From: Scott Wood <scottwood@freescale.com>
To: Kevin Hao <haokexin@gmail.com>
Cc: linuxppc <linuxppc-dev@lists.ozlabs.org>
Subject: Re: [PATCH 1/2] powerpc: enable the relocatable support for the fsl booke 32bit kernel
Date: Mon, 8 Jul 2013 11:48:25 -0500 [thread overview]
Message-ID: <1373302105.8183.160@snotra> (raw)
In-Reply-To: <20130704010818.GA16188@pek-khao-d1.corp.ad.wrs.com> (from haokexin@gmail.com on Wed Jul 3 20:08:18 2013)
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?
>=20
> 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 =20
> relocation
> stuff are in init section and should be discarded at runtime. :-)
That doesn't reduce the space it takes up in flash...
-Scott=
next prev parent reply other threads:[~2013-07-08 16:48 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-06-27 2:00 [PATCH 0/2] powerpc: enable the relocatable support for fsl booke 32bit kernel Kevin Hao
2013-06-27 2:00 ` [PATCH 1/2] powerpc: enable the relocatable support for the " Kevin Hao
2013-06-27 19:58 ` Scott Wood
2013-06-28 1:36 ` Kevin Hao
2013-06-28 1:47 ` Scott Wood
2013-06-30 7:33 ` Kevin Hao
2013-07-02 0:30 ` Scott Wood
2013-07-02 3:24 ` Kevin Hao
2013-07-02 22:39 ` Scott Wood
2013-07-03 3:00 ` Kevin Hao
2013-07-03 20:38 ` Scott Wood
2013-07-04 1:08 ` Kevin Hao
2013-07-08 16:48 ` Scott Wood [this message]
2013-07-09 1:26 ` Kevin Hao
2013-06-28 1:52 ` Scott Wood
2013-06-30 7:34 ` Kevin Hao
2013-06-27 2:00 ` [PATCH 2/2] powerpc/fsl_booke: enable the relocatable for the kdump kernel Kevin Hao
2013-06-28 2:19 ` Scott Wood
2013-06-30 7:35 ` Kevin Hao
2013-07-02 1:00 ` Scott Wood
2013-07-02 3:45 ` Kevin Hao
2013-07-02 22:41 ` Scott Wood
2013-07-03 3:29 ` Kevin Hao
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