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SubjectRe: instrumentation and kprobes really still "EXPERIMENTAL"?
On 7/2/07, Robert P. J. Day <rpjday@mindspring.com> wrote:
> consider this random Kconfig file arch/x86_64/oprofile/Kconfig:
>
> =============================
> config PROFILING
> bool "Profiling support (EXPERIMENTAL)"
> help
> Say Y here to enable the extended profiling support mechanisms used
> by profilers such as OProfile.
>
>
> config OPROFILE
> tristate "OProfile system profiling (EXPERIMENTAL)"
> depends on PROFILING
> help
> OProfile is a profiling system capable of profiling the
> whole system, include the kernel, kernel modules, libraries,
> and applications.
>
> If unsure, say N.
> ==============================
>
> the above is a bit silly. note that both prompts advertise
> themselves as "EXPERIMENTAL" even though neither of them has such a
> dependency. they *are*, however, part of an submenu that *is*
> dependent on EXPERIMENTAL (although you'd never know that just by
> looking at that Kconfig file). in short, it's just kind of ugly
> hackery at the moment.

Yes but pushing the EXPERIMENTAL check to individual menu members
shouldn't be done in a way which leads to an empty menu for any kernel
configuration. I suspect that this is why the EXPERIMENTAL check is on
the instrumentation menu in the first place.

> my original point was simply that, based on its acceptance, it would
> seem kprobes has progressed beyond the EXPERIMENTAL phase, that's all.

It's worth a look on some archs.

--
Abhishek Sagar
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