[RFC][PROTO][PATCH -tip 0/7] kprobes: support jump optimization on x86

Ingo Molnar mingo@elte.hu
Wed Apr 8 10:11:00 GMT 2009


* Masami Hiramatsu <mhiramat@redhat.com> wrote:

> > But can we consider it as a small problem, assuming that kprobes 
> > are rarely intended for a massive use in once? I guess that 
> > usually, not a lot of functions are probed simultaneously.
> 
> Hm, yes and no, systemtap may use massive kprobes, because it 
> supports "wildcard" probes. However, optimizing in default may be 
> acceptable.

I'm curious: what is the biggest kprobe count you've ever seen, in 
the field? 1000? 10,000? 100,000? More?

	Ingo



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