source: vendor/3.6.0/script/show_test_time

#!/usr/bin/env perl
#
use strict;
my %h;
open(FH, "subunit-ls --times --no-passthrough|") || die "pb with subunit-ls";
while(<FH>)
{
        chomp();
        my @l = split(/ /);
        my $val = @l[scalar(@l)-1];
        $h{join(' ',@l)} = $val;
}

my @sorted = sort { $h{$b}<=>$h{$a} } keys(%h);
use Data::Dumper;
foreach my $l (@sorted)
{
        print "$l\n";
}