On 07/03/2013 08:08:18 PM, Kevin Hao wrote:
On Wed, Jul 03, 2013 at 03:38:27PM -0500, Scott Wood wrote:
> On 07/02/2013 10:00:44 PM, Kevin Hao wrote:
> >On Tue, Jul 02, 2013 at 05:39:18PM -0500, Scott Wood wrote:
> >> How much overhead (space and time) is this really?
> >
> >The following is the additional sections when relocatable is
> >enabled for
> >a p2020rdb board.
> > section size
> > .dynsym 000007f0
> > .dynstr 00000926
> > .dynamic 00000080
> > .hash 00000388
> > .interp 00000011
> > .rela.dyn 00215250
> >
> >The time for the relocation is about 32ms on a p2020rdb board.
>
> Hmm... more relocations than I expected. What percentage is this of
> the total image size?
The size of vmlinux.bin is about 10M. The percentage of the relocation
section is about 20%. But look on the bright side of thing, all the
relocation
stuff are in init section and should be discarded at runtime. :-)
That doesn't reduce the space it takes up in flash...
-Scott
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