Withdrawn: 8277930: Add unsafe allocation event to jfr

[duke]

On Mon, 29 Nov 2021 12:06:02 GMT, xpbob <duke at openjdk.java.net> wrote:

> Unsafe is used in many Java frameworks.
> When the framework has a unsafe memory leak , there is no way to know what code is causing it.
> Add unsafe allocation event to jfr.
> Records the size and stack allocated.
> This event is off by default

This pull request has been closed without being integrated.

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PR: https://git.openjdk.java.net/jdk/pull/6591