linux-kernel - Re: [PATCH v2 5/5] perf report: Initial TUI using newt

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Message-ID: <4B9A0F78.7020201@redhat.com>
Date:	Fri, 12 Mar 2010 11:55:04 +0200
From:	Avi Kivity <avi@...hat.com>
To:	Ingo Molnar <mingo@...e.hu>
CC:	Arnaldo Carvalho de Melo <acme@...radead.org>,
	linux-kernel@...r.kernel.org,
	Arnaldo Carvalho de Melo <acme@...hat.com>,
	Fr??d??ric Weisbecker <fweisbec@...il.com>,
	Mike Galbraith <efault@....de>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Paul Mackerras <paulus@...ba.org>
Subject: Re: [PATCH v2 5/5] perf report: Initial TUI using newt

On 03/12/2010 11:45 AM, Ingo Molnar wrote:
>
>   - When i hit enter on a symbol to annotate it, but the annotation fails, the TUI
>     just does nothing currently. Instead it should print something informative
>     (and eye-catching) into a status line at the top or the bottom of the
>     screen, possibly printed in red characters or so. Not a separate window as that
>     needs extra key-hits to get rid of - just a sufficiently visible status
>     line would be perfect. There can be a few reasons why some functions can be
>     annotated while others cannot be.
>    

Alternatively, mark it as unannotatable in the first place (e.g. an 
annotatable symbol is a hyperlink, an unannotatable one is not).  But 
perhaps that's too computationally expensive.

-- 
Do not meddle in the internals of kernels, for they are subtle and quick to panic.

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