Re: [RFC PATCH 1/4] kmemtrace: Core implementation.

["Frank Ch. Eigler" <fche@redhat.com>]

Hi -


On Wed, Jul 23, 2008 at 03:50:02AM +0300, Eduard - Gabriel Munteanu wrote:

> [...]  Sounds like a good idea, but I'd like to get rid of markers
> and use Mathieu Desnoyers' tracepoints instead. I'm just waiting for
> tracepoints to get closer to inclusion in mainline/-mm.

OK.

> It would be great if tracepoints completely replaced markers, so
> SystemTap would use those instead.

Raw tracepoints are problematic as they require a per-tracepoint C
function signature to be synthesized by the tool (or hard-coded in the
tool or elsewhere).  We haven't worked out how best do to this.  OTOH,
markers don't require such hard-coding, so are simpler for a general
tool to interface to.


> However, if tracepoints are not ready when kmemtrace is to be merged,
> I'll take your advice and mention markers and SystemTap.

Thanks either way - I'm glad you found an existing tracing mechanism
usable and didn't choose/need to invent your own.


- FChE