Messages in this thread |  | | | Date | Mon, 4 Jul 2011 16:36:57 +0200 | | From | Frederic Weisbecker <> | | Subject | Re: [PATCH 1/3] perf: add context field to perf_event |
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On Mon, Jul 04, 2011 at 05:10:20PM +0300, Avi Kivity wrote: > 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.
Yeah looks like a perfect fit as it's per task.
Thanks.
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