RFR for JDK-7027502: Test failures in demo/jvmti/hprof testcases, need to be othervm
Tristan Yan
tristan.yan at oracle.com
Tue Jan 7 10:36:39 UTC 2014
Hi David
You're totally right. Sorry I ask you review it again.
http://cr.openjdk.java.net/~tyan/JDK-7027502/webrev.02/
Thank you very much.
Tristan
On 01/07/2014 05:18 PM, David Holmes wrote:
> On 7/01/2014 6:16 PM, Tristan Yan wrote:
>> Thank you, David
>> I fixed copyright and change back sleep.
>> println was intended to be left in. This test was failed with timeout,
>> printf could help us to detect the value of total_turns_taken and
>> expected_turns_taken.
>> Please review it again
>>
>> http://cr.openjdk.java.net/~tyan/JDK-7027502/webrev.01/
>
> Comma after 2014 still missing in copyright.
>
> You need to read total_turns_taken.get() once and use that value in
> both the println and the == test, so that you print the value you
> actually tested.
>
> David
>
>> Regards
>> Tristan
>>
>> On 01/07/2014 03:10 PM, David Holmes wrote:
>>> Hi Tristan,
>>>
>>> On 7/01/2014 4:43 PM, Tristan Yan wrote:
>>>> Hi All
>>>> Please help to review the code change for JDK-7027502.
>>>>
>>>> http://cr.openjdk.java.net/~tyan/JDK-7027502/
>>>>
>>>> Description:
>>>> This test was failed in JPRT test but recently we test with same
>>>> binaries run, it doesn't fail any more. The intention for this code
>>>> change is bringing this test back to normal test and make this test
>>>> robust and more informative. Change includes
>>>> 1. Remove this test from ProblemList.
>>>> 2. Change static member total_turns_taken into a local variable.
>>>>
>>>> Please let me know your comment on this.
>>>
>>> 2 * Copyright (c) 2004,2014 Oracle and/or its affiliates. All
>>> rights reserved.
>>>
>>> Correct copyright format should have a space before 2014 and a comma
>>> after:
>>>
>>> * Copyright (c) 2004, 2014, Oracle and/or its affiliates. All rights
>>> reserved.
>>>
>>> ---
>>>
>>> Was this println intended to be left in?
>>>
>>> 114 System.out.println("total_turns_taken =" +
>>> total_turns_taken +
>>> 115 ";expected_turns_taken =" +
>>> expected_turns_taken);
>>> 116 if ( total_turns_taken.get() ==
>>> expected_turns_taken ) {
>>>
>>>
>>> You only want to read total_turns_taken once otherwise you may see
>>> misleading print outs.
>>>
>>> ---
>>>
>>> 119 /* Create some monitor contention by sleeping with
>>> lock */
>>> 120 if ( default_contention_sleep > 0 ) {
>>> 121 System.out.println("Context sleeping, to
>>> create contention");
>>> 122 try {
>>> 123 turn.wait((long)
>>> default_contention_sleep);
>>> 124 } catch (InterruptedException ignore) { }
>>> 125 }
>>>
>>> By changing the Thread.sleep to turn.wait you no longer introduce any
>>> contention as the wait() will release the monitor.
>>>
>>> David
>>>
>>>> Thank you.
>>>> Tristan
>>
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