From: baruch@tkos.co.il (Baruch Siach)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 0/3] minitty: a minimal TTY layer alternative for embedded systems
Date: Fri, 24 Mar 2017 06:50:46 +0300 [thread overview]
Message-ID: <20170324035046.2mupvte2yzbgmslb@tarshish> (raw)
In-Reply-To: <20170323210304.2181-1-nicolas.pitre@linaro.org>
Hi Nicolas,
On Thu, Mar 23, 2017 at 05:03:01PM -0400, Nicolas Pitre wrote:
> Here's some numbers using a minimal ARM config.
>
> When CONFIG_TTY=y, the following files are linked into the kernel:
>
> text data bss dec hex filename
> 8796 128 0 8924 22dc drivers/tty/n_tty.o
> 12846 276 44 13166 336e drivers/tty/serial/serial_core.o
> 4852 489 49 5390 150e drivers/tty/sysrq.o
> 1376 0 0 1376 560 drivers/tty/tty_buffer.o
> 13571 172 132 13875 3633 drivers/tty/tty_io.o
> 3072 0 0 3072 c00 drivers/tty/tty_ioctl.o
> 2457 2 120 2579 a13 drivers/tty/tty_ldisc.o
> 1328 0 0 1328 530 drivers/tty/tty_ldsem.o
> 316 0 0 316 13c drivers/tty/tty_mutex.o
> 2516 0 0 2516 9d4 drivers/tty/tty_port.o
> 51130 1067 345 52542 cd3e (TOTALS)
>
> With CONFIG_TTY=n and CONFIG_MINITTY_SERIAL=y, the above is replaced by:
>
> text data bss dec hex filename
> 8776 8 108 8892 22bc drivers/tty/serial/minitty_serial.o
tty_baudrate.o is missing here. It is included in serial_core.o when
CONFIG_TTY=y.
baruch
--
http://baruch.siach.name/blog/ ~. .~ Tk Open Systems
=}------------------------------------------------ooO--U--Ooo------------{=
- baruch at tkos.co.il - tel: +972.52.368.4656, http://www.tkos.co.il -
next prev parent reply other threads:[~2017-03-24 3:50 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-03-23 21:03 [PATCH 0/3] minitty: a minimal TTY layer alternative for embedded systems Nicolas Pitre
2017-03-23 21:03 ` [PATCH 1/3] console: move console_init() out of tty_io.c Nicolas Pitre
2017-03-23 21:03 ` [PATCH 2/3] tty: move baudrate handling code to a file of its own Nicolas Pitre
2017-03-23 21:03 ` [PATCH 3/3] minitty: minimal TTY support replacement for serial ports Nicolas Pitre
2017-03-24 3:50 ` Baruch Siach [this message]
2017-03-24 12:18 ` [PATCH 0/3] minitty: a minimal TTY layer alternative for embedded systems Nicolas Pitre
2017-03-24 6:50 ` Greg Kroah-Hartman
2017-03-24 12:31 ` Nicolas Pitre
2017-03-24 13:53 ` Greg Kroah-Hartman
2017-03-24 17:49 ` Nicolas Pitre
2017-03-24 20:46 ` Ard Biesheuvel
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=20170324035046.2mupvte2yzbgmslb@tarshish \
--to=baruch@tkos.co.il \
--cc=linux-arm-kernel@lists.infradead.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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox