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From Jin Mingjian <jin....@gmail.com>
Subject Re: [GSOC] The code for smallest class set for customer application in now on JIRA
Date Thu, 13 Aug 2009 04:10:07 GMT
good news!:)



2009/8/13 Regis <xu.regis@gmail.com>

>  Daniel Gong 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
>>
>>
> Hi Daniel,
>
> The new package on JIRA is good! I tried on Windows XP and Ubuntu 8.04.2,
> all worked fine except when trying to run generated java, it complained
> "Permission denied", after I added execution permission, it worked smoothly.
>
> I think it's time to integrate  Daniel's work to Harmony repository, so
> Daniel can work with community easily and closely, and also anyone
> interested on this could work on this. If no one object I'm going to apply
> HARMONY-6291 to [1].
>
>
> [1] https://svn.apache.org/repos/asf/harmony/enhanced/tools/trunk/minijre
>
> --
> Best Regards,
> Regis.
>

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