On Mon, Aug 8, 2011 at 4:25 PM, Javier Martinez Canillas < [email protected]> wrote:
> On Sun, Aug 7, 2011 at 7:09 PM, Amirali Shambayati > <[email protected]> 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 > > > > > > Thanks for your help in advance, > > > > -- > > Amirali Shambayati > > Bachelor Student > > Computer Engineering Department > > Sharif University of Technology > > Tehran, Iran > > > > _______________________________________________ > > Kernelnewbies mailing list > > [email protected] > > http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies > > > > Some time ago I wrote a blog entry about "Speeding up Linux kernel > compilation", hope it helps > > > http://martinezjavier.blogspot.com/2011/03/speeding-up-linux-kernel-compilation.html > Is allocating a big tmpfs and copying the entire kernel tree to it a good idea? It seems to take >4GB though. If there was a way to quickly copy back the changes made to the disk, it would work quite well.. >
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