Messages in this thread | | | Date | Thu, 11 Jul 2013 00:42:31 -0400 (EDT) | From | Vince Weaver <> | Subject | Re: [PATCH v2 2/2] perf tools: Make Power7 events available for perf |
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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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