linux-kernel - Re: [PATCHSET 0/6] perf tools: Honor column width setting

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Message-ID: <20140724135941.GT20303@kernel.org>
Date:	Thu, 24 Jul 2014 10:59:41 -0300
From:	Arnaldo Carvalho de Melo <acme@...nel.org>
To:	Namhyung Kim <namhyung@...nel.org>
Cc:	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Ingo Molnar <mingo@...nel.org>,
	Paul Mackerras <paulus@...ba.org>,
	Namhyung Kim <namhyung.kim@....com>,
	LKML <linux-kernel@...r.kernel.org>, Jiri Olsa <jolsa@...hat.com>
Subject: Re: [PATCHSET 0/6] perf tools: Honor column width setting

Em Wed, Jul 09, 2014 at 02:28:08PM +0900, Namhyung Kim escreveu:
> Hello,
> 
> This patchset is to control perf report/top output column width by
> -w/--column-widths option so that it can fit into the terminal size.
> The -w option is there for perf report but it ignored by recent output
> field changed due to some reason.  This patchset fixes it and supports
> perf top also.
> 
> This is sometimes useful if your terminal is small and there's some
> C++ applications which have amazingly long symbol names.  Without this
> patchset user might not see those symbols on TUI, since it maps
> left/right arrow keys to other functions.
> 
> The -w option sets column width starting from the first column
> (overhead or optional overhead_children column unless -F option is
> given).  It doesn't make sense to limit those overhead columns so it's
> not a hard-limit for them.  But it *is* a hard-limit for other columns
> such as comm, dso, symbol, and so on.  One can use 0 not to
> limit/force a width for those columns.

Due to the issues pointed out, will wait for a v2 patchset, ok?

- Arnaldo
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