1235368Sgnn#!/usr/sbin/dtrace -Zs 2235368Sgnn/* 3235368Sgnn * sh_calldist.d - measure Bourne shell elapsed times for types of operation. 4235368Sgnn * Written for the sh DTrace provider. 5235368Sgnn * 6235368Sgnn * $Id: sh_calldist.d 28 2007-09-13 10:49:37Z brendan $ 7235368Sgnn * 8235368Sgnn * This traces shell activity from all Bourne shells on the system that are 9235368Sgnn * running with sh provider support. 10235368Sgnn * 11235368Sgnn * USAGE: sh_calldist.d # hit Ctrl-C to end 12235368Sgnn * 13235368Sgnn * This script prints distribution plots of elapsed time for shell 14235368Sgnn * operations. Use sh_calltime.d for summary reports. 15235368Sgnn * 16235368Sgnn * FIELDS: 17235368Sgnn * 1 Filename of the shell or shellscript 18235368Sgnn * 2 Type of call (func/builtin/cmd) 19235368Sgnn * 3 Name of call 20235368Sgnn * 21235368Sgnn * Filename and call 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 49235368Sgnnsh*:::function-entry 50235368Sgnn{ 51235368Sgnn self->depth++; 52235368Sgnn self->exclude[self->depth] = 0; 53235368Sgnn self->function[self->depth] = timestamp; 54235368Sgnn} 55235368Sgnn 56235368Sgnnsh*:::function-return 57235368Sgnn/self->function[self->depth]/ 58235368Sgnn{ 59235368Sgnn this->elapsed_incl = timestamp - self->function[self->depth]; 60235368Sgnn this->elapsed_excl = this->elapsed_incl - self->exclude[self->depth]; 61235368Sgnn self->function[self->depth] = 0; 62235368Sgnn self->exclude[self->depth] = 0; 63235368Sgnn this->file = basename(copyinstr(arg0)); 64235368Sgnn this->name = copyinstr(arg1); 65235368Sgnn 66235368Sgnn @types_incl[this->file, "func", this->name] = 67235368Sgnn quantize(this->elapsed_incl / 1000); 68235368Sgnn @types_excl[this->file, "func", this->name] = 69235368Sgnn quantize(this->elapsed_excl / 1000); 70235368Sgnn 71235368Sgnn self->depth--; 72235368Sgnn self->exclude[self->depth] += this->elapsed_incl; 73235368Sgnn} 74235368Sgnn 75235368Sgnnsh*:::builtin-entry 76235368Sgnn{ 77235368Sgnn self->builtin = timestamp; 78235368Sgnn} 79235368Sgnn 80235368Sgnnsh*:::builtin-return 81235368Sgnn/self->builtin/ 82235368Sgnn{ 83235368Sgnn this->elapsed = timestamp - self->builtin; 84235368Sgnn self->builtin = 0; 85235368Sgnn 86235368Sgnn @types[basename(copyinstr(arg0)), "builtin", copyinstr(arg1)] = 87235368Sgnn quantize(this->elapsed / 1000); 88235368Sgnn 89235368Sgnn self->exclude[self->depth] += this->elapsed; 90235368Sgnn} 91235368Sgnn 92235368Sgnnsh*:::command-entry 93235368Sgnn{ 94235368Sgnn self->command = timestamp; 95235368Sgnn} 96235368Sgnn 97235368Sgnnsh*:::command-return 98235368Sgnn/self->command/ 99235368Sgnn{ 100235368Sgnn this->elapsed = timestamp - self->command; 101235368Sgnn self->command = 0; 102235368Sgnn 103235368Sgnn @types[basename(copyinstr(arg0)), "cmd", copyinstr(arg1)] = 104235368Sgnn quantize(this->elapsed / 1000); 105235368Sgnn 106235368Sgnn self->exclude[self->depth] += this->elapsed; 107235368Sgnn} 108235368Sgnn 109235368Sgnndtrace:::END 110235368Sgnn{ 111235368Sgnn printf("Elapsed times (us),\n\n"); 112235368Sgnn printa(" %s, %s, %s %@d\n", @types); 113235368Sgnn 114235368Sgnn printf("Exclusive function elapsed times (us),\n\n"); 115235368Sgnn printa(" %s, %s, %s %@d\n", @types_excl); 116235368Sgnn 117235368Sgnn printf("Inclusive function elapsed times (us),\n\n"); 118235368Sgnn printa(" %s, %s, %s %@d\n", @types_incl); 119235368Sgnn} 120