RFR: 8253030: ZGC: Change ZMarkCompleteTimeout unit to microseconds

[Kim Barrett]

On Thu, 10 Sep 2020 21:03:23 GMT, Per Lidén <pliden at openjdk.org> wrote:

> The ZMarkCompleteTimeout is currently specified in milliseconds, and its value is 1 (i.e. as low as it can be). In
> preparation for using a lower time out value than 1ms we should change the ZMarkCompleteTimeout unit to be
> microseconds, instead of milliseconds.

Change looks good.  But I wonder, why choose microseconds as the units?  That seems to be almost never used in HotSpot.

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PR: https://git.openjdk.java.net/jdk/pull/120