From: WANG Cong <xiyou.wangcong@gmail.com>
To: linux-kernel@vger.kernel.org
Cc: kernelnewbies@kernelnewbies.org
Subject: Re: Compile kernel for various times and problem of too long time consuming
Date: Mon, 8 Aug 2011 09:48:05 +0000 (UTC) [thread overview]
Message-ID: <j1obck$554$1@dough.gmane.org> (raw)
In-Reply-To: <CAC-yRPQS7r-MMh13Y1m0O+oLBu2OmQqmXS8iHFtCOS9YwrxrkA@mail.gmail.com>
On Sun, 07 Aug 2011 21:39:12 +0430, Amirali Shambayati wrote:
> Hi all,
> Since I want to evaluate performance improvements by changing just one
> file in kernel(noop-iosched) and compiling kernel is too much
> time-consuming, I want to know that if I compile kernel for more than
> one time, does it take similar time to first time?
>
> I use following commands. If I don't use "make-kpkg clean" for next
> times, does it just compile the files which have been modified or it
> compile whole kernel package again?
>
> make-kpkg clean
> fakeroot make-kpkg --initrd --append-to-version=-some-string-here
> kernel-image kernel-headers
Don't run 'make-kpkg clean', and try to use ccache,
make CC='ccache gcc'
next prev parent reply other threads:[~2011-08-08 9:48 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-08-07 17:09 Amirali Shambayati
2011-08-07 17:32 ` Amirali Shambayati
2011-08-07 18:04 ` Randy Dunlap
2011-08-07 19:48 ` Amirali Shambayati
2011-08-07 20:00 ` Stratos Psomadakis
2011-08-07 20:02 ` Randy Dunlap
2011-08-08 9:48 ` WANG Cong [this message]
2011-08-08 10:55 ` Javier Martinez Canillas
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