RFR: 8297173: usageTicks and totalTicks should be volatile to ensure that different threads get the latest ticks

[duke]

On Thu, 17 Nov 2022 06:28:37 GMT, Poison <duke at openjdk.org> wrote:

> As the title says, add the volatile modifier.

@tianshuang 
Your change (at version dd4599661ab209ef1a77c36be066a2af61304156) is now ready to be sponsored by a Committer.

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PR Comment: https://git.openjdk.org/jdk/pull/11199#issuecomment-1318340110