RFR: Prototype AOTMXBean

[Ioi Lam]

On Wed, 2 Apr 2025 23:17:30 GMT, Mat Carter <macarte at openjdk.org> wrote:

> /**
>       * Returns the string representing the current AOT mode of
>       * operation.
>       *
>       * @return the string representing the current AOT mode.
>       */
>      public String getMode();
> 
>      /**
>       * Tests if a recording is in progress.
>       *
>       * @return {@code true} if a recording is in progress; {@code false} otherwise.
>       */
>      public boolean isRecording();
> 
>      /**
>       * If a recording is in progress or has been completed, then returns the duration in milliseconds
>       *
>       * @return duration of the recording in milliseconds.
>       */
>      public long getRecordingDuration();
> 
>      /**
>       * If a recording is in progress, then stops the recording.
>       *
>       * @return {@code true} if a recording was stopped; {@code false} otherwise.
>       */
>      public boolean endRecording();

test/hotspot/jtreg/runtime/cds/appcds/leyden/EndTrainingWithAOTMXBean.java line 77:

> 75:         public String[] vmArgs(RunMode runMode) {
> 76:             return new String[] {
> 77:                 "-Xlog:cds+class=debug"

For completeness, I think we should add `"--add-modules=java.management"` to here.

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PR Review Comment: https://git.openjdk.org/leyden/pull/52#discussion_r2049634392