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From "Alexey Varlamov" <alexey.v.varla...@gmail.com>
Subject Re: some question about drlvm
Date Wed, 09 Aug 2006 06:07:18 GMT
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

Resulting files (int.log and jit.log) may be quite massive, just zip
them and attach to JIRA, please.

--
Alexey

> --
> Egor Pasko, Intel Managed Runtime Division
>
>
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