Re: [PATCH 1/3] perf: add context field to perf_event

Avi Kivity
2011-07-04T14:10:43Z

On 07/04/2011 04:58 PM, Frederic Weisbecker wrote:
> Another thing I would like to do in the even longer term is to not use perf anymore
> for ptrace breakpoints, because that involves a heavy dependency and few people are
> happy with that. Instead we should just have a generic hook into the sched_switch()
> and handle pure ptrace breakpoints there. The central breakpoint API would still be
> there to reserve/schedule breakpoint resources between ptrace and perf.
>

'struct preempt_notifier' may be the hook you're looking for.

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