line |
stmt |
bran |
cond |
sub |
pod |
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code |
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package POE::Devel::Top; |
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3
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1
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1
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1004
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use strict; |
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1
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52
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use warnings; |
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40
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use Carp; |
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1
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101
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7
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1
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1
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1579
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use POE qw< API::Peek Session >; |
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126725
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use Term::ANSIColor qw< :constants >; |
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our $VERSION = "0.100"; |
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# |
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# import() |
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# ------ |
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sub import { |
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my ($class, @args) = @_; |
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# if caller line is zero, it means the module was loaded from the |
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# command line, in which case we automatically spawn the session |
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my ($package, undef, $line) = caller; |
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$class->spawn(render => "console", @args) |
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if $line == 0 or $package eq __PACKAGE__; |
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} |
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# |
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# spawn() |
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# ----- |
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sub spawn { |
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my ($class, @args) = @_; |
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croak "Odd number of argument" if @args % 2 == 1; |
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36
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POE::Session->create( |
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heap => { |
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interval => 2, |
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@args |
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}, |
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42
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inline_states => { |
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_start => sub { |
44
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$_[KERNEL]->alias_set("[$class]"); |
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$_[KERNEL]->delay(poe_devel_top_collect => $_[HEAP]->{interval}); |
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}, |
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poe_devel_top_collect => \&collect, |
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poe_devel_top_render => \&render, |
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poe_devel_top_store => \&store, |
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}, |
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); |
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} |
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54
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55
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# |
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# collect() |
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# ------- |
58
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sub collect { |
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my ($kernel, $heap) = @_[ KERNEL, HEAP ]; |
60
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my $poe_api = POE::API::Peek->new; |
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my $now = time; |
62
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63
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# collect general data about the current process |
64
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my @times = times; |
65
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my @pwent = getpwuid(int $>); |
66
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my $egid = (split / /, $))[0]; |
67
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my @grent = getgrgid(int $egid); |
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69
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my %general = ( |
70
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process => { |
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pid => $$, |
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uid => $>, |
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gid => $egid, |
74
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user => $pwent[0], |
75
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group => $grent[0], |
76
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}, |
77
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resource => { |
78
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utime_self => $times[0], |
79
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utime_chld => $times[2], |
80
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stime_self => $times[1], |
81
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stime_chld => $times[3], |
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}, |
83
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poe => { |
84
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sessions => $poe_api->session_count, |
85
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handles => $poe_api->handle_count, |
86
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loop => $poe_api->which_loop, |
87
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}, |
88
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); |
89
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90
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# collect information about the sessions |
91
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my $kernel_id = $kernel->ID; |
92
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my @sessions; |
93
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94
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for my $session ($poe_api->session_list) { |
95
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push @sessions, { |
96
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$session->ID eq $kernel_id ? ( |
97
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id => 0, |
98
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aliases => "[POE::Kernel] id=".$session->ID, |
99
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) : ( |
100
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id => $session->ID, |
101
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aliases => join(",", $poe_api->session_alias_list($session)), |
102
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), |
103
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memory_size => $poe_api->session_memory_size($session), |
104
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refcount => $poe_api->get_session_refcount($session), |
105
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events_to => $poe_api->event_count_to($session), |
106
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events_from => $poe_api->event_count_from($session), |
107
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}; |
108
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} |
109
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110
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@sessions = sort { $a->{id} <=> $b->{id} } @sessions; |
111
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112
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# collect information about the events |
113
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my @events; |
114
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115
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for my $event ($poe_api->event_queue_dump) { |
116
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push @events, { |
117
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id => $event->{ID}, |
118
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name => $event->{event}, |
119
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type => $event->{type}, |
120
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priority => $event->{priority} > $now ? |
121
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$event->{priority} - $now : $event->{priority}, |
122
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source => $event->{source}->ID, |
123
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destination => $event->{destination}->ID, |
124
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} |
125
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} |
126
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127
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# create the final hash |
128
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my %stats = ( |
129
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general => \%general, |
130
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sessions => \@sessions, |
131
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events => \@events, |
132
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); |
133
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134
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# call myself |
135
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$kernel->delay(poe_devel_top_collect => $heap->{interval}); |
136
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137
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# call the dumper event |
138
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$kernel->yield(poe_devel_top_store => \%stats) |
139
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if $heap->{dump_as} and $heap->{dump_as} ne "none"; |
140
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141
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# call the renderer event |
142
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$kernel->yield(poe_devel_top_render => \%stats) |
143
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if $heap->{render} eq "console"; |
144
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145
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return \%stats |
146
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} |
147
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148
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149
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# |
150
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# render() |
151
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# ------ |
152
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sub render { |
153
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my ($kernel, $stats) = @_[ KERNEL, ARG0 ]; |
154
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my $proc = $stats->{general}{process}; |
155
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my $rsrc = $stats->{general}{resource}; |
156
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157
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local $Term::ANSIColor::AUTORESET = 1; |
158
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159
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my $session_head = REVERSE(BOLD "%5s %6s %8s %6s %8s %-40s").$/; |
160
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my $session_row = "%5d %6s %8d %6d %8d %-40s\n"; |
161
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my @session_cols = qw< ID Memory Refcount EvtsTo EvtsFrom Aliases >; |
162
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163
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my $event_head = REVERSE(BOLD "%5s %-17s %4s %5s %5s %-40s").$/; |
164
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my $event_row = "%5d %-17s %4d %5d %5d %-40s\n"; |
165
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my @event_cols = qw< ID Type Pri Src Dest Name >; |
166
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167
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print "\e[2J\e[f", |
168
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"Process ID: $proc->{pid}, ", |
169
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"UID: $proc->{uid} ($proc->{user}), ", |
170
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"GID: $proc->{gid} ($proc->{group})\n", |
171
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"Resource usage: ", |
172
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"user: $rsrc->{utime_self} sec (+$rsrc->{utime_chld} sec), ", |
173
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"system: $rsrc->{stime_self} sec (+$rsrc->{stime_chld} sec)\n", |
174
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"Sessions: $stats->{general}{poe}{sessions} total, ", |
175
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"Handles: $stats->{general}{poe}{handles} total, ", |
176
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"Loop: $stats->{general}{poe}{loop}\n\n"; |
177
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178
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print BOLD " Sessions", $/; |
179
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printf $session_head, @session_cols; |
180
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printf $session_row, |
181
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$_->{id}, human_size( $_->{memory_size} ), $_->{refcount}, |
182
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$_->{events_to}, $_->{events_from}, $_->{aliases} |
183
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for @{$stats->{sessions}}; |
184
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185
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print $/; |
186
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187
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print BOLD " Events", $/; |
188
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printf $event_head, @event_cols; |
189
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printf $event_row, |
190
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$_->{id}, $_->{type}, $_->{priority}, |
191
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$_->{source}, $_->{destination}, $_->{name} |
192
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for @{$stats->{events}}; |
193
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194
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print $/; |
195
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} |
196
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197
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198
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# |
199
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# human_size() |
200
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# ---------- |
201
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sub human_size { |
202
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my ($size) = @_; |
203
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204
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return $size if $size < 100_000; |
205
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206
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my $unit; |
207
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for (qw< K M G >) { |
208
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$size = int($size / 1024); |
209
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$unit = $_; |
210
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last if $size < 1024; |
211
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} |
212
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213
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return $size.$unit; |
214
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} |
215
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216
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217
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# |
218
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# store() |
219
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# ----- |
220
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sub store { |
221
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my ($kernel, $heap, $stats) = @_[ KERNEL, HEAP, ARG0 ]; |
222
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223
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if ($heap->{dump_as} eq "yaml") { |
224
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if (eval "require YAML; 1") { |
225
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YAML::DumpFile($heap->{dump_to}, $stats); |
226
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return |
227
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} |
228
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else { |
229
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|
$heap->{dump_as} = "native"; |
230
|
|
|
|
|
|
|
$heap->{dump_to} =~ s/\.ya?ml$/.dmp/; |
231
|
|
|
|
|
|
|
carp "warning: YAML not available. Defaulting to native format." |
232
|
|
|
|
|
|
|
} |
233
|
|
|
|
|
|
|
} |
234
|
|
|
|
|
|
|
|
235
|
|
|
|
|
|
|
if ($heap->{dump_as} eq "native") { |
236
|
|
|
|
|
|
|
if (eval "require Storable; 1") { |
237
|
|
|
|
|
|
|
Storable::nstore($stats, $heap->{dump_to}); |
238
|
|
|
|
|
|
|
return |
239
|
|
|
|
|
|
|
} |
240
|
|
|
|
|
|
|
else { |
241
|
|
|
|
|
|
|
croak "fatal: Can't load Storable: $@" |
242
|
|
|
|
|
|
|
} |
243
|
|
|
|
|
|
|
} |
244
|
|
|
|
|
|
|
} |
245
|
|
|
|
|
|
|
|
246
|
|
|
|
|
|
|
|
247
|
|
|
|
|
|
|
__PACKAGE__ |
248
|
|
|
|
|
|
|
|
249
|
|
|
|
|
|
|
__END__ |