Watch your Python script with strace
Brandon Rhodes
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Modern operating systems sandbox each process inside of a virtual memory
map from which direct I/O operations are generally impossible. Instead,
a process has to ask the operating system every time it wants to modify
a file or communicate bytes over the network. By using operating system
specific tools to watch the system calls a Python script is making --
using "strace" under Linux or "truss" under Mac OS X -- you can study how
a program is behaving and address several different kinds of bugs.
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