Re: [PATCH 9/18] 2.6.17.9 perfmon2 patch for review: kernel-level interface support

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Wed, 23 Aug 2006 16:29:59 +0100
Christoph Hellwig <hch@infradead.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@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

[Index of Archives]     [Kernel Newbies]     [Netfilter]     [Bugtraq]     [Photo]     [Stuff]     [Gimp]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Video 4 Linux]     [Linux for the blind]     [Linux Resources]
  Powered by Linux