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

Peter Zijlstra peterz at infradead.org
Wed Jan 20 09:16:19 EST 2010


On Wed, 2010-01-20 at 15:09 +0100, Michał Nazarewicz wrote:
> On Wed, 20 Jan 2010 15:01:20 +0100, Peter Zijlstra <peterz at 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.




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