Strace

Jul 20, 2023

System call tracer

strace is a system call tracer, i.e. a debugging tool which prints out a trace of all the system calls made by a another process/program.

strace is similar to the native BSD ``truss’’ utility, but it’s output style is more convenient in most cases.

For strace to work, procfs has to be mounted. FreeBSD does not mount it by default. For more information, man procfs.



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