RFR: 8061281: Microbenchmark suite build support, directory layout and sample benchmarks

[Magnus Ihse Bursie]

On 2018-10-09 15:15, Claes Redestad wrote:
> Hi,
>
> please review the initial build support for JEP 230: Microbenchmark 
> Suite[1].
>
> Webrev: http://cr.openjdk.java.net/~redestad/8061281/jdk.00/
The build changes look good. (But I can't really review them as I wrote 
most of them :-))

As you say, we also need to update documentation, especially 
doc/testing.md, with the new micro test suite for run-test.

/Magnus
> Bug: https://bugs.openjdk.java.net/browse/JDK-8061281
>
> There are some added steps to be able to build the microbenchmark suite:
>
> export JMH_HOME=/path/to/jmh
> (mkdir -p $JMH_HOME; cd $JMH_HOME; bash 
> make/devkit/createJMHBundle.sh; tar -zxvf jmh-1.21.tar.gz)
> bash configure --with-jmh=$JMH_HOME
> make build-microbenchmark
>
> This produces the JMH benchmarks under 
> build/$CONF_NAME/images/test/micro/microbenchmarks.jar
>
> There is also support woven into the make run-test target (thanks to 
> Magnus), allowing for integrated build and test:
>
> make run-test TEST="micro:java.lang.reflect" MICRO="OPTIONS=-f 1 -wi 
> 2;RESULT_FORMAT=json"
>
> Remaining tasks before the JEP can be targetted is to write proper 
> documentation and deciding which microbenchmarks to migrate from
> jmh-jdk-microbenchmarks[2].
>
> Thanks!
>
> /Claes
>
> [1] http://openjdk.java.net/jeps/230
> [2] http://openjdk.java.net/projects/code-tools/jmh-jdk-microbenchmarks/