Accessing x86 Performance Counters

[Benjamin Thaut via Digitalmars-d-learn]

On Wednesday, 13 May 2015 at 08:53:10 UTC, Kagamin wrote:
> There was no word about windows, but process explorer shows 
> page faults and cycles per process from unprivileged account, 
> so I guess, this information is available through some API. Not 
> sure is such system-wide statistics is available too.

He is talking about the performance counters build into intel x86 
processors (at least thats what I understood) thats something 
completely different from page faults and cycles per process. And 
as it is processor specific there is _no_ general api for it.