Check ROM and RAM usage by contiki firmware

msp430-size tool is an important tool to examine the RAM and ROM usage of contiki firmware. It comes with msp430-gcc compiler, as part of msp430 binutils.

$ msp430-size udp-client.sky 
   text	   data	    bss	    dec	    hex	filename
  48622	    246	   6874	  55742	   d9be	udp-client.sky

$ msp430-size hello-world.z1 
  text     data     bss     dec     hex filename
 45364      564   10845   67956   11856 hello-world.z1

ROM usage = text

RAM usage = data + bss

If you want more detailed info about individual functions and variables, use msp430-objdump -x.