On 7/14/08, M. Edward (Ed) Borasky <znmeb / cesmail.net> wrote:
> Yugui (Yuki Sonoda) wrote:
>
> > * dtrace (1.9.2?)
> >
>
>  1. How is "dtrace" a Ruby feature? Is this the same "dtrace" that runs on
> Solaris and MacOS? That "dtrace" is an awesome tool, but as far as I know it
> is only available on Solaris and MacOS.
>

In order for DTrace to be optimally useful, the VM needs hooks that
report high-level operations back to DTrace (e.g. entering Ruby
method, returning from Ruby method).

Without that, you are DTracing C, not Ruby.