.TH rb_who.d 1m "$Date: 2015/09/30 22:01:09 $" "USER COMMANDS" .SH NAME rb_who.d - trace Ruby line execution by process using DTrace. .SH SYNOPSIS .B rb_who.d .SH DESCRIPTION This traces Ruby activity from all Ruby programs on the system that are running with Ruby provider support. Filenames are printed if available. .SH OS Any .SH STABILITY Evolving - uses the DTrace Ruby provider, which may change as additional features are introduced. Check Ruby/Readme to see what version these scripts are based on. .SH EXAMPLES .TP Default output, # .B rb_who.d .PP .SH FIELDS .TP PID Process ID of Ruby .TP UID User ID of the owner .TP LINES Number of times a line was executed .TP FILE Pathname of the Ruby program .PP .SH DOCUMENTATION See the DTraceToolkit for further documentation under the Examples, Notes and Docs directories. The example files may be especially useful as they aim to demonstrate how to interpret the output. .SH EXIT rb_who.d will run until Ctrl-C is hit. .SH AUTHOR Brendan Gregg [CA, USA] .SH SEE ALSO dtrace(1M)