[PATCH v2 2/2] perf tools: Make Power7 events available for perf

Vince Weaver vincent.weaver at maine.edu
Thu Jul 11 14:42:31 EST 2013


On Wed, 10 Jul 2013, Ingo Molnar wrote:

> Exactly - PMUs enumerated in /sys should be self-identifying, it's a 
> hardware topology after all ...
> 
> Anytime userspace is forced to look into /proc, or into weird places in 
> /sys it's a FAIL really.

well on x86 you have to look at /proc/cpuinfo to get the 
vendor/family/model number.  Should we add some specifier under sys?
It's probably too late though as all userspace event libs will have
to look at /proc/cpuinfo anyway to be backwards compatible.

Vince


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