[Ksummit-2008-discuss] DTrace

Ananth N Mavinakayanahalli ananth at in.ibm.com
Sat Jun 28 00:26:05 PDT 2008

On Fri, Jun 27, 2008 at 06:30:56PM +0200, Christoph Hellwig wrote:
> On Fri, Jun 27, 2008 at 12:18:22PM -0400, Josh Boyer wrote:
> > utrace (and uprobes) are supposed to enable that functionality in Linux
> > from my limited understanding.  
> utrace itself is just a kernel-level rework of the lowlevel bits behind
> ptrace, it won't help you anything at all right now.  uprobes is very
> basic infrastructure that in theory allows doing some kprobes-like
> probes on userspace processes.  It would be a building block to
> implement something like this, but in the current form is far from
> what's needed.

Right, it is a start though. We are awaiting utrace's acceptance upstream
after which we'll post the uprobes patches too.


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