[RFC PATCH 2/8] Documentation: arm: define DT cpu capacity bindings

Mark Rutland mark.rutland at arm.com
Tue Dec 15 07:57:37 PST 2015


On Tue, Dec 15, 2015 at 03:46:51PM +0000, Juri Lelli wrote:
> On 15/12/15 15:32, Mark Rutland wrote:
> > On Tue, Dec 15, 2015 at 03:08:13PM +0000, Mark Brown wrote:
> > > My expectation is that we just need good enough, not perfect, and that
> > > seems to match what Juri is saying about the expectation that most of
> > > the fine tuning is done via other knobs.
> > 
> > My expectation is that if a ballpark figure is good enough, it should be
> > possible to implement something trivial like bogomips / loop_per_jiffy
> > calculation.
> > 
> 
> I didn't really followed that, so I might be wrong here, but isn't
> already happened a discussion about how we want/like to stop exposing
> bogomips info or rely on it for anything but in kernel delay loops?

I meant that we could have a benchmark of that level of complexity,
rather than those specific values.

Mark.



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