Re: HW breakpoints perf_events request

Joshua Pincus
2010-01-14T18:03:30Z

Hi,

On Thu, Jan 14, 2010 at 1:23 AM, Andi Kleen <andi@firstfloor.org> wrote:
>> We would like to avoid using ptrace at all costs.
>> It requires us to have a parent thread running
>> which monitors all the others.  It's not clear that
>> the wait() call by the parent doesn't mask a barrage
>> of signals from various threads and the performance
>
> mask? It'll report them. You expect to have so
> many signals that this would be a problem?

Yes. We expect to see a zillion of them.

> -Andi
>

Thanks,
JP