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

Russell King - ARM Linux
2010-01-20T13:55:53Z

On Wed, Jan 20, 2010 at 02:39:39PM +0100, Peter Zijlstra wrote:
> Furthermore, /proc/cpuinfo should be enough information to come up with
> an arch specific set of events to be translated into raw.

Unfortunately, it isn't. CPU identification has become a fairly murky
business on ARM that the information exported from /proc/cpuinfo can
no longer precisely identify the CPU itself.

For example, we just treat Cortex A8 and A9 as "ARMv7" because from the
kernel's point of view, they're the same.