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.TH js_flow.d 1m "$Date:: 2007-10-03 #$" "USER COMMANDS"
.SH NAME
js_flow.d - snoop JavaScript execution showing function flow using DTrace.
.SH SYNOPSIS
.B js_flow.d
.SH DESCRIPTION
This traces activity from all browsers on the system that are running
with JavaScript provider support.
Filename and function names are printed if available.
.SH OS
Any
.SH STABILITY
Evolving - uses the DTrace JavaScript provider, which may change
as additional features are introduced. Check JavaScript/Readme
to see what version these scripts are based on.
.SH EXAMPLES
.TP
Default output,
#
.B js_flow.d
.PP
.SH FIELDS
.TP
C
CPU-id
.TP
TIME(us)
Time since boot, us
.TP
FILE
Filename that this function belongs to
.TP
FUNC
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
js_flow.d will run until Ctrl-C is hit.
.SH AUTHOR
Brendan Gregg
[CA, USA]
.SH SEE ALSO
dtrace(1M)
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