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Re: too long to build kernel


On Tue, 22 Nov 2005 23:49:34 +0100, Andreas Orfanos wrote:
> I try to produce some statistical data with different kernels. The
> latest 2.4.32 takes an average 6 minutes to build (~500
> objects). But 2.6.0 takes more than half an hour for (~3000objects
> and more). The latest<>one hour and more,
> and again we are talking for thousands of object files. I was using
> a 2GHz Pentium for the builds.

FYI, with the linux-source-2.6.14 and the linux-image-2.6.14-2-686
.config (so, all drivers as module) I got:
luca@gismo:~/src/linux-2.6.15-rc3$ gcc -v
Using built-in specs.
Target: i486-linux-gnu
Configured with: ../src/configure -v
 --enable-languages=c,c++,java,f95,objc,ada,treelang --prefix=/usr
 --enable-shared --with-system-zlib --libexecdir=/usr/lib
 --without-included-gettext --enable-threads=posix --enable-nls
 --program-suffix=-4.0 --enable-__cxa_atexit --enable-clocale=gnu
 --enable-libstdcxx-debug --enable-java-awt=gtk --enable-gtk-cairo
 --enable-mpfr --disable-werror --enable-checking=release
Thread model: posix
gcc version 4.0.3 20051111 (prerelease) (Debian 4.0.2-4)

luca@gismo:~/src/linux-source-2.6.14$ time fakeroot make-kpkg
real    34m9.394s
user    30m30.182s
sys     2m19.645s

luca@gismo:~/src/linux-source-2.6.14$ fakeroot make-kpkg clean

luca@gismo:~/src/linux-source-2.6.14$ time fakeroot make-kpkg \
real    35m34.851s
user    31m26.494s
sys     2m25.501s


This is on a IBM ThinkPad T42p: Pentium-M 745 (1.80GHz) and 512MB RAM.

Thx, bye,
Gismo / Luca

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