Messages in this thread | | | From | Roland Dreier <> | Subject | X86_DS config option needs better help text | Date | Tue, 14 Oct 2008 11:19:28 -0700 |
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Noticed while building a new kernel from latest git:
Debug Store support (X86_DS) [Y/n/?] (NEW) ?
and asking for help just gives
Add support for Debug Store. This allows the kernel to provide a memory buffer to the hardware to store various profiling and tracing events.
This doesn't really let me decide if I want it or not. Is there a cost to enabling this, and if so what? What new feature does this give me?
Is there even a point to making this a user-visible option at all, or should it just be an internal config variable selected by X86_PTRACE_BTS and any future users of this?
X86_PTRACE_BTS also could use an improved help text.
No patch, sorry, since I don't actually know for sure what this does.
Thanks, Roland
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