *hists, struct ui_progress *prog,
>  
>  	min_callchain_hits = callchain_total * (callchain_param.min_percent / 100);
>  
> +	hists__reset_stats(hists);
> +	hists__reset_col_len(hists);
> +
> +	if (symbol_conf.report_hierarchy) {
> +		return hists__hierarchy_output_resort(hists, prog,
> +						      &hists->entries_collapsed,
> +						      &hists->entries,
> +						      min_callchain_hits,
> +						      use_callchain);
> +	}
> +
>  	if (sort__need_collapse)
>  		root = &hists->entries_collapsed;
>  	else
> @@ -1357,9 +1446,6 @@ static void output_resort(struct hists *hists, struct ui_progress *prog,
>  	next = rb_first(root);
>  	hists->entries = RB_ROOT;

above line could be moved together with those 2 below
and you can then remove *root_out = RB_ROOT; line in
hists__hierarchy_output_resort

jirka

>  
> -	hists__reset_stats(hists);
> -	hists__reset_col_len(hists);
> -
>  	while (next) {
>  		n = rb_entry(next, struct hist_entry, rb_node_in);
>  		next = rb_next(&n->rb_node_in);
> -- 
> 2.7.1
>