Messages in this thread | | | Date | Fri, 24 Mar 2017 08:18:39 -0400 (EDT) | From | Nicolas Pitre <> | Subject | Re: [PATCH 0/3] minitty: a minimal TTY layer alternative for embedded systems |
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On Fri, 24 Mar 2017, Baruch Siach wrote:
> 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.
It is also included when CONFIG_MINITTY_SERIAL=y, so for comparison purpose I didn't list common files here.
Nicolas
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