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Re: JVM TI/PI integration

From: Andi Kleen <ak at suse dot de>
To: steve dot russell at ubs dot com
Cc: systemtap at sources dot redhat dot com
Date: 15 Jul 2005 18:37:25 +0200
Subject: Re: JVM TI/PI integration
References: <8F03C2180A353D44BC7774264CCC067102B9E321@nldn1871pex.ldn.swissbank.com>

<steve.russell@ubs.com> writes:

> Hello,
> 
> We've started testing some of the early system tap work (we're heavy users of one of those 'other' projects as well) and were wondering if anyone had banged together a JVM TI (http://java.sun.com/j2se/1.5.0/docs/guide/jvmti/) integration probe?  If so, we can provide some concrete feedback on effectiveness and usability in a number of different code/style environments.
> 

systemtap is kprobes based and kprobes doesn't do user space.

The older dprobes has support for user space instrumentation though
using special kernel patches. Unlike systemtap it also actually
already works reasonably well.

-Andi

Follow-Ups:
- Re: JVM TI/PI integration
  - From: Vara Prasad

References:
- JVM TI/PI integration
  - From: steve.russell

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