linux-kernel - [PATCH 0/2] make deb-pkg build speed improvements

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Message-Id: <1429899940-32366-1-git-send-email-chris.j.arges@canonical.com>
Date:	Fri, 24 Apr 2015 13:25:38 -0500
From:	Chris J Arges <chris.j.arges@...onical.com>
To:	linux-kbuild@...r.kernel.org, mmarek@...e.cz
Cc:	linux-kernel@...r.kernel.org,
	Chris J Arges <chris.j.arges@...onical.com>
Subject: [PATCH 0/2] make deb-pkg build speed improvements

These two patches should speed up the make deb-pkg build process by utilizing
the make jobserver properly, and using 'find | xargs' to parallelize debug
module installation.

I've tested with the resulting packages to ensure the symbols work as intended
by crash dumping a machine and using the dbg package symbols.

Using an Ubuntu distro conf + make olddefconfig on a 56-core machine, I can see
the following improvements (make clean && make deb-pkg -j`nproc`):

* Before

real    40m56.240s
user    182m17.292s
sys     140m18.812s

* After

real    36m22.633s
user    182m28.028s
sys     148m17.724s

Chris J Arges (2):
  package: Makefile: ensure $MAKE can use jobserver
  builddeb: parallelize debug module installation

 scripts/package/Makefile |  2 +-
 scripts/package/builddeb | 15 ++++++++-------
 2 files changed, 9 insertions(+), 8 deletions(-)

-- 
1.9.1

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