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Date: Wed, 23 Aug 2006 15:54:47 -0700 From: Andrew Morton <akpm@...l.org> To: Christoph Hellwig <hch@...radead.org> Cc: Stephane Eranian <eranian@...nkl.hpl.hp.com>, linux-kernel@...r.kernel.org, eranian@....hp.com Subject: Re: [PATCH 9/18] 2.6.17.9 perfmon2 patch for review: kernel-level interface support On Wed, 23 Aug 2006 16:29:59 +0100 Christoph Hellwig <hch@...radead.org> wrote: > 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. > Yes, I think we either need a stronger argument for including this code, or we drop it. It is especially worrisome that the exports which are added here are plain old EXPORT_SYMBOL(). - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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