RFR[9u-dev]: 8153319: new test serviceability/tmtools/jstack/JstackThreadTest.java fails

[Dmitry Samersoff]

Cheleswer,

Some times ago I invented LingeredAppWithDeadlock for tests like this one.

Please take a look at:

 .../jdk/test/sun/tools/jstack/DeadlockDetectionTest.java
 .../hotspot/test/serviceability/sa/DeadlockDetectionTest.java

-Dmitry

On 2016-04-05 13:23, Cheleswer Sahu wrote:
> Hi,
> 
>  
> 
> Please review the code changes for
> https://bugs.openjdk.java.net/browse/JDK-8153319.
> 
>  
> 
> Webrev link: http://cr.openjdk.java.net/~csahu/8153319/
> 
>  
> 
>  
> 
> Bug Brief: Test is failing on some platforms.
> 
>  
> 
> Problem Identified:  Newly created child thread (NamedThread) is
> finished its execution before main thread calls “jstack”, which result
> in test failure.
> 
>  
> 
> Solution Proposed:  Set the child thread in sleep state for forever and
> make sure that “jstack “ tool always gets executed after ” NamedThread”
>  is started.
> 
>  
> 
>  
> 
> Regards,
> 
> Cheleswer
> 
>  
> 
>  
> 


-- 
Dmitry Samersoff
Oracle Java development team, Saint Petersburg, Russia
* I would love to change the world, but they won't give me the sources.