Boot Time Optimization
Marc Andre Tanner
openmoko at brain-dump.org
Tue Dec 22 23:48:06 CET 2009
On Tue, Dec 22, 2009 at 09:14:30PM +0100, Michael Trimarchi wrote:
> Marc Andre Tanner wrote:
> >To see where my bootmenu thingy is spending it's time I've tried to
> >measure boot time with the om-gta02-2.6.32 kernel (Thanks again,
> >>From bootloader to the extracted kernel it takes about 3.48 seconds.
> >This can be further split up into:
> > 2.15s for Qi to load the kernel + initramfs from NAND
> > 1.33s to uncompress the kernel + initramfs
> >This is with gzip. I still have to try it with an uncompressed
> >kernel and a lzma compressed one.
> Do you have the same data for 2.6.29 kernel?
No. The userspace uses devtmpfs which isn't available in 2.6.29
(ok I could probably patch it in) but I can't just swap the kernel.
Marc Andre Tanner >< http://www.brain-dump.org/ >< GPG key: CF7D56C0
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