RFR: 6967: Add Percentage Column w.r.t 'Profiling Samples' in Thread table [v2]

[Brice Dutheil]

On Mon, 21 Jun 2021 08:25:35 GMT, Guru Hb <ghb at openjdk.org> wrote:

>> Adding "Percentage" column in Thread table (JavaApplication View). which is helpful in knowing the ratio w.r.t "Profiling Samples"
>> JMC 5.x had the Percentage Column in "Hot threads" tab.
>
> Guru Hb has updated the pull request incrementally with one additional commit since the last revision:
> 
>   externalize Table column name and its description

Marked as reviewed by bric3 at github.com (no known OpenJDK username).

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PR: https://git.openjdk.java.net/jmc/pull/260