RFR 13 (S): 8196347: LogCompilation: generate log file on the fly for input to junits

Eric Caspole eric.caspole at oracle.com
Wed Jan 2 23:27:48 UTC 2019

On 1/2/19 17:36, Eric Caspole wrote:
> Hi Vladimir,
> OK I will experiment with those and let you know.
> Thanks,
> Eric

You are right, running with no -version produces more compilations, the 
log file is about 40% bigger. -Xbatch was sort of a wash. So I added 
combos of each since these are short running and will give more coverage.

New one:

> On 1/2/19 17:28, Vladimir Kozlov wrote:
>> Hi Eric,
>> May be add -Xbatch (-XX:-BackgroundCompilation) to make sure 
>> compilation and log is complete before execution is finished. Also I 
>> think with -version much less methods are compiled than without it 
>> when 'java' help output is printed by running without arguments.
>> Thanks,
>> Vladimir
>> On 1/2/19 2:08 PM, Eric Caspole wrote:
>>> Hi everybody,
>>> Could I have reviews on this change to add setup methods to produce 
>>> the test +LogCompilation files on the fly, so we can test the output 
>>> of the JDK in the repo by adding it into the PATH etc, instead of 
>>> reading static files. Also, this changeset removes several large 
>>> static input files that did not have any special significance. Tested 
>>> and builds with JDK 8 and 13. Nothing prevents adding back useful 
>>> static log test files later, because it is hard to reproduce some 
>>> constructs on the fly.
>>> Thanks,
>>> Eric
>>> JBS:
>>> https://bugs.openjdk.java.net/browse/JDK-8196347
>>> webrev:
>>> http://cr.openjdk.java.net/~ecaspole/JDK-8196347/01/webrev/

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