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

[Erik Joelsson]

Note that if the AOT support goes in first, we probably want to extend 
that support to running micros as well.

/Erik

On 2018-10-18 08:58, Erik Joelsson wrote:
> Looks good to me.
>
> /Erik
>
>
> On 2018-10-17 15:08, Claes Redestad wrote:
>> Hi,
>>
>> added documentation of the new build targets, and synced up with 
>> recent changes (thanks Erik for help dealing with some tricky merge 
>> conflicts):
>>
>> http://cr.openjdk.java.net/~redestad/8061281/jdk.01/
>>
>> Thanks!
>>
>> /Claes
>>
>> 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/
>>> 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/
>>
>