Re: [PATCH 6/7] perf report: mark inlined frames in output by " (inlined)" suffix

From: Arnaldo Carvalho de Melo
Date: Tue Jun 06 2017 - 15:53:55 EST


Em Tue, Jun 06, 2017 at 09:26:47AM +0200, Milian Wolff escreveu:
> On Tuesday, June 6, 2017 3:33:49 AM CEST Namhyung Kim wrote:
> > On Sat, Jun 3, 2017 at 10:51 PM, Milian Wolff <milian.wolff@xxxxxxxx> wrote:
> > > The current API seems to pass the data around mostly using the
> > > addr_location struct, which is usually constructed on the stack and not
> > > always memset to zero. As such, my initial plan of adding a srcline
> > > member there would require me to go through all the code to ensure that
> > > we memset the struct to zero...

> > > Alternatively, I'd have to change the API of hist_iter_ops, to let the
> > > callback take another `const char **srcline` out parameter. This is also
> > > going to be quite a large invasive change.

> > > Do you have any suggestions on how to make this work?

> > I think passing srcline via addr_location might not be very invasive
> > since it calls machine__resolve() in most cases. Missing places that
> > set al->sym should set al->srcline as well IMHO.

I haven't looked if it would be invasive or not, good that it isn't, but
then I think addr_location is the right place for this to be stored.

> OK, perfect - I'll implement that then.

Thanks,

- Arnaldo