From: John Reiser <jreiser-Po6cBsTGB2ZWk0Htik3J/w@public.gmane.org>
To: initramfs-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: building initramfs is slow
Date: Fri, 19 Aug 2011 11:27:25 -0700 [thread overview]
Message-ID: <4E4EAB0D.4000604@bitwagon.com> (raw)
In-Reply-To: <j2kq7p$guf$1@dough.gmane.org>
On 08/18/2011 09:53 PM, WANG Cong wrote:
> Can you add -M to see which modules are loaded?
I'm going to skip this because of other people's responses in the meantime.
About 450 of the 2363 *.ko kernel modules in Fedora 16 were loaded.
See also the histogram below.
>
> As a kdump developer, I worry more about the size of initramfs generated
> by dracut, because we have very limited memory (usually 128M or 256M)
> in the second kernel. So, the output of `lsinitrd test2.img` would
> be helpful too.
Fedora releases, pre-releases, and Live media are readily available.
You should be able to download, install/boot, and experiment in half a day.
$(lsinitrd test2.img) is too long, so I've made a sorted histogram
of number files by directory, and include the beginning here.
[My quick-and-dirty methodology might have holes.]
188 lib/kbd/consolefonts/
120 lib/kbd/keymaps/i386/qwerty/
88 lib/modules/3.0.0-1.fc16.x86_64/kernel/drivers/net/
88 lib64/
63 lib/kbd/unimaps/
62 lib/firmware/radeon/
61 sbin/
59 lib/modules/3.0.0-1.fc16.x86_64/kernel/drivers/ata/
55 lib/modules/3.0.0-1.fc16.x86_64/kernel/drivers/scsi/
48 lib/kbd/consoletrans/
46 lib/modules/3.0.0-1.fc16.x86_64/kernel/crypto/
44 lib/modules/3.0.0-1.fc16.x86_64/kernel/fs/
40 usr/share/plymouth/themes/charge/
39 lib/kbd/consolefonts/partialfonts/
38 lib/modules/3.0.0-1.fc16.x86_64/kernel/fs/nls/
29 bin/
28 lib/firmware/
25 lib/modules/3.0.0-1.fc16.x86_64/kernel/drivers/
24 usr/lib64/
19 lib/kbd/keymaps/i386/include/
19 etc/
18 lib/modules/3.0.0-1.fc16.x86_64/
18 lib/kbd/keymaps/i386/qwertz/
18 lib64/multipath/
17 lib/kbd/keymaps/mac/all/
17 lib/dracut/hooks/cmdline/
16 lib/kbd/keymaps/sun/
15 lib/modules/3.0.0-1.fc16.x86_64/kernel/drivers/usb/storage/
15 lib/modules/3.0.0-1.fc16.x86_64/kernel/drivers/md/
13 lib/udev/rules.d/
12 lib/dracut/hooks/
--
next prev parent reply other threads:[~2011-08-19 18:27 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-08-18 18:18 building initramfs is slow John Reiser
[not found] ` <CALAkbJOkMTQdkmhBBvqHk3oKRzMHvXcp1MxasMrMpCbTP3+0eg@mail.gmail.com>
[not found] ` <CALAkbJOkMTQdkmhBBvqHk3oKRzMHvXcp1MxasMrMpCbTP3+0eg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2011-08-18 23:09 ` John Reiser
2011-08-19 4:53 ` WANG Cong
2011-08-19 6:47 ` Harald Hoyer
[not found] ` <4E4E0707.4060504-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2011-08-19 7:04 ` Américo Wang
[not found] ` <CAM_iQpUr2mVRM+PFeYkefzx9xEAOJKhZh+wpaXgKg6bj+1dozQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2011-08-19 7:07 ` Harald Hoyer
[not found] ` <4E4E0B95.6040909-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2011-08-19 7:32 ` Dan Horák
2011-08-19 18:27 ` John Reiser [this message]
[not found] ` <4E4D5779.6090209-Po6cBsTGB2ZWk0Htik3J/w@public.gmane.org>
2011-08-19 7:03 ` Harald Hoyer
2011-08-19 8:24 ` Harald Hoyer
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=4E4EAB0D.4000604@bitwagon.com \
--to=jreiser-po6cbstgb2zwk0htik3j/w@public.gmane.org \
--cc=initramfs-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.