I get all the "starting" "hello" and "ending code" just all together after all the 367 system calls and printed.

Replace print with print STDERR ...; (or use warn).

With the rise and rise of 'Social' network sites: 'Computers are making people easier to use everyday'
Examine what is said, not who speaks -- Silence betokens consent -- Love the truth but pardon error.
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In reply to Re^3: tracing system calls a perl script is making by BrowserUk
in thread tracing system calls a perl script is making by gideondsouza

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