[PATCH/RFC v1 0/2] Human readable performance event description in sysfs

Peter Zijlstra
2010-01-20T14:16:19Z

On Wed, 2010-01-20 at 15:09 +0100, Micha? Nazarewicz wrote:
> On Wed, 20 Jan 2010 15:01:20 +0100, Peter Zijlstra <peterz@infradead.org> wrote:
> > It seems to me userspace might care about the exact platform they're
> > running on.
>
> In my humble opinion, user space should never care about platform it's
> running on. Interfaces provided by kernel should suffice to implement
> abstraction layer between user space and hardware. If we abandon that
> we're back in DOS times. But hey, again, that's just my opinion.

Well, you're completely right. But the often sad reality is that perfect
abstraction is either impossible or prohibitively expensive.