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TPTP porting to embedded platforms [message #120857]

Tue, 15 January 2008 12:13

Eclipse User

Originally posted by: ck2329.mail.ru

Is porting to ARM or MIPS(both under Linux) of TPTP AgentController and
JVMTI Agent planned?

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Re: TPTP porting to embedded platforms [message #120882 is a reply to message #120857]

Tue, 15 January 2008 13:47

Eclipse User

Originally posted by: alexander.n.alexeev.intel.com

No, we don't have any plans to support this platforms by now.

Thanks,
Alex.

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Re: TPTP porting to embedded platforms [message #120996 is a reply to message #120882]

Thu, 17 January 2008 09:04

Eclipse User

Originally posted by: ck2329.mail.ru

Is there anyone who tried to port TPTP JVMTI agent and agent controller to
ARM or MIPS platforms?

Q to TPTP contributors : what is your estimation about agent and agent
controller dependencies on CPU type - how many files are CPU-dependent ?

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Re: TPTP porting to embedded platforms [message #121069 is a reply to message #120996]

Sun, 20 January 2008 09:28

Asaf Yaffe

Messages: 333
Registered: July 2009

Senior Member

Andrew V. Novoselsky wrote:
> Is there anyone who tried to port TPTP JVMTI agent and agent controller
> to ARM or MIPS platforms?
>
> Q to TPTP contributors : what is your estimation about agent and agent
> controller dependencies on CPU type - how many files are CPU-dependent ?

With regard to the profiler Agent and runtime libraries (CGProf,
HeapProf, ThreadProf, JPIAgent, JPI, JPIBootLoader, etc), the majority
of the code is "pure" C++ and depends on JVMTI and JNI. Most of the
OS/Architecture-specific code is encapsulated in an OS Abstraction
Library (MartiniOSA.DLL).

Porting this code to another platform largely depends on whether you
have a JVM for this platform that fully supports JVMTI and JNI.

If you have any specific questions on these components, feel free to
post them here and I'll do my best to answer.

HTH,
Asaf

--
Asaf Yaffe
Eclipse TPTP Committer, JVMTI Profiler

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Re: TPTP porting to embedded platforms [message #121087 is a reply to message #121069]

Sun, 20 January 2008 10:56

Eclipse User

Originally posted by: ck2329.mail.ru

First - thanks for your answers.

Now I'm checking files you mentioned.

But as i understood i need to have an ability of online profiling i need 2
parts running on target machine:
1) Agent Controller
2) JVMTI runtime libraries(JPIBootLoaadet, JPIAgent CGProf etc )

And AC has lot of dependencies on the OS layer( and some CPU dependent
code - inline aseembler for example) - am i right?

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Re: TPTP porting to embedded platforms [message #121096 is a reply to message #121069]

Sun, 20 January 2008 11:48

Eclipse User

Originally posted by: ck2329.mail.ru

According to architecture scheme found in
http://www.google.com/url?sa=t&ct=res&cd=4&url=h ttp%3A%2F%2F195.113.20.55%2Fteaching%2Fseminars%2F2007-04-18 -Bondari-Profiling.pdf&ei=WzKTR--uGZn2nQOe1JSHDg&usg =AFQjCNHViCbJZqVE3EgI0mpNe8bCcM0p0w&sig2=qZQscnMU4yuc9UU 3RMSRvA
There is dedicated channel for data transfer(Distribured Data Collection
Framework) - so according to this scheme there is a possiblity to have
remote profiling without porting Agent Controller - isnt it ?

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Re: TPTP porting to embedded platforms [message #121175 is a reply to message #121096]

Tue, 22 January 2008 07:39

Igor Alelekov

Messages: 139
Registered: July 2009

Senior Member

No, Agent Controller should be ported as well.
Agents and Agent Controller use named pipes for logging and control
messages exchange and shared memory for data transfer. This piece is
platform dependant.

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