We have some Code Coverage results from JCov/JTreg!

[Rory O'Donnell]

On 19/01/2015 10:55, Martijn Verburg wrote:
> Hi all,
>
> John Oliver and Mani Sarkar spent some time on the most recent Adopt 
> OpenJDK hackday and managed to get what looks like to be meaningful 
> code coverage numbers for OpenJDK using the jcov/jtreg tools:
>
> Results for jdk9: http://sticky.uwcs.co.uk/jcov/
>
> ========Code Tools Dev========
>
> The configuration John used was as follows (is this the correct usage 
> pattern?):
>
> Build jdk images
> install jtreg with the jcov
>
> export the normal vars:
>
> ```
> export SOURCE_CODE=/home/joliver/workspace/jdk9/
> export JTREG_INSTALL=/home/joliver/workspace/jtreg
> export JT_HOME=$JTREG_INSTALL
> export JTREG_HOME=$JTREG_INSTALL
> export 
> PRODUCT_HOME=$SOURCE_CODE/build/linux-x86_64-normal-server-release/images/jdk 
>
> export JPRT_JTREG_HOME=${JT_HOME}
> export JPRT_JAVA_HOME=${PRODUCT_HOME}
> export JTREG_TIMEOUT_FACTOR=5
> export CONCURRENCY=8
> ```
>
> cd into jdk/test
>
> edit the Makefile and add the following:
>
> ```
> jdkroot=/home/joliver/workspace/jdk9/
>
> JTREG_TEST_OPTIONS += 
> -jcov/classes:$(jdkroot)/build/linux-x86_64-normal-server-release/jdk/modules/java.base
> JTREG_TEST_OPTIONS += 
> -jcov/source:$(jdkroot)/jdk/src/java.base/share/classes
> JTREG_TEST_OPTIONS += -jcov/include:*
> ```
>
> just before the line: # Make sure jtreg exists
>
> then just run "make test" inside the root
>
> =======Quality Discuss=======
Hi Martijn,

Posting the results on our wiki won't work, so I can provide a link to the
results. Let me know when  you have decided on the link locations.

Rgds,Rory
>
> Is this something that could be hosted by the quality group for the 
> major OpenJDK code lines (7u, 8u and jdk9)?
>
> If not then the Adoption Group can host it on one of their external 
> servers temporarily and we could link to that from the wiki(s)/project 
> page(s).
>
> Cheers,
> Martijn

-- 
Rgds,Rory O'Donnell
Quality Engineering Manager
Oracle EMEA , Dublin, Ireland