Summary: Solaris only, record stack info to NMT after stack size adjustment was made for primordial threads
Reviewed-by: kvn, acorn, coleenp

7191124: Optimized build is broken due to inconsistent use of DEBUG_ONLY and NOT_PRODUCT macros in NMT
Summary: Updated all related variables and methods to use NOT_PRODUCT macros
Reviewed-by: coleenp, acorn, kvn

Summary: 1) Fixed MemTrackWorker::generations_in_used() calculation 2) Ensured NMT not to leak memory recorders after shutdown 3) Used ThreadCritical to block safepoint safe threads
Reviewed-by: acorn, coleenp, dholmes, kvn

Summary: Changed _query_lock to heap object from static object. Also fixed _query_lock and snapshot lock ranks, so they can participate deadlock detection.
Reviewed-by: coleenp, dholmes, kvn

Summary: Assertion on stack base is not necessary
Reviewed-by: coleenp, dholmes, kvn

7151532: DCmd for hotspot native memory tracking
Summary: Implementation of native memory tracking phase 1, which tracks VM native memory usage, and related DCmd
Reviewed-by: acorn, coleenp, fparain