#!/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,v 1.1.1.1 2015/09/30 22:01:07 christos Exp $ * * 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); }