Messages in this thread | | | Date | Mon, 4 Feb 2013 14:33:53 +0100 | From | Jiri Olsa <> | Subject | Re: [PATCH 0/2] perf: add new uncore command |
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On Fri, Feb 01, 2013 at 05:35:23PM -0800, Andi Kleen wrote: > > And there's a patchset [1] from Jiri to support some kind of formula - > > yeah, now I've written the correct spelling. :) - that might fit to this > > purpose if you provide suitable formula file IMHO. So I guess we don't > > need to have another command and can reuse perf stat, no? > > Yes with a proper expression engine it's all redundant. I haven't > looked at Jiri's stuff in detail, but it seemed very simple-minded > and may not support all the computation needed.
yep, it was just an idea proposal.. it'd need more changes too be able to handle this uncore stuff, but it's possible
> > Also would allow to finally replace the bogus perf stat -d frontend/backend > counters.
yep
> > For stat there's no really a compelling reason to integrate > it, the usual wrappers work as well. They have the advantage that > they can be written in real programing languages, instead of trying > to invent a new one. > > Expressions integrated would be mainly useful for things like > "counting perf top"
nice idea
jirka
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