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Re: [PATCH 9/16] 2.6.17-rc6 perfmon2 patch for review: kernel-level API support (kapi)
- From: Stephane Eranian <eranian at hpl dot hp dot com>
- To: Christoph Hellwig <hch at infradead dot org>, linux-kernel at vger dot kernel dot org
- Cc: systemtap at sources dot redhat dot com, wcohen at redhat dot com, perfmon at napali dot hpl dot hp dot com
- Date: Fri, 16 Jun 2006 07:02:34 -0700
- Subject: Re: [PATCH 9/16] 2.6.17-rc6 perfmon2 patch for review: kernel-level API support (kapi)
- Address: HP Labs, 1U-17, 1501 Page Mill road, Palo Alto, CA 94304, USA.
- E-mail: eranian@hpl.hp.com
- Organisation: HP Labs Palo Alto
- References: <200606150907.k5F97coF008178@frankl.hpl.hp.com> <20060616135014.GB12657@infradead.org>
- Reply-to: eranian at hpl dot hp dot com
Hi,
On Fri, Jun 16, 2006 at 02:50:14PM +0100, Christoph Hellwig wrote:
> On Thu, Jun 15, 2006 at 02:07:38AM -0700, Stephane Eranian wrote:
> > This patch contains the kernel-level API support.
>
> NACK. No one should call this from kernel space.
>
Well, that's what I initially thought too but there is a need from the SystemTap
people and given the way they set things up, it is hard to do it from user level.
> and apparently noting in your patchkit does either, so this is just dead code.
I have not immediate need my self, but I have received several requests for
this, systemtap being one of them.
--
-Stephane