Key based rate limiter (audit_set_rate_limit)

[Anurag Aggarwal]

>
> However, I am fairly skeptical that we could add per-key rate limiting
> without introducing a non-trivial amount of overhead to record
> generation, which would be a show stopper for this feature given its
> expected limited appeal.
>

I understand the reservation. I will spend some time to analyze it impact

Steve, about your comment:

> There just really isn't room to add more thinkgs without some userspace API
> problem. (This would definitely need a feaure bitmap so user space can make
> sense of it.)

I was not aware that this could cause problems in the userspace API.

Key based filtering for rate limiting could be a useful feature. It is
something that would
help us a lot.

-- 
Anurag Aggarwal