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From Egor Pasko <egor.pa...@gmail.com>
Subject Re: some question about drlvm
Date Wed, 09 Aug 2006 09:21:28 GMT
On the 0x1C0 day of Apache Harmony Alexey Varlamov wrote:
> 09 Aug 2006 11:49:35 +0700, Egor Pasko <egor.pasko@gmail.com>:
> > Hi,
> >
> > sorry for my being sooo late. Busy as always. I am tryin try to be faster :)
> >
> > On the 0x1BA day of Apache Harmony ustczz@gmail.com wrote:
> > > I am sorry so late to reply.
> > > en, i use command
> > > EM: compile start:[JET n=1816]
> > > java/util/Hashtable::elements()Ljava/util/Enumeration;
> > > EM: compile start:[JET n=1817] java/lang/EMThreadSupport::shutdown()V
> > > EM: compile done:[JET n=1817: OK] java/lang/EMThreadSupport::shutdown()V
> > > EM: compile done:[JET n=1816: OK]
> > > java/util/Hashtable::elements()Ljava/util/Enumeration;
> > > EM: compile start:[JET n=1818]
> > > java/util/Hashtable$HashEnumerator::<init>(Ljava/util/Hashtable;Z)V
> > > EM: compile done:[JET n=1818: OK]
> > > java/util/Hashtable$HashEnumerator::<init>(Ljava/util/Hashtable;Z)V
> > > EM: compile start:[JET n=1819]
> > > java/util/Hashtable$HashEnumerator::hasMoreElements()Z
> > > EM: compile done:[JET n=1819: OK]
> > > java/util/Hashtable$HashEnumerator::hasMoreElements()Z
> > > EM: compile start:[JET n=1820]
> > > java/util/Hashtable$HashEnumerator::nextElement()Ljava/lang/Object;
> > > EM: compile done:[JET n=1820: OK]
> > > java/util/Hashtable$HashEnumerator::nextElement()Ljava/lang/Object;
> > >  EM: compile start:[JET n=1821] java/util/zip/ZipFile::close()V
> > >  EM: compile done:[JET n=1821: OK] java/util/zip/ZipFile::close()V
> > >  EM: compile start:[JET n=1822] java/util/Vector::removeAllElements()V
> > >  EM: compile done:[JET n=1822: OK] java/util/Vector::removeAllElements()V
> > >  EM: compile start:[JET n=1823] java/lang/VMExecutionEngine::exit(IZ)V
> > >  EM: compile done:[JET n=1823: OK]
> > > java/lang/VMExecutionEngine::exit(IZ)V
> > >
> > > is the last method to be compiled.
> >
> > Thanks for investigation!
> >
> > Looks like your app hangs just before the VM exit. That's a strange
> > problem I've never seen before. Possibly, it is easy to reduce the app
> > into a quite small piece of code that hangs in the same way. Then I
> > could reproduce it on my machine...
> >
> > Does it look like a happy doing?
> >
> > Otherwise, I see no obvious ways to investigate further :(
> >
> 
> Well, as a last resort, we could try to look at total trace log, not EM only.
> 
> Zouqiong,
> 
> Could you please try with the following options:
> 
> 1) -Xint -Xcategory -Xthread Xtrace:root:int.log
> 2) -Xcategory -Xthread -Xtrace:root:jit.log

I love the options :)
And.. you can put "-Xem opt" and "-Xem jet" here as usual

-- 
Egor Pasko, Intel Managed Runtime Division


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