Hi Masahiro, On 6 February 2014 14:10, Tom Rini <tr...@ti.com> wrote: > On Mon, Feb 03, 2014 at 12:46:30PM +0900, Masahiro Yamada wrote: > >> Hello Simon and Tom, >> >> >> This is my analysis of Kbuild performance. > [snip] >> Conclusion: >> The main reasons of the slow down with Kbuild are "fixdep" and "arg-check". >> Both of them are really important features for Kbuild and Kconfig. >> - "fixdep" is mandatory for our better life with Kconfig. >> - "arg-check" is for perfect dependency tracking. >>
Thanks for your detailed analysis of this. The slower build time is unfortunate but I think it is worth it. The fixdep thing is similar to the penalty from the autoconf series I did a while ago. Maybe the scripts can be sped up, I'm not sure. >> >> >> > > What's your plan about this series? >> > > Are we ready to switch to Kbuild, or need more review? >> > >> > Lets get the performance problem Simon found figured out, but then >> > otherwise, yes, I think we're about ready to merge. >> >> Tom, are you satisfied with my analisys? > > I am, yes. I guess if we're unhappy with the times, if we can improve > them we can push that back to the kernel and that's a good thing. Well IMO the sooner this is merged the better so that the Makefiles become stable again. Regards, Simon _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
