1 #!/usr/sbin/dtrace -Zs 2 /* 3 * php_syscalls.d - count PHP function calls and syscalls using DTrace. 4 * Written for the PHP DTrace provider. 5 * 6 * This traces syscalls that occured during a PHP function call. 7 * 8 * $Id: php_syscalls.d,v 1.1.1.1 2015/09/30 22:01:06 christos Exp $ 9 * 10 * USAGE: php_syscalls.d # hit Ctrl-C to end 11 * 12 * FIELDS: 13 * PID Process ID 14 * FILE Filename of the PHP program 15 * TYPE Type of call (func/syscall) 16 * NAME Name of call 17 * COUNT Number of calls during sample 18 * 19 * Filename and function names are printed if available. 20 * The filename for syscalls may be printed as "php", if the program 21 * was invoked using the form "php filename" rather than running the 22 * program with an interpreter line. 23 * 24 * COPYRIGHT: Copyright (c) 2007 Brendan Gregg. 25 * 26 * CDDL HEADER START 27 * 28 * The contents of this file are subject to the terms of the 29 * Common Development and Distribution License, Version 1.0 only 30 * (the "License"). You may not use this file except in compliance 31 * with the License. 32 * 33 * You can obtain a copy of the license at Docs/cddl1.txt 34 * or http://www.opensolaris.org/os/licensing. 35 * See the License for the specific language governing permissions 36 * and limitations under the License. 37 * 38 * CDDL HEADER END 39 * 40 * 09-Sep-2007 Brendan Gregg Created this. 41 */ 42 43 #pragma D option quiet 44 45 dtrace:::BEGIN 46 { 47 printf("Tracing... Hit Ctrl-C to end.\n"); 48 } 49 50 php*:::function-entry 51 /arg0/ 52 { 53 @calls[pid, basename(copyinstr(arg1)), "func", copyinstr(arg0)] = 54 count(); 55 self->php++; 56 } 57 58 php*:::function-return 59 /arg0/ 60 { 61 self->php -= self->php == 0 ? 0 : 1; 62 } 63 64 syscall:::entry 65 /self->php > 0/ 66 { 67 @calls[pid, basename(execname), "syscall", probefunc] = count(); 68 } 69 70 dtrace:::END 71 { 72 printf(" %-6s %-26s %-10s %-22s %8s\n", "PID", "FILE", "TYPE", "NAME", 73 "COUNT"); 74 printa(" %-6d %-26s %-10s %-22s %@8d\n", @calls); 75 } 76