RFR: 8185525: [Event Request] Add Tracing event for DictionarySizes

[gerard ziemski]

Thank you Erik!

I changed the bug title (as well as my other JFR event bug title)


cheers

On 5/2/19 12:47 PM, Erik Gahlin wrote:
> Looks good.
>
> Since the tracing framework has been replaced with JFR and there is a 
> JIRA tag for "jfr-event-request", we could perhaps remove "[Event 
> Request]" and replace "tracing" with "JFR" in the bug title.
>
> Thanks
> Erik
>
>> hi all,
>>
>> Please review this, hopefully final, fix. After some offline 
>> discussion, we agreed to:
>>
>> #1 Keep the rate attributes (can't synthesize otherwise because we 
>> don't track additions/deletions on their own)
>>
>> #2 Use data from last event if we can't lock a table (fulfills JFR 
>> contract in which we need to deliver event at specified period)
>>
>> Bug:     https://bugs.openjdk.java.net/browse/JDK-8185525
>> Webrev:  http://cr.openjdk.java.net/~gziemski/8185525_rev9
>> Testing: Mach5 tier1,2,3 (another Mach5 tier1,2,3,4,5,6,7 in progress…)
>>
>> cheers
>
>