RFR: 8315149: Add hsperf counters for CPU time of internal GC threads [v53]

[Stefan Johansson]

On Thu, 30 Nov 2023 02:45:45 GMT, Jonathan Joo <jjoo at openjdk.org> wrote:

>> 8315149: Add hsperf counters for CPU time of internal GC threads
>
> Jonathan Joo has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Add missing include

src/hotspot/share/runtime/cpuTimeCounters.cpp line 47:

> 45:       return "conc_dedup";
> 46:     default:
> 47:       ShouldNotReachHere();

My IDE complained and I guess depending on warning level we might need a return here.
Suggestion:

      ShouldNotReachHere();
      return "";

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PR Review Comment: https://git.openjdk.org/jdk/pull/15082#discussion_r1410454940