.TH rb_flowinfo.d 1m "$Date: 2015/09/30 22:01:09 $" "USER COMMANDS" .SH NAME rb_flowinfo.d - snoop Ruby function (method) flow with info using DTrace. .SH SYNOPSIS .B rb_flowinfo.d .SH DESCRIPTION This traces activity from all Ruby programs on the system that are running with Ruby provider support. Filename and method names 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_flowinfo.d .PP .SH FIELDS .TP C CPU-id .TP PID Process ID .TP DELTA(us) Elapsed time from previous line to this line .TP FILE Filename of the Ruby program .TP LINE Line number of filename .TP TYPE Type of call (method) .TP NAME Ruby class and method name .SH LEGEND .TP \-> method entry .TP <\- method return .SH WARNING Watch the first column carefully, it prints the CPU-id. If it changes, then it is very likely that the output has been shuffled. .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_flowinfo.d will run until Ctrl-C is hit. .SH AUTHOR Brendan Gregg [CA, USA] .SH SEE ALSO dtrace(1M) |