linux-kernel - Re: arm/arm64 perf build issue with mainline

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Date:	Mon, 27 Apr 2015 15:39:53 -0300
From:	Arnaldo Carvalho de Melo <acme@...hat.com>
To:	Jiri Olsa <jolsa@...hat.com>
Cc:	David Ahern <david.ahern@...cle.com>,
	Will Deacon <will.deacon@....com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Mark Rutland <Mark.Rutland@....com>,
	Jiri Olsa <jolsa@...nel.org>,
	Namhyung Kim <namhyung@...nel.org>
Subject: Re: arm/arm64 perf build issue with mainline

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

Testing it in the makefile...

- Arnaldo
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