linux-kernel - Re: [patch] perf tools: allow top users to switch between weighted and individual counter display

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Message-ID: <20090804085615.GA25862@elte.hu>
Date:	Tue, 4 Aug 2009 10:56:15 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Mike Galbraith <efault@....de>
Cc:	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [patch] perf tools: allow top users to switch between weighted
	and individual counter display


* Mike Galbraith <efault@....de> wrote:

> On Tue, 2009-08-04 at 10:32 +0200, Ingo Molnar wrote:
> > * Mike Galbraith <efault@....de> wrote:
> > 
> > > On Mon, 2009-08-03 at 07:09 +0200, Mike Galbraith wrote:
> > > 
> > > > Not sure I like waiting for input at start though, maybe just 
> > > > display and sleep a couple seconds would be friendlier.
> > > 
> > > I find both really annoying, so just go straight into displaying.  
> > > That kind of usage information belongs in the man page.  I've 
> > > updated same to reflect the current implementation, and will 
> > > submit separately.
> > 
> > yeah - will apply both patches, thanks Mike.
> 
> Thanks.
> 
> > I'm wondering, have you seen the 'tig' tool before? It puts the 
> > console into raw mode too and has a rather pleasant text interface. 
> > Since it's a relatively young project it might have a compact code 
> > base that could be imported (assuming the license is compatible and 
> > assuming what i say is true - have not checked yet).
> 
> No, I haven't.  I'll take a look (time time time) though, because 
> I'd like to make top fully interactive, and my code is... um er, 
> somewhat crude :)

it's at:

  git clone http://jonas.nitro.dk/tig/tig.git

7 KLOC and clean looking. Code seems quite readable and in standard 
Git style - i.e. kernel and tools/perf/ compatible. License is GPLv2 
or later - i.e. that too is kernel compatible.

The tig.c is a bit large at 7000+ lines, but it looks easily split. 
It uses libcurses for console handling.

Looks like a pretty good starting point IMO.

	Ingo
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