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Getting started with TPTP [message #115516] Mon, 15 October 2007 15:38 Go to next message
Eclipse UserFriend
Originally posted by: agardner.docscience.com

Hi! We have a large J2EE application developed with Eclipse 3.2.1.
Although the app runs in many environments, my dev environment is WinXP
with Weblogic 8.1 and DB2 8.1.

Hoping to get a better handle on performance bottlenecks, I recently
downloaded the TPTP 4.3.1 runtime. Although "Start the server in
profiling mode" is still greyed out, I can get some results by (1) adding
-XrunpiAgent:server=enabled to the jvm paratmeters in my Weblogic start
script, and then (2) creating a new Attach - Java Process profile. I can
select Local Direct Connection, with the Agent Controller not running, and
a process appears in the Agents tab.

The issue for me is how to get the kind of information I'm looking for. I
run a transaction that takes over 1 minute, and look at Execution Time
analysis. I see a "top 10" listing, but none of them amounts to a hill of
beans, in execution time terms. If I select the cumulative time column, I
just see a reordering of the same 10 items.

How can I view the methods that account for the most time, including time
spent in all the methods they invoke?

Art Gardner
Re: Getting started with TPTP [message #115542 is a reply to message #115516] Mon, 15 October 2007 17:33 Go to previous message
Eclipse UserFriend
Originally posted by: agardner.docscience.com

I need to add the observation that what I am seeing may not just be about
how to present the results. I've also noticed that the transaction never
completes. Things go more and more slowly, ending in some timeout. So
it's possible that the real problem is that only a small part of the
transaction is successfully executed and sampled.
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