Re: [PATCH 2/8] perf tools: Make __hpp__fmt() receive an additional len argument

From: Namhyung Kim
Date: Mon Aug 11 2014 - 04:05:41 EST

Hi Arnaldo,

On Sat, 2 Aug 2014 10:30:26 -0300, Arnaldo Carvalho de Melo wrote:
> Em Thu, Jul 31, 2014 at 02:47:36PM +0900, Namhyung Kim escreveu:
>> So that it can properly handle alignment requirements later. To do
>> that, add percent_color_len_snprintf() fucntion to help coloring of
>> overhead columns.
> Can you elaborate on this description? What is not possible to do before
> this patch?

This patch is a preparation that moves hard-coded print width out of the
format string so that it can be passed from external settings later.

> Perhaps a formatted line before this patch and then the same line
> formatted after the patch?

The default behavior wasn't changed, it's only meaningful when user
gives field width using -w option. You can see the difference in the
description 0/8.

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