php_flow.d revision 235368
1234353Sdim#!/usr/sbin/dtrace -Zs 2218885Sdim/* 3218885Sdim * php_flow.d - snoop PHP execution showing function flow. 4218885Sdim * Written for the PHP DTrace provider. 5218885Sdim * 6218885Sdim * $Id: php_flow.d 53 2007-09-24 04:58:38Z brendan $ 7218885Sdim * 8218885Sdim * This traces PHP activity from all PHP programs on the system 9218885Sdim * running with PHP provider support. 10218885Sdim * 11218885Sdim * USAGE: php_flow.d # hit Ctrl-C to end 12218885Sdim * 13218885Sdim * This watches PHP function entries and returns, and indents child 14218885Sdim * function calls. 15249423Sdim * 16234353Sdim * FIELDS: 17218885Sdim * C CPU-id 18218885Sdim * TIME(us) Time since boot, us 19239462Sdim * FILE Filename that this function belongs to 20218885Sdim * FUNC Function name 21218885Sdim * 22218885Sdim * LEGEND: 23218885Sdim * -> function entry 24218885Sdim * <- function return 25249423Sdim * 26249423Sdim * WARNING: Watch the first column carefully, it prints the CPU-id. If it 27249423Sdim * changes, then it is very likely that the output has been shuffled. 28218885Sdim * 29218885Sdim * COPYRIGHT: Copyright (c) 2007 Brendan Gregg. 30218885Sdim * 31218885Sdim * CDDL HEADER START 32218885Sdim * 33218885Sdim * The contents of this file are subject to the terms of the 34218885Sdim * Common Development and Distribution License, Version 1.0 only 35218885Sdim * (the "License"). You may not use this file except in compliance 36218885Sdim * with the License. 37218885Sdim * 38218885Sdim * You can obtain a copy of the license at Docs/cddl1.txt 39218885Sdim * or http://www.opensolaris.org/os/licensing. 40218885Sdim * See the License for the specific language governing permissions 41218885Sdim * and limitations under the License. 42218885Sdim * 43218885Sdim * CDDL HEADER END 44218885Sdim * 45218885Sdim * 09-Sep-2007 Brendan Gregg Created this. 46218885Sdim */ 47218885Sdim 48218885Sdim#pragma D option quiet 49218885Sdim#pragma D option switchrate=10 50218885Sdim 51218885Sdimself int depth; 52218885Sdim 53218885Sdimdtrace:::BEGIN 54218885Sdim{ 55218885Sdim printf("%3s %-16s %-16s -- %s\n", "C", "TIME(us)", "FILE", "FUNC"); 56218885Sdim} 57218885Sdim 58218885Sdimphp*:::function-entry 59218885Sdim/arg0/ 60218885Sdim{ 61218885Sdim printf("%3d %-16d %-16s %*s-> %s\n", cpu, timestamp / 1000, 62218885Sdim basename(copyinstr(arg1)), self->depth * 2, "", copyinstr(arg0)); 63218885Sdim self->depth++; 64218885Sdim} 65218885Sdim 66218885Sdimphp*:::function-return 67218885Sdim/arg0/ 68218885Sdim{ 69218885Sdim self->depth -= self->depth > 0 ? 1 : 0; 70218885Sdim printf("%3d %-16d %-16s %*s<- %s\n", cpu, timestamp / 1000, 71218885Sdim basename(copyinstr(arg1)), self->depth * 2, "", copyinstr(arg0)); 72218885Sdim} 73218885Sdim