RFR (not as big as it looks) 8184994: Add Dictionary size logging and jcmd

[Aleksey Shipilev]

On 08/01/2017 07:32 PM, coleen.phillimore at oracle.com wrote:
> open webrev at http://cr.openjdk.java.net/~coleenp/8184994.02/webrev

Looks good to me, except for print("\n")-s in PlaceholderEntry::print_entry.

-Aleksey