http://4e.iwp9.org
4th iwp9
October 21-23 2009
> ok. i'm beginning to understand better. is there a specific use case,
> such as the kernel or userland?
>
> i didn't see anything like a tool that could poke nops into the right
> places. i started to write an acid function to put the nops in one
> named function, and then i realized that the r
On Tue, May 27, 2014 at 04:16:24PM -0400, erik quanstrom wrote:
> > you can see there is a JMP over _tracein and a RET before _traceout.
> > what gives?
>
> ah, that's the magic! the idea is to be able to enable and disable these
> tracepoints
> at runtime in a multiprocessor environment without
> you can see there is a JMP over _tracein and a RET before _traceout.
> what gives?
ah, that's the magic! the idea is to be able to enable and disable these
tracepoints
at runtime in a multiprocessor environment without any locking.
- erik
