#!/usr/sbin/dtrace -Zs
/*
* rb_lines.d - trace Ruby line execution by process using DTrace.
* Written for the Ruby DTrace provider.
*
* $Id: rb_lines.d 20 2007-09-12 09:28:22Z brendan $
*
* This traces Ruby activity from all Ruby programs on the system that are
* running with Ruby provider support.
*
* USAGE: rb_who.d # hit Ctrl-C to end
*
* FIELDS:
* FILE Filename of the Ruby program
* LINE Line number
* COUNT Number of times a line was executed
*
* 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");
}
ruby*:::line
{
@calls[basename(copyinstr(arg0)), arg1] = count();
}
dtrace:::END
{
printf(" %32s:%-6s %10s\n", "FILE", "LINE", "COUNT");
printa(" %32s:%-6d %@10d\n", @calls);
}