1235368Sgnn#!/usr/sbin/dtrace -Zs 2235368Sgnn/* 3235368Sgnn * rb_cpudist.d - measure Ruby on-CPU times for types of operation. 4235368Sgnn * Written for the Ruby DTrace provider. 5235368Sgnn * 6235368Sgnn * $Id: rb_cpudist.d 28 2007-09-13 10:49:37Z brendan $ 7235368Sgnn * 8235368Sgnn * This traces Ruby activity from all programs running on the system with 9235368Sgnn * Ruby provider support. 10235368Sgnn * 11235368Sgnn * USAGE: rb_cpudist.d # hit Ctrl-C to end 12235368Sgnn * 13235368Sgnn * This script prints distribution plots of elapsed time for Ruby 14235368Sgnn * operations. Use rb_cputime.d for summary reports. 15235368Sgnn * 16235368Sgnn * FIELDS: 17235368Sgnn * 1 Filename of the Ruby program 18235368Sgnn * 2 Type of call (method/obj-new/gc) 19235368Sgnn * 3 Name of call 20235368Sgnn * 21235368Sgnn * Filename and method names are printed if available. 22235368Sgnn * 23235368Sgnn * COPYRIGHT: Copyright (c) 2007 Brendan Gregg. 24235368Sgnn * 25235368Sgnn * CDDL HEADER START 26235368Sgnn * 27235368Sgnn * The contents of this file are subject to the terms of the 28235368Sgnn * Common Development and Distribution License, Version 1.0 only 29235368Sgnn * (the "License"). You may not use this file except in compliance 30235368Sgnn * with the License. 31235368Sgnn * 32235368Sgnn * You can obtain a copy of the license at Docs/cddl1.txt 33235368Sgnn * or http://www.opensolaris.org/os/licensing. 34235368Sgnn * See the License for the specific language governing permissions 35235368Sgnn * and limitations under the License. 36235368Sgnn * 37235368Sgnn * CDDL HEADER END 38235368Sgnn * 39235368Sgnn * 09-Sep-2007 Brendan Gregg Created this. 40235368Sgnn */ 41235368Sgnn 42235368Sgnn#pragma D option quiet 43235368Sgnn 44235368Sgnndtrace:::BEGIN 45235368Sgnn{ 46235368Sgnn printf("Tracing... Hit Ctrl-C to end.\n"); 47235368Sgnn} 48235368Sgnn 49235368Sgnnruby*:::function-entry 50235368Sgnn{ 51235368Sgnn self->depth++; 52235368Sgnn self->exclude[self->depth] = 0; 53235368Sgnn self->function[self->depth] = vtimestamp; 54235368Sgnn} 55235368Sgnn 56235368Sgnnruby*:::function-return 57235368Sgnn/self->function[self->depth]/ 58235368Sgnn{ 59235368Sgnn this->oncpu_incl = vtimestamp - self->function[self->depth]; 60235368Sgnn this->oncpu_excl = this->oncpu_incl - self->exclude[self->depth]; 61235368Sgnn self->function[self->depth] = 0; 62235368Sgnn self->exclude[self->depth] = 0; 63235368Sgnn this->file = basename(copyinstr(arg2)); 64235368Sgnn this->name = strjoin(strjoin(copyinstr(arg0), "::"), copyinstr(arg1)); 65235368Sgnn 66235368Sgnn @types_incl[this->file, "func", this->name] = 67235368Sgnn quantize(this->oncpu_incl / 1000); 68235368Sgnn @types_excl[this->file, "func", this->name] = 69235368Sgnn quantize(this->oncpu_excl / 1000); 70235368Sgnn 71235368Sgnn self->depth--; 72235368Sgnn self->exclude[self->depth] += this->oncpu_incl; 73235368Sgnn} 74235368Sgnn 75235368Sgnnruby*:::object-create-start 76235368Sgnn{ 77235368Sgnn self->object = vtimestamp; 78235368Sgnn} 79235368Sgnn 80235368Sgnnruby*:::object-create-done 81235368Sgnn/self->object/ 82235368Sgnn{ 83235368Sgnn this->oncpu = vtimestamp - self->object; 84235368Sgnn self->object = 0; 85235368Sgnn this->file = basename(copyinstr(arg1)); 86235368Sgnn this->file = this->file != NULL ? this->file : "."; 87235368Sgnn 88235368Sgnn @types[this->file, "obj-new", copyinstr(arg0)] = 89235368Sgnn quantize(this->oncpu / 1000); 90235368Sgnn 91235368Sgnn self->exclude[self->depth] += this->oncpu; 92235368Sgnn} 93235368Sgnn 94235368Sgnnruby*:::gc-begin 95235368Sgnn{ 96235368Sgnn self->gc = vtimestamp; 97235368Sgnn} 98235368Sgnn 99235368Sgnnruby*:::gc-end 100235368Sgnn/self->gc/ 101235368Sgnn{ 102235368Sgnn this->oncpu = vtimestamp - self->gc; 103235368Sgnn self->gc = 0; 104235368Sgnn 105235368Sgnn @types[".", "gc", "-"] = quantize(this->oncpu / 1000); 106235368Sgnn 107235368Sgnn self->exclude[self->depth] += this->oncpu; 108235368Sgnn} 109235368Sgnn 110235368Sgnndtrace:::END 111235368Sgnn{ 112235368Sgnn printf("\nOn-CPU times (us),\n"); 113235368Sgnn printa(" %s, %s, %s %@d\n", @types); 114235368Sgnn 115235368Sgnn printf("\nExclusive function on-CPU times (us),\n"); 116235368Sgnn printa(" %s, %s, %s %@d\n", @types_excl); 117235368Sgnn 118235368Sgnn printf("\nInclusive function on-CPU times (us),\n"); 119235368Sgnn printa(" %s, %s, %s %@d\n", @types_incl); 120235368Sgnn} 121