bin/tails-persistence-setup

   1 #!/usr/bin/perl
   2
   3 =head1 NAME
   4
   5 tails-persistence-setup - setup Tails persistent storage
   6
   7 =head1 VERSION
   8
   9 Version 2.0.1
  10
  11 =cut
  12
  13 use strictures 2;
  14 use 5.10.1;
  15
  16 our $VERSION = '2.0.1';
  17
  18 use FindBin;
  19 use lib "$FindBin::Bin/../lib";
  20
  21 my $mu;
  22 sub record_memory_usage { 1 }
  23 sub report_memory_usage { 1 }
  24
  25 my @options;
  26
  27 BEGIN {
  28     if (exists $ENV{REPORT_MEMORY_USAGE}
  29             && defined $ENV{REPORT_MEMORY_USAGE}
  30             && $ENV{REPORT_MEMORY_USAGE}) {
  31         require Memory::Usage;
  32         $mu = Memory::Usage->new();
  33         no warnings 'redefine';
  34         *record_memory_usage = sub { $mu->record(shift) };
  35         *report_memory_usage = sub { $mu->dump() };
  36         push @options, ('memory_usage' => $mu);
  37         say STDERR "Enabled memory usage reporting";
  38     }
  39 }
  40
  41 $SIG{'INT'}  = $SIG{'TERM'} = sub { report_memory_usage(); exit(0); };
  42 $SIG{'USR1'} = sub { report_memory_usage(); };
  43
  44 record_memory_usage('before loading Tails::Persistence::Setup');
  45 use Tails::Persistence::Setup;
  46 record_memory_usage('after loading Tails::Persistence::Setup');
  47
  48 Tails::Persistence::Setup->new_with_options()->run;
  49 record_memory_usage('after Tails::Persistence::Setup->run is done');
  50
  51 report_memory_usage();