From: Christoph Hellwig <hch@infradead.org>
To: Stephane Eranian <eranian@frankl.hpl.hp.com>
Cc: linux-kernel@vger.kernel.org, eranian@hpl.hp.com
Subject: Re: [PATCH 9/18] 2.6.17.9 perfmon2 patch for review: kernel-level interface support
Date: Wed, 23 Aug 2006 16:29:59 +0100 [thread overview]
Message-ID: <20060823152959.GD32725@infradead.org> (raw)
In-Reply-To: <200608230806.k7N860es000444@frankl.hpl.hp.com>
On Wed, Aug 23, 2006 at 01:06:00AM -0700, Stephane Eranian wrote:
> This patch contains the kernel-level API support.
>
>
> Some users have requested the ability to create a monitoring session
> with perfmon2 from iside the kernel using a kernel thread. Perfmon2
> leverages a lot of kernel mechanisms which are not easy to use for
> inside the kernel: e.g. file descriptor, signals, system calls.
Again, please drop this. There are no planned intree kernel users
so far, and once we add them we can architect a proper API for them.
Getting rid of this should also help to collapse the tons of useless
abstractions layers in the current perfmon code.
next prev parent reply other threads:[~2006-08-23 15:30 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-08-23 8:06 Stephane Eranian
2006-08-23 15:29 ` Christoph Hellwig [this message]
2006-08-23 22:54 ` Andrew Morton
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