1 #!/usr/sbin/dtrace -Zs 2 /* 3 * php_flowinfo.d - snoop PHP function flow with info using DTrace. 4 * Written for the PHP DTrace provider. 5 * 6 * $Id: php_flowinfo.d,v 1.1.1.1 2015/09/30 22:01:09 christos Exp $ 7 * 8 * This traces activity from all PHP programs on the system that are 9 * running with PHP provider support. 10 * 11 * USAGE: php_flowinfo.d # hit Ctrl-C to end 12 * 13 * FIELDS: 14 * C CPU-id 15 * PID Process ID 16 * DELTA(us) Elapsed time from previous line to this line 17 * FILE Filename of the PHP program 18 * LINE Line number of filename 19 * TYPE Type of call (func) 20 * FUNC PHP function 21 * 22 * LEGEND: 23 * -> function entry 24 * <- function return 25 * 26 * Filename and function names are printed if available. 27 * 28 * WARNING: Watch the first column carefully, it prints the CPU-id. If it 29 * changes, then it is very likely that the output has been shuffled. 30 * 31 * COPYRIGHT: Copyright (c) 2007 Brendan Gregg. 32 * 33 * CDDL HEADER START 34 * 35 * The contents of this file are subject to the terms of the 36 * Common Development and Distribution License, Version 1.0 only 37 * (the "License"). You may not use this file except in compliance 38 * with the License. 39 * 40 * You can obtain a copy of the license at Docs/cddl1.txt 41 * or http://www.opensolaris.org/os/licensing. 42 * See the License for the specific language governing permissions 43 * and limitations under the License. 44 * 45 * CDDL HEADER END 46 * 47 * 09-Sep-2007 Brendan Gregg Created this. 48 */ 49 50 #pragma D option quiet 51 #pragma D option switchrate=10 52 53 self int depth; 54 55 dtrace:::BEGIN 56 { 57 printf("%s %6s/%-4s %10s %16s:%-4s %-8s -- %s\n", "C", "PID", "TID", 58 "DELTA(us)", "FILE", "LINE", "TYPE", "FUNC"); 59 } 60 61 php*:::function-entry, 62 php*:::function-return 63 /self->last == 0/ 64 { 65 self->last = timestamp; 66 } 67 68 php*:::function-entry 69 /arg0/ 70 { 71 this->delta = (timestamp - self->last) / 1000; 72 printf("%d %6d/%-4d %10d %16s:%-4d %-8s %*s-> %s\n", cpu, pid, tid, 73 this->delta, basename(copyinstr(arg1)), arg2, "func", 74 self->depth * 2, "", copyinstr(arg0)); 75 self->depth++; 76 self->last = timestamp; 77 } 78 79 php*:::function-return 80 /arg0/ 81 { 82 this->delta = (timestamp - self->last) / 1000; 83 self->depth -= self->depth > 0 ? 1 : 0; 84 printf("%d %6d/%-4d %10d %16s:%-4d %-8s %*s<- %s\n", cpu, pid, tid, 85 this->delta, basename(copyinstr(arg1)), arg2, "func", 86 self->depth * 2, "", copyinstr(arg0)); 87 self->last = timestamp; 88 } 89