#!/usr/sbin/dtrace -Zs /* * rb_calls.d - count Ruby calls using DTrace. * Written for the Ruby DTrace provider. * * $Id: rb_calls.d,v 1.1.1.1 2015/09/30 22:01:09 christos Exp $ * * This traces activity from all Ruby programs on the system that are * running with Ruby provider support. * * USAGE: rb_calls.d # hit Ctrl-C to end * * FIELDS: * FILE Filename of the Ruby program * TYPE Type of call (method/obj-new/...) * NAME Descriptive name of call * 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 { this->name = strjoin(strjoin(copyinstr(arg0), "::"), copyinstr(arg1)); @calls[basename(copyinstr(arg2)), "method", this->name] = count(); } ruby*:::object-create-start { this->name = copyinstr(arg0); this->filename = basename(copyinstr(arg1)); this->filename = this->filename != NULL ? this->filename : "."; @calls[this->filename, "obj-new", this->name] = count(); } ruby*:::object-free { this->name = copyinstr(arg0); @calls[".", "obj-free", this->name] = count(); } ruby*:::gc-begin { @calls[".", "gc", "begin"] = count(); } ruby*:::raise { this->name = copyinstr(arg0); @calls[basename(copyinstr(arg1)), "raise", this->name] = count(); } ruby*:::rescue { @calls[basename(copyinstr(arg0)), "rescue", "-"] = count(); } dtrace:::END { printf(" %-24s %-10s %-30s %8s\n", "FILE", "TYPE", "NAME", "CALLS"); printa(" %-24s %-10s %-30s %@8d\n", @calls); }