Re: [RFC/PATCH] perf: Expand definition of sysfs format attribute

[Jiri Olsa]

On Mon, Apr 08, 2013 at 09:57:50PM +1000, Michael Ellerman wrote:

SNIP

> > 
> > ISTR discussing this with Jiri at some point.. I think we ended up with
> > being fine with overlapping ranges but having perf issue a warning (not
> > an error) when attributes of a single event have overlap.
> 
> OK great.
> 
> > I'm not sure the latter was ever implemented in the userspace side.
> 
> Yeah not that I can see with a quick look. It's fairly advanced usage
> IMHO so a warning would be nice, but not essential.

oops, missed this email.. sry

it should be ok to overlap.. we don't check those ranges in perf
tool now.. just take whatever is defined in format file

adding the warning to my todo list ;-)

jirka
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