From: Arnaldo Carvalho de Melo <acme@redhat.com>
To: David Ahern <david.ahern@oracle.com>
Cc: Will Deacon <will.deacon@arm.com>,
linux-kernel@vger.kernel.org, Mark Rutland <Mark.Rutland@arm.com>,
Jiri Olsa <jolsa@kernel.org>, Namhyung Kim <namhyung@kernel.org>,
Arnaldo Carvalho de Melo <acme@kernel.org>
Subject: Re: arm/arm64 perf build issue with mainline
Date: Fri, 24 Apr 2015 13:10:58 -0300 [thread overview]
Message-ID: <20150424161058.GA19673@redhat.com> (raw)
In-Reply-To: <5538FEAF.5040804@oracle.com>
Em Thu, Apr 23, 2015 at 08:16:15AM -0600, David Ahern escreveu:
> On 4/23/15 8:04 AM, Will Deacon wrote:
> >+++ b/tools/perf/Makefile
> >@@ -24,7 +24,7 @@ unexport MAKEFLAGS
> > # (To override it, run 'make JOBS=1' and similar.)
> > #
> > ifeq ($(JOBS),)
> >- JOBS := $(shell egrep -c '^processor|^CPU' /proc/cpuinfo 2>/dev/null)
> >+ JOBS := $(shell getconf _NPROCESSORS_ONLN 2>/dev/null)
> > ifeq ($(JOBS),0)
> > JOBS := 1
> > endif
> Certainly a more robust way of doing it but I am concerned this
> might end up breaking others. For Fedora at least getconf is in the
> glibc-common package and there are users that do not build with
> glibc. It is not clear if the build system for those environments
> will have getconf.
Hum, perhaps check if getconf is present, if not fallback to the egrep
-c? I'll try.
- Arnaldo
next prev parent reply other threads:[~2015-04-24 16:11 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-04-23 11:29 arm/arm64 perf build issue with mainline Will Deacon
2015-04-23 14:04 ` Will Deacon
2015-04-23 14:16 ` David Ahern
2015-04-24 16:10 ` Arnaldo Carvalho de Melo [this message]
2015-04-24 16:22 ` Will Deacon
2015-04-24 17:21 ` David Ahern
2015-04-27 16:26 ` Arnaldo Carvalho de Melo
2015-04-27 17:13 ` David Ahern
2015-04-27 17:40 ` Arnaldo Carvalho de Melo
2015-04-27 17:49 ` Jiri Olsa
2015-04-27 18:39 ` Arnaldo Carvalho de Melo
2015-04-27 18:41 ` Jiri Olsa
2015-04-27 18:45 ` Arnaldo Carvalho de Melo
2015-04-27 18:52 ` Jiri Olsa
2015-04-27 19:00 ` Arnaldo Carvalho de Melo
2015-04-27 19:03 ` Jiri Olsa
2015-05-06 3:09 ` [tip:perf/core] perf tools: Use getconf to determine number of online CPUs tip-bot for Will Deacon
2015-05-13 6:24 ` [tip:perf/urgent] " tip-bot for Will Deacon
2015-04-23 14:29 ` arm/arm64 perf build issue with mainline David Ahern
2015-05-11 8:21 ` Ingo Molnar
2015-05-11 12:31 ` Will Deacon
2015-05-11 12:33 ` Ingo Molnar
2015-05-11 15:58 ` acme
2015-05-11 15:59 ` acme
2015-05-11 17:29 ` Will Deacon
2015-05-11 19:01 ` Arnaldo Carvalho de Melo
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