RFR - [RFE] JDK-8007141 : Introduce Dynamic MBean exposing the perf counters

[David Holmes]

Hi Harsha,

Not a review :)

On 27/02/2017 2:50 AM, Harsha Wardhana B wrote:
> Hi All,
>
> Please review the below RFE,
>
> JDK-8007141 <http://JDK-8007141> : Introduce Dynamic MBean exposing the
> perf counters.

What perf counters are these and where/how are they currently documented?

They may be affected by the UsePerfData VM flag (which some/most of the 
management code seems to be ignorant of).

Thanks,
David
-----

> with webrev at,
>
> http://cr.openjdk.java.net/~hb/8007141/webrev.00/
>
> Appreciate if I can get inputs for below.
>
> 1. Location of HotSpotPerfCounterMBean. It is located at
> src/jdk.management/share/classes/com/sun/management/internal. It can be
> moved to src/jdk.management/share/classes/com/sun/management if required.
>
> 2. Javadoc comments for HotSpotPerfCounterMBean. Not sure if it is adequate.
>
> 3. Description for each attribute of MBean. I am using  getUnits(),
> getVariability(), and getFlags() for description. I am not sure if that
> is the right description. Appreciate inputs from someone who knows perf
> counters well.
>
> Thanks
>
> Harsha
>
>