#!/usr/sbin/dtrace -Zs
/*
* rb_funccalls.d - count Ruby function (method) calls using DTrace.
* Written for the Ruby DTrace provider.
*
* $Id: rb_funccalls.d 20 2007-09-12 09:28:22Z brendan $
*
* This traces activity from all Ruby programs on the system that are
* running with Ruby provider support.
*
* USAGE: rb_funccalls.d # hit Ctrl-C to end
*
* FIELDS:
* FILE Filename of the Ruby program
* METHOD Method name
* COUNT Number of calls during sample
*
* Filename and method names 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");
}
ruby*:::function-entry
{
@funcs[basename(copyinstr(arg2)), copyinstr(arg0), copyinstr(arg1)] =
count();
}
dtrace:::END
{
printf(" %-32.32s %-16s %-16s %8s\n", "FILE", "CLASS", "METHOD",
"CALLS");
printa(" %-32.32s %-16s %-16s %@8d\n", @funcs);
}