I am also interested in knowing what one can do there. I have read that
J9 has some extensions that enables a granular control of resources
(memory, CPU) at the bundle level and ProSyst folks have some management
tools around that but that is the only JRE that I have heard whcih has
that kind of capability, and of course that is not a universal feature
of JREs so won't help most people.
On 2/19/2010 10:40 AM, Clifford H. James wrote:
I had wondered the same thing and at the time of my search all I found
was that thesis project that you mentioned below. Let me know if you
find anything because this is an area that I think needs some
attention (perhaps from the OSGi Alliance people in an upcoming spec?)
but I'm not sure if the "ThreadPool per bundle" that the author took
doesn't create more troubles than it's worth -- it certainly isn't an
unintrusive way to monitor bundle resource consumption.
~Cliff
Nima Kaviani wrote:
Hi all,
I wonder if anybody knows of any profiling library / API that would
allow me
to monitor the CPU and memory usages at a bundle level of granularity?
I have already looked into JProfiler, but there are two problems with
JProfiler. It is not a free tool, and also its profiling happens the
level
of objects and packages (the second issue could have been resolved if I
could play around with the source code of course). I also found this
thesis
(http://www.vtt.fi/inf/pdf/publications/2008/P685.pdf) which takes a
rather
intrusive approach in modifying the internals of an osgi framework in
order
to support resource monitoring and profiling. Any help along this
line is
very much appreciated.
thanks,
-Nima
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