.TH py_flowtime.d 1m "$Date: 2015/09/30 22:01:09 $" "USER COMMANDS" .SH NAME py_flowtime.d - snoop Python functions with flow and delta times. .SH SYNOPSIS .B py_flowtime.d .SH DESCRIPTION This traces shell activity from Python programs on the system that are running with Python provider support. This watches Python function entries and returns, and indents child function calls. Filename and function names are printed if available. .SH OS Any .SH STABILITY Evolving - uses the DTrace Python provider, which may change as additional features are introduced. Check Python/Readme to see what version these scripts are based on. .SH EXAMPLES .TP Default output, # .B py_flowtime.d .PP .SH FIELDS .TP C CPU-id .TP TIME(us) Time since boot, us .TP FILE Filename that this function belongs to .TP DELTA(us) Elapsed time from previous line to this line .TP FUNC Python function name .SH LEGEND .TP \-> function entry .TP <\- function 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 py_flowtime.d will run until Ctrl-C is hit. .SH AUTHOR Brendan Gregg [CA, USA] .SH SEE ALSO dtrace(1M)