如何分析C程序的内存使用情况

I need to figure out which part of a linux program that I am running, is taking how much (either percentage, or absolute) memory. I need to create a profile of multiple such programs, so that I can identify some of the bigger consumers of memory in my code, and see if I can optimize them to use less. I need it on MIPS platform, and unfortunately, Valgrind doesn't work on MIPS.I need to figure out which part of a linux prog