linux-kernel - Re: [PATCH v6 16/25] perf ui/stdio: Implement hierarchy output mode

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Message-ID: <20160220231856.GB17925@krava.homerouter.cpe>
Date:	Sun, 21 Feb 2016 00:18:56 +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 16/25] perf ui/stdio: Implement hierarchy output mode

On Tue, Feb 16, 2016 at 11:08:34PM +0900, Namhyung Kim wrote:

SNIP

> +static int hist_entry__hierarchy_fprintf(struct hist_entry *he,
> +					 struct perf_hpp *hpp,
> +					 int nr_sort_key, struct hists *hists,
> +					 FILE *fp)
> +{
> +	const char *sep = symbol_conf.field_sep;
> +	struct perf_hpp_fmt *fmt;
> +	char *buf = hpp->buf;
> +	int ret, printed = 0;
> +	bool first = true;
> +
> +	if (symbol_conf.exclude_other && !he->parent)
> +		return 0;
> +
> +	ret = scnprintf(hpp->buf, hpp->size, "%*s", he->depth * HIERARCHY_INDENT, "");
> +	advance_hpp(hpp, ret);
> +
> +	hists__for_each_format(he->hists, fmt) {
> +		if (perf_hpp__is_sort_entry(fmt) || perf_hpp__is_dynamic_entry(fmt))
> +			break;
> +
> +		/*
> +		 * If there's no field_sep, we still need
> +		 * to display initial '  '.
> +		 */
> +		if (!sep || !first) {
> +			ret = scnprintf(hpp->buf, hpp->size, "%s", sep ?: "  ");
> +			advance_hpp(hpp, ret);
> +		} else
> +			first = false;
> +
> +		if (perf_hpp__use_color() && fmt->color)
> +			ret = fmt->color(fmt, hpp, he);
> +		else
> +			ret = fmt->entry(fmt, hpp, he);
> +
> +		advance_hpp(hpp, ret);

there's new hist_entry__snprintf_alignment function for
proper alignment now used in hist_entry__hierarchy_fprintf

you might wat to use it in here as well

jirka