Re: KDTRACE is gone?

From: Kip Macy <kip.macy_at_gmail.com>
Date: Wed, 29 Nov 2006 10:43:01 -0800
I definitely don't agree with jb_at_ that this is grounds for not committing
dtrace support. However, his point that the value of dtrace is greatly
diminished if the user has to actively anticipate a need for it and then
compile a custom kernel is valid. Developers are just a little too
comfortable with the notion of "oh, just tell the user to add FOO to his
config and compile a new kernel!".

            -Kip




On 11/29/06, John Baldwin <jhb_at_freebsd.org> wrote:
>
> On Thursday 23 November 2006 16:58, John Birrell wrote:
> > On Thu, Nov 23, 2006 at 10:36:59PM +0100, Stanislaw Halik wrote:
> > > Why isn't importing it as a non-default option acceptable? I believe a
> > > lot of users would be happy to include it in their custom kernels.
> >
> > Because in 5 years time when there is a production server that
> > can't be rebooted, I want the admins to be able to run DTrace.
> > The only way I can guarantee that is by making the ability to
> > load DTrace kernel modules available to everyone.
> >
> > DTrace isn't intended as a toy.
>
> Not having it in GENERIC doesn't mean that. :)  We have a lot of machines
> at
> work and none of them run GENERIC, but a custom kernel config.  We would
> just
> add the option to the kernel (just like now we statically compile in
> things
> like COMPAT_LINUX which aren't in GENERIC).  I think this fear is perhaps
> a
> little inflated relative to reality.
>
> --
> John Baldwin
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Received on Wed Nov 29 2006 - 17:43:04 UTC

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