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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 Sun, 16 Aug 2009 08:19:48 GMT
Hi Regis,
On Thu, Aug 13, 2009 at 1:27 PM, Regis <xu.regis@gmail.com> wrote:

> Daniel Gong wrote:
>
>> I also encountered the Ubuntu "permission denied" problem...
>> I think handling this kind of problem is the user's responsibility.
>>
>
> But it'll break build script. When we are testing it, we are using it, it's
> our responsibility to make it work.
>
> Simply adding
>
> <chmod file="${target.dir}/bin/java" perm="+x"/>
>

Since adding this is a small change, should I upload a new version to JIRA?

Besides, I am wondering what else should I do for GSoC?

-Daniel

> after generating jre can make it work on Linux.
>
>
>
>> Thank you very much, Regis.
>>
>> -Daniel
>>
>> On Thu, Aug 13, 2009 at 10:36 AM, Regis <xu.regis@gmail.com> wrote:
>>
>>  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.
>>>
>>>
>>
>
> --
> Best Regards,
> Regis.
>

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