1 #!/usr/sbin/dtrace -Zs 2 /* 3 * pl_syscolors.d - trace Perl subroutine flow plus syscalls, in color. 4 * Written for the Perl DTrace provider. 5 * 6 * $Id: pl_syscolors.d,v 1.1.1.1 2015/09/30 22:01:09 christos Exp $ 7 * 8 * USAGE: pl_syscolors.d { -p PID | -c cmd } # hit Ctrl-C to end 9 * 10 * This watches Perl subroutine entries and returns, and indents child 11 * subroutine calls. 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 Perl program 18 * LINE Line number of filename 19 * TYPE Type of call (sub/syscall) 20 * NAME Perl subroutine or syscall name 21 * 22 * Filename and subroutine names are printed if available. 23 * 24 * WARNING: Watch the first column carefully, it prints the CPU-id. If it 25 * changes, then it is very likely that the output has been shuffled. 26 * 27 * COPYRIGHT: Copyright (c) 2007 Brendan Gregg. 28 * 29 * CDDL HEADER START 30 * 31 * The contents of this file are subject to the terms of the 32 * Common Development and Distribution License, Version 1.0 only 33 * (the "License"). You may not use this file except in compliance 34 * with the License. 35 * 36 * You can obtain a copy of the license at Docs/cddl1.txt 37 * or http://www.opensolaris.org/os/licensing. 38 * See the License for the specific language governing permissions 39 * and limitations under the License. 40 * 41 * CDDL HEADER END 42 * 43 * 09-Sep-2007 Brendan Gregg Created this. 44 */ 45 46 #pragma D option quiet 47 #pragma D option switchrate=10 48 49 self int depth; 50 51 dtrace:::BEGIN 52 { 53 /* 54 * The following are terminal color escape sequences. 55 * Change them to whatever you prefer, eg HTML font tags. 56 */ 57 color_perl = "\033[2;35m"; /* violet, faint */ 58 color_syscall = "\033[2;32m"; /* green, faint */ 59 color_off = "\033[0m"; /* default */ 60 61 printf("%s %6s %10s %16s:%-4s %-8s -- %s\n", "C", "PID", "DELTA(us)", 62 "FILE", "LINE", "TYPE", "NAME"); 63 } 64 65 perl$target:::sub-entry, 66 perl$target:::sub-return, 67 syscall:::entry, 68 syscall:::return 69 /self->last == 0 && pid == $target/ 70 { 71 self->last = timestamp; 72 } 73 74 perl$target:::sub-entry 75 { 76 this->delta = (timestamp - self->last) / 1000; 77 printf("%s%d %6d %10d %16s:%-4d %-8s %*s-> %s%s\n", color_perl, 78 cpu, pid, this->delta, basename(copyinstr(arg0)), arg2, "sub", 79 self->depth * 2, "", copyinstr(arg1), color_off); 80 self->depth++; 81 self->last = timestamp; 82 } 83 84 perl$target:::sub-return 85 { 86 this->delta = (timestamp - self->last) / 1000; 87 this->name = strjoin(strjoin(copyinstr(arg0), "::"), copyinstr(arg1)); 88 self->depth -= self->depth > 0 ? 1 : 0; 89 printf("%s%d %6d %10d %16s:%-4d %-8s %*s<- %s%s\n", color_perl, 90 cpu, pid, this->delta, basename(copyinstr(arg0)), arg2, "sub", 91 self->depth * 2, "", copyinstr(arg1), color_off); 92 self->last = timestamp; 93 } 94 95 syscall:::entry 96 /pid == $target/ 97 { 98 this->delta = (timestamp - self->last) / 1000; 99 printf("%s%d %6d %10d %16s:- %-8s %*s-> %s%s\n", color_syscall, 100 cpu, pid, this->delta, "\"", "syscall", self->depth * 2, "", 101 probefunc, color_off); 102 self->last = timestamp; 103 } 104 105 syscall:::return 106 /pid == $target/ 107 { 108 this->delta = (timestamp - self->last) / 1000; 109 printf("%s%d %6d %10d %16s:- %-8s %*s<- %s%s\n", color_syscall, 110 cpu, pid, this->delta, "\"", "syscall", self->depth * 2, "", 111 probefunc, color_off); 112 self->last = timestamp; 113 } 114 115 proc:::exit 116 /pid == $target/ 117 { 118 exit(0); 119 } 120