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Bug 50400 - Profiler does not work over invoke (Reflection)
Summary: Profiler does not work over invoke (Reflection)
Status: CLOSED FIXED
Alias: None
Product: profiler
Classification: Unclassified
Component: Base (show other bugs)
Version: 4.x
Hardware: PC Windows ME/2000
: P3 blocker (vote)
Assignee: mishadmitriev
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2004-10-14 08:46 UTC by tboerkel
Modified: 2007-02-20 18:20 UTC (History)
0 users

See Also:
Issue Type: DEFECT
Exception Reporter:

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Description tboerkel 2004-10-14 08:46:52 UTC 
If I profile a method and this method calls
another with invoke (over Reflection), then I do
not see this in the profiler call graph.

Using profiler M2, JDK 1.4.2_05.
Comment 1 mishadmitriev 2004-10-22 02:24:57 UTC 
It looks like the problem is not due to methods called via 
reflection, but rather due to some native calls that in turn call 
Java methods again. Our call graph revelation algorithm cannot 
determine (so far at least) what methods can be called by a native 
methods (because native code is much harder to parse/analyze than 
Java bytecodes), so it misses such calls, or registers only them only 
for those methods that have been instrumented for other reason. Total 
instrumentation scheme solves this problem.

I asked the user to confirm/comment on the above theory, but have not
received a reply yet.
Comment 2 mishadmitriev 2004-10-29 04:06:03 UTC 
Fixed, code will become available in Milestone 3 release due in the 
beginning of November.

The issue turned out to be related with reflection indeed. Thanks for 
finally providing a nice test case Thomas!
Comment 3 ehucka 2006-10-09 12:11:17 UTC 
Verification of old issues.
Comment 4 Alexander Kouznetsov 2007-02-12 22:55:11 UTC 
Closing old issues.
Comment 5 Alexander Kouznetsov 2007-02-20 18:20:31 UTC 
Reverting to the original Target Milestone value changed by mistake. Sorry for
inconvenience.