#!/usr/sbin/dtrace -Zs
/*
* js_who.d - trace JavaScript function execution by process using DTrace.
* Written for the JavaScript DTrace provider.
*
* $Id: js_who.d 63 2007-10-04 04:34:38Z brendan $
*
* This traces JavaScript activity from all browsers on the system that are
* running with JavaScript provider support.
*
* USAGE: js_who.d # hit Ctrl-C to end
*
* FIELDS:
* PID Process ID of JavaScript
* UID User ID of the owner
* FUNCS Number of function calls
* FILE Pathname of the JavaScript program
*
* Filenames are printed if available.
*
* COPYRIGHT: Copyright (c) 2007 Brendan Gregg.
*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at Docs/cddl1.txt
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* CDDL HEADER END
*
* 09-Sep-2007 Brendan Gregg Created this.
*/
#pragma D option quiet
dtrace:::BEGIN
{
printf("Tracing... Hit Ctrl-C to end.\n");
}
javascript*:::function-entry
{
@funcs[pid, uid, copyinstr(arg0)] = count();
}
dtrace:::END
{
printf(" %6s %6s %6s %s\n", "PID", "UID", "FUNCS", "FILE");
printa(" %6d %6d %@6d %s\n", @funcs);
}