Tracing system calls with Linux and implementing your system calls xen code documentation

http://www.cyberciti.biz/faq/howto-use-linux-truss-strace-command/

http://linux.die.net/man/1/strace

http://www.mjmwired.net/kernel/Documentation/oops-tracing.txt

http://www.ibm.com/developerworks/linux/library/l-system-calls/index.html

http://tldp.org/HOWTO/html_single/Implement-Sys-Call-Linux-2.6-i386/

Xen code documentation.
http://markmail.org/thread/hycuztz5md375x2y