linux-kernel - Re: KVM usability

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Message-ID: <20100307180142.GE20213@ghostprotocols.net>
Date:	Sun, 7 Mar 2010 15:01:42 -0300
From:	Arnaldo Carvalho de Melo <acme@...radead.org>
To:	Avi Kivity <avi@...hat.com>
Cc:	Ingo Molnar <mingo@...e.hu>, Zachary Amsden <zamsden@...hat.com>,
	Anthony Liguori <anthony@...emonkey.ws>,
	"Zhang, Yanmin" <yanmin_zhang@...ux.intel.com>,
	Peter Zijlstra <peterz@...radead.org>, ming.m.lin@...el.com,
	sheng.yang@...el.com, Jes Sorensen <Jes.Sorensen@...hat.com>,
	KVM General <kvm@...r.kernel.org>,
	Gleb Natapov <gleb@...hat.com>,
	Fr??d??ric Weisbecker <fweisbec@...il.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	"H. Peter Anvin" <hpa@...or.com>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Arjan van de Ven <arjan@...radead.org>,
	linux-kernel@...r.kernel.org
Subject: Re: KVM usability

Em Sun, Mar 07, 2010 at 11:35:31AM +0200, Avi Kivity escreveu:
> perf really is wonderful, but to be really competitive, and usable to  
> more developers, it needs to be in a graphical environment.  I want  
> 'perf report' output to start out collapsed and drill down by clicking  
> on a tree widget.  Clicking on a function name opens its definition.   
> 'perf annotate' should display annotations on my editor window, not in a  
> pager.  I should be able to check events on a list, not using 'perf 
> list'.

Do you really think that more kernel developers would use perf more
frequently if it had some GUI?

I plan to work on a ncurses tool combining aspects of the existing perf
tools, integrating them more, like you suggest above, but even having
worked on a pygtk tool that is close to the kernel [1], I'm unsure if
doing it using gtk or QT would be something that would entice more
developers to use it.

- Arnaldo

[1] http://www.osadl.org/Single-View.111+M52212cb1379.0.html
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