1N/A#!/usr/sbin/dtrace -Zs
1N/A/*
1N/A * rb_objcpu.d - measure Ruby object creation on-CPU time using DTrace.
1N/A * Written for the Ruby DTrace provider.
1N/A *
1N/A * $Id: rb_objcpu.d 20 2007-09-12 09:28:22Z brendan $
1N/A *
1N/A * This traces Ruby activity from all programs running on the system with
1N/A * Ruby provider support.
1N/A *
1N/A * USAGE: rb_objcpu.d # hit Ctrl-C to end
1N/A *
1N/A * Class names are printed if available.
1N/A *
1N/A * COPYRIGHT: Copyright (c) 2007 Brendan Gregg.
1N/A *
1N/A * CDDL HEADER START
1N/A *
1N/A * The contents of this file are subject to the terms of the
1N/A * Common Development and Distribution License, Version 1.0 only
1N/A * (the "License"). You may not use this file except in compliance
1N/A * with the License.
1N/A *
1N/A * You can obtain a copy of the license at Docs/cddl1.txt
1N/A * or http://www.opensolaris.org/os/licensing.
1N/A * See the License for the specific language governing permissions
1N/A * and limitations under the License.
1N/A *
1N/A * CDDL HEADER END
1N/A *
1N/A * 09-Sep-2007 Brendan Gregg Created this.
1N/A */
1N/A
1N/A#pragma D option quiet
1N/A
1N/Adtrace:::BEGIN
1N/A{
1N/A printf("Tracing... Hit Ctrl-C to end.\n");
1N/A}
1N/A
1N/Aruby*:::object-create-start
1N/A{
1N/A self->vstart = vtimestamp;
1N/A}
1N/A
1N/Aruby*:::object-create-done
1N/A/self->vstart/
1N/A{
1N/A this->oncpu = vtimestamp - self->vstart;
1N/A @total = sum(this->oncpu);
1N/A @dist[copyinstr(arg0)] = quantize(this->oncpu / 1000);
1N/A self->vstart = 0;
1N/A}
1N/A
1N/Adtrace:::END
1N/A{
1N/A normalize(@total, 1000000);
1N/A printa("Total object creation on-CPU time (ms): %@d\n\n", @total);
1N/A printf("Object creation on-CPU time distributions (us),\n");
1N/A printa(@dist);
1N/A}