vmtouch - the Virtual Memory Toucher
Portable file system cache diagnostics and control
vmtouch is a tool for learning about and controlling
the file system cache of unix and unix-like systems.
It is BSD licensed so you can basically do whatever
you want with it.
Compilation:
$ gcc -Wall -O3 -o vmtouch vmtouch.c
Installation:
$ sudo cp vmtouch /usr/local/bin/