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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/

