Reviewed-by: shade, stuefe, coleenp

Summary: NMT detail allocation site comparison should compare sites with the same memory type
Reviewed-by: shade, coleenp

Summary: Fixed memory leak in NMT by baselining memory in c heap instead of an arena.
Reviewed-by: coleenp, minqi

Summary: Enhance scalability of native memory tracking
Reviewed-by: coleenp, ctornqvi, gtriantafill

Summary: Some of qsort implementation on Linux x86 compares element to itself, which is  mistakenly treated as duplicate pointer
Reviewed-by: dcubed, acorn

Summary: Simple fix to add NULL pointer check that can cause segv
Reviewed-by: coleenp, ctornqvi

Reviewed-by: acorn, coleenp, sla
Contributed-by: NKaren Kinnear &lt;karen.kinnear@oracle.com&gt;, Bengt Rutisson &lt;bengt.rutisson@oracle.com&gt;, Calvin Cheung &lt;calvin.cheung@oracle.com&gt;, Erik Gahlin &lt;erik.gahlin@oracle.com&gt;, Erik Helin &lt;erik.helin@oracle.com&gt;, Jesper Wilhelmsson &lt;jesper.wilhelmsson@oracle.com&gt;, Keith McGuigan &lt;keith.mcguigan@oracle.com&gt;, Mattias Tobiasson &lt;mattias.tobiasson@oracle.com&gt;, Markus Gronlund &lt;markus.gronlund@oracle.com&gt;, Mikael Auno &lt;mikael.auno@oracle.com&gt;, Nils Eliasson &lt;nils.eliasson@oracle.com&gt;, Nils Loodin &lt;nils.loodin@oracle.com&gt;, Rickard Backman &lt;rickard.backman@oracle.com&gt;, Staffan Larsen &lt;staffan.larsen@oracle.com&gt;, Stefan Karlsson &lt;stefan.karlsson@oracle.com&gt;, Yekaterina Kantserova <yekaterina.kantserova@oracle.com>

Summary: Grab and drop SR_lock to get the thread to honor the safepoint protocol
Reviewed-by: dcubed, coleenp

Summary: Made NMT query safepoint aware.
Reviewed-by: dholmes, coleenp

Summary: Add WB API functions to enable better NMT testing
Reviewed-by: dholmes, zgu

Summary: Count number of instance classes so that it matches class metadata size
Reviewed-by: coleenp, acorn

Summary: Fixed NMT that miscounted arena memory when it is used as value or stack object.
Reviewed-by: acorn, coleenp

Summary: Enhanced virtual memory tracking to track committed regions as well as reserved regions, so NMT now can generate virtual memory map.
Reviewed-by: acorn, coleenp

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