Add few more metrics about memory allocator
Add few more metrics about memory allocator

nazwa/gorelic,aniketawati/gorelic,yvasiyarov/gorelic,courtf/gorelic,zalora/gorelic,jordanshoebox/gorelic,layer123/gorelic-mirror,kgrvamsi/gorelic,rounds/gorelic,drobune/gorelic,earlonrails/gorelic,mruse/gorelic