Re: [PATCH 1/2] perf tools: add event modifier to request exclusivePMU access

From: Jiri Olsa
Date: Fri Oct 19 2012 - 11:23:44 EST


On Fri, Oct 19, 2012 at 05:17:57PM +0200, Stephane Eranian wrote:
> On Fri, Oct 19, 2012 at 5:13 PM, Peter Zijlstra <peterz@xxxxxxxxxxxxx> wrote:
> > On Fri, 2012-10-19 at 16:52 +0200, Stephane Eranian wrote:
> >> -modifier_event [ukhpGH]{1,8}
> >> +modifier_event [ukhpGHx]{1,8}
> >
> > wouldn't the max modifier sting length grow by adding another possible
> > modifier?
>
> That's what I thought too, but then I don't understand why it was at
> eight before and not
> seven: One instance of each letter, + a second for pp (precise=2). Or
> am I missing
> something here?

hm, I think I assumed for some reason that 'ppp' is valid as well

jirka
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