linux-kernel - Re: [PATCH 0/9] perf build: Make build-test faster

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Message-ID: <5696FFC3.8070203@huawei.com>
Date:	Thu, 14 Jan 2016 09:54:11 +0800
From:	"Wangnan (F)" <wangnan0@...wei.com>
To:	<acme@...nel.org>, <jolsa@...hat.com>
CC:	<linux-kernel@...r.kernel.org>, <pi3orama@....com>,
	<lizefan@...wei.com>
Subject: Re: [PATCH 0/9] perf build: Make build-test faster

Hi, Jiri and Arnaldo,

  You can find this series on git-tree:

git://git.kernel.org/pub/scm/linux/kernel/git/pi3orama/linux.git 
perf/build-test

Other patches I sent these days can be found in perf/ebpf and 
perf/overwrite.

Thank you.

On 2016/1/13 20:17, Wang Nan wrote:
> Utilize Jiri's two RFCs to make build-test faster.
>
> Before his RFC on a 24 core machine:
>   real    21m16.579s
>   user    176m12.989s
>   sys    20m54.950s
>
> After his RFC:
>   real	16m0.619s
>   user	172m53.896s
>   sys	19m22.777s
>
> Speedup: 24.75%.
>
> Jiri Olsa (2):
>    perf build: Add feature-dump target
>    perf build: Introduce FEATURES_DUMP make variable
>
> Wang Nan (7):
>    perf build: Set parallel making options build-test
>    perf build: Pass O option to Makefile.perf in build-test
>    perf build: Test correct path of perf in build-test
>    perf build: Pass O option to kernel makefile in build-test
>    tools build: Allow subprojects select all feature checkers
>    perf build: Select all feature checkers for feature-dump
>    perf build: Use feature dump file for build-test
>
>   tools/build/Makefile.feature | 21 +++++++++++-
>   tools/perf/Makefile.perf     | 30 ++++++++++++++++-
>   tools/perf/config/Makefile   |  4 +++
>   tools/perf/tests/make        | 80 +++++++++++++++++++++++++++++++++++---------
>   4 files changed, 118 insertions(+), 17 deletions(-)
>