#for every module (using Foo::Bar as an example):
BEGIN {
    printf "use Foo::Bar at line %d \n", __LINE__;
}
use Foo::Bar;  # replace with actual module name
BEGIN {
    printf "Foo::Bar loaded OK\n";
}

 
# once for the whole script:
CHECK {
    use Data::Dumper;
    print Dumper \%INC;
}