RFR (XS): 8007776: Test6852078.java timeouts

[David Chase]

http://cr.openjdk.java.net/~drchase/8007776/webrev.01/

Made changes, reran tests, rechecked early exit with extra iterations.

On 2013-02-26, at 12:01 PM, Vladimir Kozlov <vladimir.kozlov at oracle.com> wrote:

> David,
> 
> Can you do it as separate check inside loop with 'break;' with a comment? I think it would be easier to read the code such way.
> 
> Also you can remove /othervm since no flags are used?
> 
> Thanks,
> Vladimir
> 
> On 2/26/13 6:24 AM, David Chase wrote:
>> 
>> http://cr.openjdk.java.net/~drchase/8007776/webrev.00/
>> 
>> Bug: Test6852078.java contained a 2000-test-iteration loop for tickling a sometimes-bug,
>> that also sometimes timed out after as few as 130 iterations on some slower machines.
>> 
>> Fix: Inserted an early-out on the test-loop -- if more than 100 seconds and more than
>> 100 iterations have both passed, then exit is allowed.
>> 2000 iterations are still the norm on faster machines (e.g., on a modern Intel laptop it
>> takes 5 seconds to run).
>> 
>> Testing:
>> Jtreg, JPRT on that test.
>> Hand-tested the early-out logic by bumping the iteration count to 2 million; it exited after
>> a total test execution time of 100.5 seconds.
>>