Profile of Devel/StackTrace/Frame.pm

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NYTProf Performance Profile «line view»
For t/optimization.t
Run on Thu Jan 8 22:47:42 2015
Reported on Thu Jan 8 22:48:06 2015

Filename | /home/ss5/perl5/perlbrew/perls/tapper-perl/lib/site_perl/5.16.3/Devel/StackTrace/Frame.pm
Statements | Executed 33 statements in 765µs

Subroutines
Calls | P | F | Exclusive Time | Inclusive Time | Subroutine
--- | --- | --- | --- | --- | ---
1 | 1 | 1 | 40µs | 40µs | Devel::StackTrace::Frame::::BEGIN@10Devel::StackTrace::Frame::BEGIN@10
1 | 1 | 1 | 14µs | 28µs | Devel::StackTrace::Frame::::BEGIN@6Devel::StackTrace::Frame::BEGIN@6
1 | 1 | 1 | 9µs | 14µs | Devel::StackTrace::Frame::::BEGIN@7Devel::StackTrace::Frame::BEGIN@7
1 | 1 | 1 | 8µs | 19µs | Devel::StackTrace::Frame::::BEGIN@11Devel::StackTrace::Frame::BEGIN@11
0 | 0 | 0 | 0s | 0s | Devel::StackTrace::Frame::::__ANON__[:17]Devel::StackTrace::Frame::__ANON__[:17]
0 | 0 | 0 | 0s | 0s | Devel::StackTrace::Frame::::argsDevel::StackTrace::Frame::args
0 | 0 | 0 | 0s | 0s | Devel::StackTrace::Frame::::as_stringDevel::StackTrace::Frame::as_string
0 | 0 | 0 | 0s | 0s | Devel::StackTrace::Frame::::newDevel::StackTrace::Frame::new

Call graph for these subroutines as a Graphviz dot language file.

Line | State ments | Time on line | Calls | Time in subs | Code
--- | --- | --- | --- | --- | ---
1 |  |  |  |  | package Devel::StackTrace::Frame;
2 |  |  |  |  | {
3 | 2 | 1µs |  |  | $Devel::StackTrace::Frame::VERSION = '1.30';
4 |  |  |  |  | }
5 |  |  |  |  |
6 | 2 | 24µs | 2 | 42µs | # spent 28µs (14+14) within Devel::StackTrace::Frame::BEGIN@6 which was called: # once (14µs+14µs) by Devel::StackTrace::BEGIN@11 at line 6 use strict; # spent 28µs making 1 call to Devel::StackTrace::Frame::BEGIN@6 # spent 14µs making 1 call to strict::import
7 | 2 | 35µs | 2 | 18µs | # spent 14µs (9+5) within Devel::StackTrace::Frame::BEGIN@7 which was called: # once (9µs+5µs) by Devel::StackTrace::BEGIN@11 at line 7 use warnings; # spent 14µs making 1 call to Devel::StackTrace::Frame::BEGIN@7 # spent 5µs making 1 call to warnings::import
8 |  |  |  |  |
9 |  |  |  |  | # Create accessor routines
10 |  |  |  |  | # spent 40µs within Devel::StackTrace::Frame::BEGIN@10 which was called: # once (40µs+0s) by Devel::StackTrace::BEGIN@11 at line 19 BEGIN {
11 | 2 | 76µs | 2 | 31µs | # spent 19µs (8+11) within Devel::StackTrace::Frame::BEGIN@11 which was called: # once (8µs+11µs) by Devel::StackTrace::BEGIN@11 at line 11 no strict 'refs'; # spent 19µs making 1 call to Devel::StackTrace::Frame::BEGIN@11 # spent 11µs making 1 call to strict::unimport
12 | 1 | 7µs |  |  | foreach my $f (
13 |  |  |  |  | qw( package filename line subroutine hasargs
14 |  |  |  |  | wantarray evaltext is_require hints bitmask args )
15 |  |  |  |  | ) {
16 | 11 | 2µs |  |  | next if $f eq 'args';
17 | 10 | 32µs |  |  | *{$f} = sub { my $s = shift; return $s->{$f} };
18 |  |  |  |  | }
19 | 1 | 579µs | 1 | 40µs | } # spent 40µs making 1 call to Devel::StackTrace::Frame::BEGIN@10
20 |  |  |  |  |
21 |  |  |  |  | {
22 | 2 | 3µs |  |  | my @fields = (
23 |  |  |  |  | qw( package filename line subroutine hasargs wantarray
24 |  |  |  |  | evaltext is_require hints bitmask )
25 |  |  |  |  | );
26 |  |  |  |  |
27 |  |  |  |  | sub new {
28 |  |  |  |  | my $proto = shift;
29 |  |  |  |  | my $class = ref $proto || $proto;
30 |  |  |  |  |
31 |  |  |  |  | my $self = bless {}, $class;
32 |  |  |  |  |
33 |  |  |  |  | @{$self}{@fields} = @{ shift() };
34 |  |  |  |  |
35 |  |  |  |  | # fixup unix-style paths on win32
36 |  |  |  |  | $self->{filename} = File::Spec->canonpath( $self->{filename} );
37 |  |  |  |  |
38 |  |  |  |  | $self->{args} = shift;
39 |  |  |  |  |
40 |  |  |  |  | $self->{respect_overload} = shift;
41 |  |  |  |  |
42 |  |  |  |  | $self->{max_arg_length} = shift;
43 |  |  |  |  |
44 |  |  |  |  | $self->{message} = shift;
45 |  |  |  |  |
46 |  |  |  |  | $self->{indent} = shift;
47 |  |  |  |  |
48 |  |  |  |  | return $self;
49 |  |  |  |  | }
50 |  |  |  |  | }
51 |  |  |  |  |
52 |  |  |  |  | sub args {
53 |  |  |  |  | my $self = shift;
54 |  |  |  |  |
55 |  |  |  |  | return @{ $self->{args} };
56 |  |  |  |  | }
57 |  |  |  |  |
58 |  |  |  |  | sub as_string {
59 |  |  |  |  | my $self = shift;
60 |  |  |  |  | my $first = shift;
61 |  |  |  |  | my $p = shift;
62 |  |  |  |  |
63 |  |  |  |  | my $sub = $self->subroutine;
64 |  |  |  |  |
65 |  |  |  |  | # This code stolen straight from Carp.pm and then tweaked. All
66 |  |  |  |  | # errors are probably my fault -dave
67 |  |  |  |  | if ($first) {
68 |  |  |  |  | $sub
69 |  |  |  |  | = defined $self->{message}
70 |  |  |  |  | ? $self->{message}
71 |  |  |  |  | : 'Trace begun';
72 |  |  |  |  | }
73 |  |  |  |  | else {
74 |  |  |  |  |
75 |  |  |  |  | # Build a string, $sub, which names the sub-routine called.
76 |  |  |  |  | # This may also be "require ...", "eval '...' or "eval {...}"
77 |  |  |  |  | if ( my $eval = $self->evaltext ) {
78 |  |  |  |  | if ( $self->is_require ) {
79 |  |  |  |  | $sub = "require $eval";
80 |  |  |  |  | }
81 |  |  |  |  | else {
82 |  |  |  |  | $eval =~ s/([\\\'])/\\$1/g;
83 |  |  |  |  | $sub = "eval '$eval'";
84 |  |  |  |  | }
85 |  |  |  |  | }
86 |  |  |  |  | elsif ( $sub eq '(eval)' ) {
87 |  |  |  |  | $sub = 'eval {...}';
88 |  |  |  |  | }
89 |  |  |  |  |
90 |  |  |  |  | # if there are any arguments in the sub-routine call, format
91 |  |  |  |  | # them according to the format variables defined earlier in
92 |  |  |  |  | # this file and join them onto the $sub sub-routine string
93 |  |  |  |  | #
94 |  |  |  |  | # We copy them because they're going to be modified.
95 |  |  |  |  | #
96 |  |  |  |  | if ( my @a = $self->args ) {
97 |  |  |  |  | for (@a) {
98 |  |  |  |  |
99 |  |  |  |  | # set args to the string "undef" if undefined
100 |  |  |  |  | $_ = "undef", next unless defined $_;
101 |  |  |  |  |
102 |  |  |  |  | # hack!
103 |  |  |  |  | $_ = $self->Devel::StackTrace::_ref_to_string($_)
104 |  |  |  |  | if ref $_;
105 |  |  |  |  |
106 |  |  |  |  | local $SIG{__DIE__};
107 |  |  |  |  | local $@;
108 |  |  |  |  |
109 |  |  |  |  | eval {
110 |  |  |  |  | my $max_arg_length
111 |  |  |  |  | = exists $p->{max_arg_length}
112 |  |  |  |  | ? $p->{max_arg_length}
113 |  |  |  |  | : $self->{max_arg_length};
114 |  |  |  |  |
115 |  |  |  |  | if ( $max_arg_length
116 |  |  |  |  | && length $_ > $max_arg_length ) {
117 |  |  |  |  | substr( $_, $max_arg_length ) = '...';
118 |  |  |  |  | }
119 |  |  |  |  |
120 |  |  |  |  | s/'/\\'/g;
121 |  |  |  |  |
122 |  |  |  |  | # 'quote' arg unless it looks like a number
123 |  |  |  |  | $_ = "'$_'" unless /^-?[\d.]+$/;
124 |  |  |  |  |
125 |  |  |  |  | # print control/high ASCII chars as 'M-<char>' or '^<char>'
126 |  |  |  |  | s/([\200-\377])/sprintf("M-%c",ord($1)&0177)/eg;
127 |  |  |  |  | s/([\0-\37\177])/sprintf("^%c",ord($1)^64)/eg;
128 |  |  |  |  | };
129 |  |  |  |  |
130 |  |  |  |  | if ( my $e = $@ ) {
131 |  |  |  |  | $_ = $e =~ /malformed utf-8/i ? '(bad utf-8)' : '?';
132 |  |  |  |  | }
133 |  |  |  |  | }
134 |  |  |  |  |
135 |  |  |  |  | # append ('all', 'the', 'arguments') to the $sub string
136 |  |  |  |  | $sub .= '(' . join( ', ', @a ) . ')';
137 |  |  |  |  | $sub .= ' called';
138 |  |  |  |  | }
139 |  |  |  |  | }
140 |  |  |  |  |
141 |  |  |  |  | # If the user opted into indentation (a la Carp::confess), pre-add a tab
142 |  |  |  |  | my $tab = $self->{indent} && !$first ? "\t" : q{};
143 |  |  |  |  |
144 |  |  |  |  | return "${tab}$sub at " . $self->filename . ' line ' . $self->line;
145 |  |  |  |  | }
146 |  |  |  |  |
147 | 1 | 5µs |  |  | 1;
148 |  |  |  |  |
149 |  |  |  |  | # ABSTRACT: A single frame in a stack trace
150 |  |  |  |  |
151 |  |  |  |  | __END__