Re: [PATCH 6/8] perf tools: Add hist.percentage config option

[Jiri Olsa]

On Mon, Feb 10, 2014 at 11:47:23AM +0900, Namhyung Kim wrote:
> Add hist.percentage option for setting default value of the
> symbol_conf.filter_relative.  It affects the output of various perf
> commands (like perf report, top and diff) only if filter(s) applied.
> 
> An user can write .perfconfig file like below to show absolute
> percentage of filtered entries by default:

SNIP

> +++ b/tools/perf/util/hist.c
> @@ -934,3 +934,17 @@ int hists__link(struct hists *leader, struct hists *other)
>  
>  	return 0;
>  }
> +
> +int perf_hist_config(const char *var, const char *value)
> +{
> +	if (!strcmp(var, "hist.percentage")) {
> +		if (!strcmp(value, "relative"))
> +			symbol_conf.filter_relative = true;
> +		else if (!strcmp(value, "absolute"))
> +			symbol_conf.filter_relative = false;
> +		else
> +			return -1;
> +	}
> +
> +	return 0;
> +}

the inner stuff could be done in parse_percentage function
not to duplicate the symbol_conf.filter_relative assignment

jirka
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