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From Daniel Gong <daniel.gong.fu...@gmail.com>
Subject Re: [GSOC] The code for smallest class set for customer application in now on JIRA
Date Mon, 10 Aug 2009 12:05:16 GMT
Another question: it seems I can delete the attachment of HARMONY-6291, is
it OK that I delete the old version of minjretoolkit?

On Mon, Aug 10, 2009 at 8:01 PM, Daniel Gong <daniel.gong.fudan@gmail.com>wrote:

> On Thu, Aug 6, 2009 at 10:55 AM, Regis <xu.regis@gmail.com> wrote:
>
>> Daniel Gong wrote:
>>
>>> Yes it is the problem of  the build file, I have correct it and  upload a
>>> new one:)
>>> To run it, you should modify the origin and target property in the build
>>> file to your origin jre path and the target min jre path.
>>> More, I have updated the description. Hope it will help you all and work
>>> well:)
>>>
>>> On Wed, Aug 5, 2009 at 4:40 PM, Regis <xu.regis@gmail.com> wrote:
>>>
>>>  Daniel Gong wrote:
>>>>
>>>>  Sorry, that's my fault. It seems I have put the wrong version of ant
>>>>> build...I will correct it and upload it again.
>>>>>
>>>>>  It seems not a problem of ant, when I removed takedef of "analyze" and
>>>> "gen", ant compile work correct, but ant test-hello (which only depends
>>>> on
>>>> compile), reported error again:
>>>>
>>>> C:\download\minijre\build.xml:56: Execute failed: java.io.IOException:
>>>> Cannot run program "${target}
>>>> \bin\java": CreateProcess error=2, The system cannot find the file
>>>> specified
>>>>
>>>> And I found ${target} is never defined, do you mean ${target.dir} here?
>>>> ${cns} ${origin} ${test} should also be ${cns.dir} ${origin.dir}
>>>> ${test.dir}
>>>>
>>>> After fixing these variables and copy Harmony JRE to "origin" dir, I can
>>>> run "ant test-hello" successfully. The target directory should be
>>>> minijre,
>>>> the size of "lib" is reduced from 40.1MB to 10.4MB, looks great!!
>>>>
>>>> I'm waiting Daniel's description, so didn't try the agent yet :)
>>>>
>>>>
>>>>
>>>>  On Wed, Aug 5, 2009 at 3:44 PM, Regis <xu.regis@gmail.com> wrote:
>>>>>
>>>>>  Daniel Gong wrote:
>>>>>
>>>>>>  Hi all,
>>>>>>
>>>>>>> I have my code attached in issue HARMONY-6291 on JIRA. I'd like
to
>>>>>>> call
>>>>>>> it
>>>>>>> MinJre Toolkit.
>>>>>>>
>>>>>>> Now the coding of MinJreToolkit is almost complete. It includes
>>>>>>> functional
>>>>>>> classes as well as command line tool and ant task implemented
based
>>>>>>> on
>>>>>>> them.
>>>>>>> More, for dynamic tracing, a jvmti agent has been implemented.
Both
>>>>>>> static
>>>>>>> analysis and dynamic tracing produce a type of result file called
cns
>>>>>>> (Class
>>>>>>> Name Set) file, which has an associated data structure called
>>>>>>> ClassNameSet
>>>>>>> that can be created from a cns file, witten to a cns file and
merged
>>>>>>> with
>>>>>>> a
>>>>>>> cns file. The cns file in the conf directory contains the required
>>>>>>> classes
>>>>>>> for different jre implementations. Now it only supports Harmony.
>>>>>>>
>>>>>>> The toolkit can be used in two steps. First, employ both static
>>>>>>> analyzer
>>>>>>> and
>>>>>>> dynamic tracer in the process of application development and
test,
>>>>>>> and
>>>>>>> record necessary information in several cns files. Second, employ
the
>>>>>>> jre
>>>>>>> generator to merge these cns files and generate a new jre from
an
>>>>>>> original
>>>>>>> one.
>>>>>>>
>>>>>>> So far I have written a simple ant build file to handle the whole
>>>>>>> process
>>>>>>> including compile, test, pack & javadoc. The compiling of
the agent
>>>>>>> is
>>>>>>> not
>>>>>>> in because I'm still learning ant usage. The test is also very
>>>>>>> simple,
>>>>>>> just
>>>>>>> a helloworld app:P
>>>>>>>
>>>>>>> I'll improve the toolkit by adding command line script, optimizing
>>>>>>> ant
>>>>>>> build, doing more test and improve the algorithm if a better
strategy
>>>>>>> is
>>>>>>> found.
>>>>>>>
>>>>>>> Everyone please feel free to give me advice or report bugs to
>>>>>>> me~thx:)
>>>>>>>
>>>>>>> Daniel Gong
>>>>>>>
>>>>>>>
>>>>>>>  Well done Daniel!
>>>>>>>
>>>>>> I'm trying to build the tool. I downloaded minjretoolkit.tar.gz from
>>>>>> HARMONY-6291, and extract it, then run "ant" or "ant compile", but
got
>>>>>> a
>>>>>> error:
>>>>>>
>>>>>> c:\download\minijre\build.xml:23: taskdef class
>>>>>> org.crazynut.harmony.minjre.anttask.AnalyzeDependenc
>>>>>> yTask cannot be found
>>>>>>
>>>>>> Did I miss anything?
>>>>>>
>>>>>> --
>>>>>> Best Regards,
>>>>>> Regis.
>>>>>>
>>>>>>
>>>>>>  --
>>>> Best Regards,
>>>> Regis.
>>>>
>>>>
>>>
>> I tried the new one, the build script worked fine for me. Following the
>> instructions on JIRA, I generated dynamic trace by agent and merged with
>> static one successfully, seems you have finished the core part of this tool,
>> well done!!
>>
>> While there are still places can be improved:
>
> Dear all,
>
> 1. add build scrip for native code, "ant compile" will compile both java
> and native.
>
> Done.
>
> 2. -agentlib:Agent=help print help info about how to use this agent. I you
> type java -agentlib:jdwp=help to see the example. The options of agent
> usually is name=value pattern, maybe something like: java
> -agentlib:Agent=tracefile=[filename]
>
> Done. Usage: java -agentlib:tracer=output=[filename]
>
> The zip file attached to HARMONY-6291 is the newest version of MinJre
> Toolkit.
>
> The ant build file can compile and test jvmti agent now.
>
> I have tested it under Windows XP SP3 & Ubuntu 9.04.
>
> The script directory is command line launcher for the analyzer and jregen,
> not implemented yet, but in my plan.
>
> Best Regards,
>
> Daniel Gong
>
> --
>> Best Regards,
>> Regis.
>>
>
>

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