hi there, my name is Kapil Pandit, and i'm studying at National Centre for Software Technology, Bangalore, India.currently i'm working on a project. my project is related to Indrusion Detection System.i'm doing intrusion detection at application level using Anomaly Detection method.for this i'm working on system call sequence of the application.i'm obtaining system call sequence with "strace" & i want to obtain it with "ptrace".i've tried all the request options of ptrace, but i'm not getting system call sequence. would you pl help me with this prob, & if you are busy, wd you pl give me contact id of some other person who can help me with this. waiting for ur reply regards kapil --