Re: [RFC] [PATCH 1/7] User Space Breakpoint Assistance Layer (UBP)

[Avi Kivity]

On 01/20/2010 12:45 PM, Srikar Dronamraju wrote:
> > > What does the code in the jumped-to vma do?
> > >        
> > 1. Write a trace entry into shared memory, trap into the kernel on overflow.
> > 2. Trap if a condition is satisfied (fast watchpoint implementation).
> >      
> That looks to be a nice idea. We should certainly look into this
> possibility. However can we look at this option probably a little later?
>
> Our plan was to do one step at a time i.e have the basic uprobes in
> first and target the booster (i.e jump to the next instruction without
> the need for single-stepping next).
>
> We could look at this option of using jump instead of int3 after we are
> done with the booster.  Hope that's okay.
>    

I'm all for incremental development and merging, as long as we keep the 
interfaces flexible enough for the future.

--
error compiling committee.c: too many arguments to function

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