For JVM performance tuning, I run Harmony as a common C application in Vtune, not as a Java application.
Are you having to run Harmony in Linux? I had less experience with Vtune in Linux. But it works perfectly in Windows. Will you try running in Windows? Thanks, xiaofeng 2009/11/9 johnnylj98 <johnnyl...@gmail.com>: > Hi Xiao Feng, > Thanks for your help. I found Intel VTune use JVMTI to profile the > application if you specify your application as java program. So that it still > won't work in my case because I don't use the IR generated from bytecode. > But if I specify the java program as a linux excutable application, all I got > are hot modules. When I try to see the hot methods in a module, VTune > collapse. > Thanks a lot. > > 2009-11-09 > > > > johnnylj98 > > > > 发件人： Xiao-Feng Li > 发送时间： 2009-11-09 10:04:14 > 收件人： dev > 抄送： > 主题： Re: Re: Re: [drlvm]Is there any JVM profiler tool for Harmony tunning > > Please build Harmony in debug mode, that will give you the symbols for > analysis. > Personally I do not see any special in using Vtune with Harmony than > with another applications. > Thanks, > xiaofeng > On Fri, Nov 6, 2009 at 2:30 PM, johnnylj98 <johnnyl...@gmail.com> wrote: >> Hi, Xiao-Feng Li >> >> Thanks for your help. I tried VTune according to your suggestion. I can >> trace the threads and modules in running of java, but every time I click >> hotspot tag for a specific module VTune goes out of response. >> Is there anything special I should care about when I use VTune to tune >> Harmony? >> >> Thanks a lot. >> >> >> 2009-11-06 >> >> >> >> johnnylj98 >> >> >> >> 发件人： Xiao-Feng Li >> 发送时间： 2009-11-04 21:50:54 >> 收件人： dev >> 抄送： >> 主题： Re: Re: [drlvm]Is there any JVM profiler tool for Harmony tunning >> >> Intel Vtune is intensively used in my performance tuning work. >> Thanks, >> xiaofeng >> On Wed, Nov 4, 2009 at 9:44 AM, johnnylj98 <johnnyl...@gmail.com> wrote: >>> Thanks a lot. Perhaps we will make some LIR instrumentation to analyze the >>> run time of a method. >>> >>> >>> 2009-11-04 >>> >>> >>> >>> johnnylj98 >>> >>> >>> >>> 发件人： Alexei Fedotov >>> 发送时间： 2009-11-02 21:52:51 >>> 收件人： dev >>> 抄送： >>> 主题： Re: [drlvm]Is there any JVM profiler tool for Harmony tunning >>> >>> Hello Johny, >>> You can take a look here [1] for custom JVMTI agents. >>> [1] https://issues.apache.org/jira/browse/HARMONY-5514 >>> On Sun, Nov 1, 2009 at 7:57 AM, johnnylj98 <johnnyl...@gmail.com> wrote: >>>> Hi all, >>>> I'm tunning a benchmark for Harmony but Jprofiler seems doesn't support >>>> Harmony JRE. So is there some JVM profiler tool available for Harmony JRE? >>>> Thanks a lot. >>>> >>>> 2009-11-01 >>>> >>>> >>>> >>>> johnnylj98 >>>> >>> -- >>> With best regards / с наилучшими пожеланиями, >>> Alexei Fedotov / Алексей Федотов, >>> http://www.telecom-express.ru/ >>> http://harmony.apache.org/ >>> http://www.expressaas.com/ >>> http://openmeetings.googlecode.com/ >>> >> -- >> http://people.apache.org/~xli >> > -- > http://people.apache.org/~xli > -- http://people.apache.org/~xli
