Boot Time Optimization

Marc Andre Tanner openmoko at
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:
> >Hi,
> >
> >To see where my bootmenu thingy[0][1] is spending it's time I've tried to
> >measure boot time with the om-gta02-2.6.32 kernel (Thanks again,
> >Lars).
> >
> >>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 >< >< GPG key: CF7D56C0

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