linux-kernel - Re: [GIT PULL] Performance Counters for Linux

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Message-ID: <20090611212635.GA9446@uranus.ravnborg.org>
Date:	Thu, 11 Jun 2009 23:26:35 +0200
From:	Sam Ravnborg <sam@...nborg.org>
To:	Marcel Holtmann <marcel@...tmann.org>
Cc:	Ingo Molnar <mingo@...e.hu>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Martin Bligh <mbligh@...gle.com>,
	Christoph Hellwig <hch@...radead.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Al Viro <viro@...iv.linux.org.uk>,
	"David S. Miller" <davem@...emloft.net>,
	Stephane Eranian <eranian@...glemail.com>,
	linux-kernel@...r.kernel.org, Paul Mackerras <paulus@...ba.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [GIT PULL] Performance Counters for Linux

On Thu, Jun 11, 2009 at 11:17:16PM +0200, Marcel Holtmann wrote:
> Hi Sam,
> 
> > > So you are saying that only good code comes from including it into
> > > linux-2.6.git and otherwise you will never get there. Have you actually
> > > tried to maintain this in a separate repository on kernel.org?
> > 
> > Could you please remind us what the arguments agains including a few
> > seleted tools within the kernel source tree was.
> > 
> > I ask because I really cannot see why so much nosie is generated?
> > As a naive user that like easy access to the stuff I work with
> > this looks like an optimal place to find the kernel-hacking
> > tools I need. Why should I hunt somewhere else to find it?
> 
> I personally would expect a perf.git on kernel.org for the userspace
> tools for it. Like we have udev.git there, iproute2.git and others.
> 
> Seems to be working perfectly fine (except of course oprofile) and makes
> packaging and security updates a lot easier.
There is nothing preventing us from adding support for rpm and source rpms.
So you just grab the relevant tre and issue a few cammnds and you have your
packages.
And for security fixes we have the stable kernels.

> The distros have always a
> really hard problem with releasing new kernel packages.
There is nothing that say that because the code live inside
the kernel tree you _have_to_ release the full kernel source
to release a tool.

You mix up the fact that the source for the tool live inside the
kernel with the way tools are packaged.

	Sam
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