[8u] RFR 8186770: NMT: Report metadata information in NMT summary

[Zhengyu Gu]

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On 12/07/2017 10:40 AM, Zhengyu Gu wrote:
> Please review this 8u backport.
> 
> There are minor conflicts after file path changes.
> 
> --- virtualMemoryTracker.cpp
> +++ virtualMemoryTracker.cpp
> @@ -1,5 +1,5 @@
>   /*
> - * Copyright (c) 2013, 2016, Oracle and/or its affiliates. All rights 
> reserved.
> + * Copyright (c) 2013, 2017, Oracle and/or its affiliates. All rights 
> reserved.
>    * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
>    *
>    * This code is free software; you can redistribute it and/or modify it
> @@ -23,6 +23,7 @@
>    */
>   #include "precompiled.hpp"
> 
> +#include "memory/metaspace.hpp"
>   #include "runtime/atomic.hpp"
>   #include "runtime/os.hpp"
>   #include "runtime/threadCritical.hpp"
> 
> Bug: https://bugs.openjdk.java.net/browse/JDK-8186770
> Webrev: http://cr.openjdk.java.net/~zgu/8186770/webrev.8u.00/
> JDK10 code review: 
> http://mail.openjdk.java.net/pipermail/hotspot-runtime-dev/2017-September/024559.html 
> 
> 
> Thanks,
> 
> -Zhengyu
>