On 7/2/07, Robert P. J. Day <[email protected]> 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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