Re: [PATCH 3/5] ftrace perf: Use ftrace_ops::private to store event pointer

From: Peter Zijlstra
Date: Thu Mar 24 2016 - 06:41:22 EST


On Thu, Mar 24, 2016 at 10:47:11AM +0100, Jiri Olsa wrote:
> On Wed, Mar 23, 2016 at 03:26:53PM +0100, Peter Zijlstra wrote:
> > On Wed, Mar 16, 2016 at 03:34:31PM +0100, Jiri Olsa wrote:
> > > Fixing this by using ftrace_ops::private value to keep
> > > the perf_event pointer. This way we don't need to search
> > > for triggered event (as tracepoint handler does) and
> > > directly store sample.
> >
> > container_of(ops, struct perf_event, ftrace_ops) would also have worked,
> > right?
>
> yes, I think that would work too

OK, no need to change, I was just seeing if I actually understood the
code.