Messages in this thread |  | | | Date | Wed, 8 Apr 2009 09:01:50 -0400 | | From | "Frank Ch. Eigler" <> | | Subject | Re: [RFC][PROTO][PATCH -tip 0/7] kprobes: support jump optimization on x86 |
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On Wed, Apr 08, 2009 at 01:06:02PM +0200, Andi Kleen wrote: > [...] > > I'm curious: what is the biggest kprobe count you've ever seen, in > > the field? 1000? 10,000? 100,000? More? > > The limit is iirc how much memory the gcc compiling the probes program > consumes before running out of swap space.
On a machine with lots of free RAM, gcc will not hold itself back. On my home server, a 40000-kprobe script compiled (pass 4) in about 4 seconds using about 200MB RAM. - FChE
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