Re: arm/arm64 perf build issue with mainline

From: Arnaldo Carvalho de Melo
Date: Mon Apr 27 2015 - 14:40:11 EST


Em Mon, Apr 27, 2015 at 07:49:06PM +0200, Jiri Olsa escreveu:
> On Mon, Apr 27, 2015 at 02:40:17PM -0300, Arnaldo Carvalho de Melo wrote:
> > Em Mon, Apr 27, 2015 at 11:13:02AM -0600, David Ahern escreveu:
> > >
> > > I think the right thing to do is to remove JOBS completely.
> >
> > That is up for discussion, Ingo, Jiri, Namhyung, others?
> >
> > > Barring that use of getconf with a fallback to grepping /proc/cpuinfo.
> >
> > Ok, but no patch so far doing that, right? 8-)
>
> heh, I've got the idea that you're preparing something ;-)
>
> as for me I've got used to the automatic -jX being added,
> so I'd prefer we fix that JOBS setup for arm
>
> I'll try to send something ;-)

[acme@ssdandy linux]$ (getconf _NPROCESSORS_ONLN || egrep -c '^processor|^CPU' /proc/cpuinfo) 2>/dev/null
8
[acme@ssdandy linux]$ (not-found-getconf _NPROCESSORS_ONLN || egrep -c '^processor|^CPU' /proc/cpuinfo) 2>/dev/null
8
[acme@ssdandy linux]$

Testing it in the makefile...

- Arnaldo
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