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This will attach strace to the process you give to the -p option. If you want to capture everything that happens when the program runs, you can use this:
~ $ strace -o <output_file.txt> -e trace=all <program executable> [<any args to the program>]
WARNING: Capturing everything can lead to VERY large trace output files!
And, lastly, to capture *just* the process management type calls (e.g. fork, wait, and exec), you can use the following:
~ $ strace -o <output_file.txt> -e trace=process <program executable> [<any args to the program>]
There are many options and ways to use strace to figure out where trouble may lie in the running of a given program, so definitely check man strace to use the other options if you don't find the core issue with my suggestions above.
HTH. Let us know.
Last edited by ShadowCat8; 04-04-2013 at 12:44 PM.