Re: [RFC 0/4] perf tool: Adding ratios support

From: Jiri Olsa
Date: Mon Jan 21 2013 - 14:13:54 EST


On Thu, Jan 17, 2013 at 10:23:26AM +0000, Will Deacon wrote:
> On Wed, Jan 16, 2013 at 01:30:33PM +0000, Jiri Olsa wrote:
> > On Wed, Jan 16, 2013 at 01:13:18PM +0000, Will Deacon wrote:
> > > On Tue, Jan 15, 2013 at 01:39:50PM +0000, Jiri Olsa wrote:
> > > > The formula can currently contain any event from the set::events
> > > > plus any number (int). There'll be support in future for outside
> > > > values runtime and other if needed.
> > >
> > > Just to say that I *really* like this idea! If we extended it to include
> > > other operators then it would help us on ARM, where we often have events
> > > like 'cache accesses' and 'cache misses' but not 'cache hits'.
> >
> > great, thanks for sharing this
> >
> > The current operators set is just basic one to show the idea,
> > it can/will be expanded.
>
> Makes sense.

any particular operators you'd like to see in?

jirka
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