# Code that builds the structure
while ( my $line = <DATA> ) {
    chomp $line;
    
    if ( $line =~ m/^BS:\s+(\S+)/ ) {
        $result{$1} = { %queue };
        %queue = ();
    }
    else {
        my ( $name, $in_percent, $in_num, $out_percent, $out_num ) 
          = split m{ \(| / | of 1024 \| event | of 1024\)}, $line;

        $queue{$name} = {
            in_q_per  => $in_percent,
            in_q_num  => $in_num,
            out_q_per => $out_percent,
            out_q_num => $out_num,
        };
    }
}

##</code><code>##

# Resulting Data structure output
'111_DDD,' => {
                'AAA_AA2_DDD' => {
                       'in_q_per' => '0%',
                       'in_q_num' => '0%',
                       'out_q_per' => '0',
                       'out_q_num' => '0'
              },
                'AAA_AA1_DDD' => {
                       'in_q_per' => '0%',
                       'in_q_num' => '0%',
                       'out_q_per' => '0',
                       'out_q_num' => '0'
              },

              ...etc...


##</code><code>##

#MYSQL TABLE
BS       queue_name   in_q_per in_q_num  out_q_per out_q_num
------------------------------------------------------------
111_DDD  AAA_AA1_DDD    0%        0          0%         0
111_DDD  AAA_AA2_DDD    0%        0          0%         0
222_DDD  BBB_BB1_DDD    0%        0          0%         0
222_DDD  BBB_BB1_DDD    0%        0          0%         0
333_DDD  CCC_CC1_DDD    0%        0          0%         0
333_DDD  CCC_CC1_DDD    0%        0          0%         0

##</code><code>##

__DATA INPUT__
AAA_AA1_DDD (0% / 0 of 1024 | event 0% / 0 of 1024)
AAA_AA2_DDD (0% / 0 of 1024 | event 0% / 0 of 1024)
BS: 111_DDD, QE: QQQ_DDD (additionnal QE)
BBB_BB1_DDD (0% / 0 of 1024 | event 0% / 0 of 1024)
BBB_BB2_DDD (0% / 0 of 1024 | event 0% / 0 of 1024)
BS: 222_DDD, QE: QQQ_DDD (additionnal QE)
CCC_CC1_DDD (0% / 0 of 1024 | event 0% / 0 of 1024)
CCC_CC2_DDD (0% / 0 of 1024 | event 0% / 0 of 1024)
BS: 333_DDD, QE: QQQ_DDD (additionnal QE)