Messages in this thread | | | Date | Mon, 11 Nov 2002 13:35:49 +0530 | From | "Vamsi Krishna S ." <> | Subject | Re: Multiple kprobes per address |
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Hi,
On Fri, Nov 08, 2002 at 01:00:26PM -0800, Rusty Lynch wrote: > I noticed that kprobes is designed around the idea of only allowing > a single probe point per probe address. Why not allow multiple probe > points for a given probe address? Is it a way of limiting complexity? > We didn't think it would be useful and conceptually, it is simpler to think of one probe at an address.
> It looks like it would be fairly straight forward to change get_kprobe(addr) > to be get_kprobes(addr) where it returns a list of probe points associated > with the address, and then tweak do_int3 to work through the entire list. > Would such a change be acceptable? > It will be trivial to add this, but why? Is there a good reason for wanting to do this (multiple kprobes at same address) as opposed to doing all you want done on a probe hit in a single handler?
Regards, Vamsi. -- Vamsi Krishna S. Linux Technology Center, IBM Software Lab, Bangalore. Ph: +91 80 5044959 Internet: vamsi@in.ibm.com - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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