Re: [PATCH -tip v9 25/26] kprobes: Introduce kprobe cache to reduce cache misshits

Ingo Molnar
2014-04-25T08:22:23Z

* Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com> wrote:

> > So I don't think this should be a Kconfig entry, just enable it
> > unconditionally. That will further simplify the code.
>
> Hmm, it consumes some amount of memory (36KB/core) just for the case
> of several thousand of kprobes. On enterprise servers and desktop
> it's OK, no problem. But I think, some embedded systems with small
> resources will not want that. [...]

They'll just disable kprobes in general.

Really, at this point complexity is our main concern.

Thanks,

Ingo