[ltt-dev] LTTng-UST vs SystemTap userspace tracing benchmarks

Josh Stone jistone at redhat.com
Thu Feb 17 14:47:11 EST 2011

On 02/17/2011 11:33 AM, Julien Desfossez wrote:
> Ok, my bad, I copied an older version of the test, when I setup the
> repository, its fixed now. It doesn't change the earlier results which
> was done with the mark, just the one I posted today.

Your original results were also using stap 1.2, which doesn't have the
NOP-singlestep optimization I described.  Please use our latest 1.4 for
the best comparison.  (and be sure the old uprobes.ko is unloaded)

> Ok, I will do these tests on the same machine and post the results soon.

Great, thanks.


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