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package Devel::NYTProf::Callgrind::Ticks; # Represents a mesh of Ticks read from a callgrind file |
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use strict; |
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use warnings; |
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our $VERSION = '0.02'; |
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use Moose; |
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1808034
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# This class is mainly for TicksDiff but you can also use it alone |
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# to load and save callgrind files. |
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# |
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# With this class you may find via getBlockEquivalent() the same callgrind |
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# block in a file by using a different callgrind file as reference to |
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# compare the values. |
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# |
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# Or you want to manipulate callgrind files by changing values or adding blocks. |
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# If you plan to write any kind of ticks analysis this class might be helpull. |
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# Then maybe getBlocksAsArray() is usefull. |
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# |
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# AUTHOR |
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# ====== |
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# Andreas Hernitscheck - ahernit AT cpan.org |
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# |
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# LICENCE |
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# ======= |
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# You can redistribute it and/or modify it under the conditions of |
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# LGPL and Artistic Licence. |
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# file to be loaded |
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has 'file' => ( |
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is => 'rw', |
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isa => 'Str', |
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); |
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# returns the list of blocks, |
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# or writes them |
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has 'list' => ( |
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is => 'rw', |
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isa => 'ArrayRef', |
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default => sub{[]}, |
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); |
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has 'blocks_by_id' => ( |
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is => 'rw', |
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isa => 'HashRef', |
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default => sub{{}}, |
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); |
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54
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55
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sub BUILD{ |
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1
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8217
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my $self = shift; |
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58
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# file to be loaded? |
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497
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if ( $self->file() ){ |
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10
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284
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$self->loadFile( $self->file() ); |
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} |
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} |
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# Loads the callgrind file into memory and starts internal indexing of the blocks. |
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sub loadFile{ # void ( $filename ) |
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1
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my $self = shift; |
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my $file = shift; |
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if ( not -f $file ){ die "file $file does not exist" }; |
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72
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576
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open( my $fh, $file ); |
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74
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10
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18
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my $area; |
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my $block; |
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0
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0
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my @list; |
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231
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while ( my $line = <$fh> ){ |
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354
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480
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$line =~ s/\n//; # remove return |
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80
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# starting an area |
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354
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100
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571
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if ( $line =~ m/events:\s(\w+)/i ){ |
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31
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$area = lc($1); |
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33
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next; |
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} |
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86
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# skip line if not type ticks |
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344
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414
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if ( $area ne 'ticks' ){ next }; |
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0
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88
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89
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# empty line is cleaning the block buffer |
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344
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100
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557
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if ( $line =~ m/^\s*$/ ){ |
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92
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# save the found block infos |
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68
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100
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135
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if ( scalar( keys %$block ) != 0 ){ push @list,$block }; |
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67
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94
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95
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68
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72
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$block={}; |
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178
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next; |
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} |
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99
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# is there a equals char? (=) |
100
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276
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100
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503
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if ( $line =~ m/(\w+)=(.+)/ ){ |
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218
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215
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my $key = $1; |
102
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218
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209
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my $value = $2; |
103
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218
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261
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$block->{ $key } = $value; |
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105
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218
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100
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295
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if ( $key eq 'calls' ){ |
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75
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my ($count, $dstpos) = split(/ /, $value, 2); |
107
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34
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48
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$block->{ 'count' } = $count; |
108
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34
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43
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$block->{ 'dstpos' } = $dstpos; |
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} |
110
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} |
111
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112
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## read the ticks |
113
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276
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100
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721
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if ( $line =~ m/^(\d+) (\d+)$/ ){ |
114
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58
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106
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$block->{ 'srcpos' } = $1; |
115
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58
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200
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$block->{ 'ticks' } = $2; |
116
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} |
117
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118
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} # while |
119
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120
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# no blank line on the end? save the block if needed |
121
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10
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100
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33
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if ( keys %$block ){ push @list,$block }; |
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4
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122
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123
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#print Dumper( \@list ); |
124
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125
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# save the callgrind list holding blocks |
126
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10
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379
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$self->list( \@list ); |
127
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10
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33
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$self->_buildIdHash(); |
128
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129
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10
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248
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close( $fh ); |
130
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} |
131
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132
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133
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# build hash to for list_by_id to find |
134
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# nodes by a fingerprint/id |
135
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sub _buildIdHash{ |
136
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10
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10
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14
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my $self = shift; |
137
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10
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312
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my $list = $self->list(); |
138
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10
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17
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my $idhash = {}; |
139
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140
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10
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21
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foreach my $block (@$list){ |
141
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58
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76
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my $id = $self->_createFingerprintOfBlock( $block ); |
142
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143
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58
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112
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$idhash->{ $id } = $block; |
144
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} |
145
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146
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#print Dumper( $idhash ); |
147
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10
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331
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$self->blocks_by_id( $idhash ); |
148
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} |
149
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150
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# Adds a block. For example you start with an |
151
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# empty object and wants to add blocks from |
152
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# a different object. It will replace an existing |
153
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# block if the definition existists already. So |
154
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# addBlock can also be used to update a block. |
155
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# If you update an existing block, it does break |
156
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# the reference to the given hashref, it makes a copy |
157
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# of the values. So do not use the original hash then |
158
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# but use the method of this class to get the callgrind text. |
159
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sub addBlock{ # void ( HashRef $block ) |
160
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38
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38
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1
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490
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my $self = shift; |
161
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38
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29
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my $block = shift; |
162
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163
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38
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48
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my $id = $self->_createFingerprintOfBlock( $block ); |
164
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38
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1349
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my $found = $self->blocks_by_id()->{ $id }; |
165
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166
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# if already in, replace it, otherwise add it |
167
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38
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100
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58
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if ( $found ){ |
168
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2
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3
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%{ $found } = %{ $block }; |
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12
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2
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5
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169
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}else{ |
170
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36
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50
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62
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if ( scalar( keys %$block ) != 0 ){ |
171
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36
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24
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push @{ $self->list() }, $block; |
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36
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968
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172
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36
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1010
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$self->blocks_by_id()->{ $id } = $block; |
173
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} |
174
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} |
175
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176
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} |
177
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178
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179
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# Takes a callgrind block and creates a unique string |
180
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# to compare different files and find the same block. |
181
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sub _createFingerprintOfBlock{ |
182
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155
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155
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4268
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my $self = shift; |
183
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155
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105
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my $block = shift; |
184
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155
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119
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my $id; |
185
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186
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155
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263
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my @keys = qw( fl fn srcpos cfl cfn dstpos ); |
187
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188
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155
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100
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my @id; |
189
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155
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141
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foreach my $w (@keys){ |
190
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930
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100
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1631
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push @id, $block->{ $w } || ''; |
191
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} |
192
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155
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242
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$id = join("#", @id); |
193
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194
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155
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264
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return $id; |
195
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} |
196
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197
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198
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# returns the equivalent block in that object to a given |
199
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# strange block (from a different object). |
200
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# Returns undef if not found. |
201
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sub getBlockEquivalent{ # \%block ( \%block ) |
202
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31
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31
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1
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27
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my $self = shift; |
203
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31
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24
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my $block = shift; |
204
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31
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23
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my $found = undef; |
205
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206
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31
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44
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my $id = $self->_createFingerprintOfBlock( $block ); |
207
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208
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31
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100
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978
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if ( exists $self->blocks_by_id()->{ $id } ){ |
209
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29
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838
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$found = $self->blocks_by_id()->{ $id }; |
210
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} |
211
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212
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31
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61
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return $found; |
213
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} |
214
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215
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216
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# Is the same as list(). It returns an ArrayRef |
217
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# of the blocks (HashRefs). |
218
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sub getBlocksAsArray{ # \@list |
219
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21
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my $self = shift; |
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return $self->list(); |
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} |
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# Save the data to a callgrind file. The event type will |
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# be 'Ticks', nothing else. |
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sub saveFile{ # void ( $filename ) |
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my $self = shift; |
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my $file = shift; |
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my $text = $self->getAsText(); |
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open( my $fh, ">$file" ) or die "Can not write file $file"; |
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print $fh $text; |
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close( $fh ); |
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} |
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# Returns the callgrind text |
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sub getAsText{ # $text |
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my $self = shift; |
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my @lines; |
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push @lines, "events: Ticks"; |
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push @lines, ""; |
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my @pairs = qw( fl fn cfl cfn calls ); |
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foreach my $node ( @{ $self->list() } ){ |
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my @block = (); |
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foreach my $p ( @pairs ){ |
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push @block,"$p=".$node->{$p} if exists $node->{$p}; |
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} |
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push @lines, join( "\n", @block ); |
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push @lines, $node->{'srcpos'}.' '.$node->{'ticks'}; |
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push @lines, ""; |
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} |
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return join( "\n", @lines ); |
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} |
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1; |
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#################### pod generated by Pod::Autopod - keep this line to make pod updates possible #################### |
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=head1 NAME |
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Devel::NYTProf::Callgrind::Ticks - Represents a mesh of Ticks read from a callgrind file |
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=head1 DESCRIPTION |
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This class is mainly for TicksDiff but you can also use it alone |
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to load and save callgrind files. |
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286
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With this class you may find via getBlockEquivalent() the same callgrind |
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block in a file by using a different callgrind file as reference to |
288
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compare the values. |
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290
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Or you want to manipulate callgrind files by changing values or adding blocks. |
291
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If you plan to write any kind of ticks analysis this class might be helpull. |
292
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Then maybe getBlocksAsArray() is usefull. |
293
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294
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295
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296
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=head1 REQUIRES |
297
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298
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L<Moose> |
299
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300
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301
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=head1 METHODS |
302
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303
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=head2 new |
304
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305
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$this->new(); |
306
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307
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=head2 BUILD |
308
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309
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$this->BUILD(); |
310
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311
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=head2 addBlock |
312
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313
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|
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$this->addBlock(\%$block); |
314
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315
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|
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Adds a block. For example you start with an |
316
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empty object and wants to add blocks from |
317
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a different object. It will replace an existing |
318
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block if the definition existists already. So |
319
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addBlock can also be used to update a block. |
320
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If you update an existing block, it does break |
321
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|
|
the reference to the given hashref, it makes a copy |
322
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|
of the values. So do not use the original hash then |
323
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|
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|
|
but use the method of this class to get the callgrind text. |
324
|
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325
|
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326
|
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|
|
=head2 getAsText |
327
|
|
|
|
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|
|
|
328
|
|
|
|
|
|
|
my $text = $this->getAsText(); |
329
|
|
|
|
|
|
|
|
330
|
|
|
|
|
|
|
Returns the callgrind text |
331
|
|
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|
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|
332
|
|
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333
|
|
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|
|
=head2 getBlockEquivalent |
334
|
|
|
|
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|
|
|
335
|
|
|
|
|
|
|
my \%block = $this->getBlockEquivalent(\%block); |
336
|
|
|
|
|
|
|
|
337
|
|
|
|
|
|
|
returns the equivalent block in that object to a given |
338
|
|
|
|
|
|
|
strange block (from a different object). |
339
|
|
|
|
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|
|
Returns undef if not found. |
340
|
|
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|
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341
|
|
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|
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342
|
|
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|
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|
|
=head2 getBlocksAsArray |
343
|
|
|
|
|
|
|
|
344
|
|
|
|
|
|
|
my \@list = $this->getBlocksAsArray(); |
345
|
|
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|
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|
|
|
346
|
|
|
|
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|
|
Is the same as list(). It returns an ArrayRef |
347
|
|
|
|
|
|
|
of the blocks (HashRefs). |
348
|
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349
|
|
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350
|
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|
|
=head2 loadFile |
351
|
|
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|
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|
|
|
352
|
|
|
|
|
|
|
$this->loadFile($filename); |
353
|
|
|
|
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|
|
|
354
|
|
|
|
|
|
|
Loads the callgrind file into memory and starts internal indexing of the blocks. |
355
|
|
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|
|
|
|
|
356
|
|
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|
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|
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357
|
|
|
|
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|
|
=head2 saveFile |
358
|
|
|
|
|
|
|
|
359
|
|
|
|
|
|
|
$this->saveFile($filename); |
360
|
|
|
|
|
|
|
|
361
|
|
|
|
|
|
|
Save the data to a callgrind file. The event type will |
362
|
|
|
|
|
|
|
be 'Ticks', nothing else. |
363
|
|
|
|
|
|
|
|
364
|
|
|
|
|
|
|
|
365
|
|
|
|
|
|
|
|
366
|
|
|
|
|
|
|
=head1 LICENCE |
367
|
|
|
|
|
|
|
|
368
|
|
|
|
|
|
|
You can redistribute it and/or modify it under the conditions of |
369
|
|
|
|
|
|
|
LGPL and Artistic Licence. |
370
|
|
|
|
|
|
|
|
371
|
|
|
|
|
|
|
|
372
|
|
|
|
|
|
|
=head1 AUTHOR |
373
|
|
|
|
|
|
|
|
374
|
|
|
|
|
|
|
Andreas Hernitscheck - ahernit AT cpan.org |
375
|
|
|
|
|
|
|
|
376
|
|
|
|
|
|
|
|
377
|
|
|
|
|
|
|
|
378
|
|
|
|
|
|
|
=cut |
379
|
|
|
|
|
|
|
|