[ltt-dev] performance results I measured with the latest lttng patches

[Michael Rubin]

On Wed, Sep 24, 2008 at 1:33 PM, Mathieu Desnoyers
<compudj at krystal.dyndns.org> wrote:
> I would say I tend to expect something around the lines of 5%
> performance impact on a flight-recorder mode trace. The current LTTng
> might suffer from TLB entries trashing because it uses vmap'd memory,
> something that should be looked at.

OK. For our first deliverable that is a good goal for us. After we
stabilize it internally amidst our other things we might be able to
help lower that even more.

As always thanks for the quick replies.

mrubin