Re: [RFC PATCH -tip ] x86/kprobes: kprobes call optimization

[Masami Hiramatsu]

(2012/05/10 20:54), Masami Hiramatsu wrote:
> Note: this code is still under development, but it will
> be useful for the discussion to show this.
> 
> Use relative call instead of relative jump for optimizing
> kprobes. This reduces x86-depend magic code and runtime
> memory size.

Hmm, I've found that this patch may increase the execution
time of probing more than 20%. I think that is more than
acceptable...


-- 
Masami HIRAMATSU
Software Platform Research Dept. Linux Technology Center
Hitachi, Ltd., Yokohama Research Laboratory
E-mail: masami.hiramatsu.pt@xxxxxxxxxxx
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