RFR: Prototype AOTMXBean

[Mat Carter]

On Thu, 3 Apr 2025 18:08:59 GMT, Ioi Lam <iklam 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();
>
> For a test case, I think you can make a copy of the following test case, but modify the MyTestApp to call the MX Bean instead. 
> 
> https://github.com/openjdk/leyden/blob/premain/test/hotspot/jtreg/runtime/cds/appcds/leyden/EndTrainingOnMethodEntry.java

@iklam - added test, as well as testing it stops training, it also tests that all bean methods work as expected in the various aot modes

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PR Comment: https://git.openjdk.org/leyden/pull/52#issuecomment-2811345223