[jbosstools-issues] [JBoss JIRA] (JBDS-2017) Investigate usage of Jacoco report file as Usage collector

[Mickael Istria (JIRA)]

    [ https://issues.jboss.org/browse/JBDS-2017?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12753617#comment-12753617 ] 

Mickael Istria commented on JBDS-2017:
--------------------------------------

An blog I wrote about a year ago: http://mickaelistria.wordpress.com/2012/03/13/the-ultimate-usage-report-in-your-java-application-a-jacoco-exec-file/

Having a plugin to enable/disable Jacoco that wouldn't be easy since:
* We cannot enable agent programmatically
* this require to restart the JVM to enable agent
It would require to tweak the config.ini.
                
> Investigate usage of Jacoco report file as Usage collector
> ----------------------------------------------------------
>
>                 Key: JBDS-2017
>                 URL: https://issues.jboss.org/browse/JBDS-2017
>             Project: Developer Studio (JBoss Developer Studio)
>          Issue Type: Feature Request
>      Security Level: Public(Everyone can see) 
>          Components: Build, P2 Enabled Product, Usage Reporting
>            Reporter: Mickael Istria
>            Assignee: Mickael Istria
>            Priority: Minor
>             Fix For: LATER
>
>         Attachments: usage.exec
>
>
> Using the jacoco java.agent is pretty simple to set up and generates a coverage report file without affecting performances.
> We could think about starting JBDS with this java.agent and consume the Jacoco report files to get "technical" usage report.
> Same could apply to JBoss tools by using p2 touchpoint to modify eclipse.ini when installing an IU: http://pweclipse.blogspot.com/2012/02/p2-can-update-your-eclipseini.html

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