[dtrace-discuss] What am I missing in the dtrace script?

[Brian D. Horn]

Wee Yeh Tan wrote:
> On 7/13/07, Brian D. Horn <Brian.Horn at sun.com> wrote:
>> Ok, then the question becomes "Where is documented that aggregates are
>> MP safe, but scalars are
>> not MP safe?"
>
> Hah... I sort of saw that coming.  I recall seeing this somewhere
> though I cannot remember exactly where.  Didn't see it in Bryan's
> DTrace gotchas.
>
> Does this warrant a bug against the documentation?  Perhaps a note in
> the variables section saying that "Global variables are not MP safe."?
>
I don't know whether it is a bug or not yet.  I may have missed some
piece of documentation or seen old documentation.  It also begs the
question of "Why was it decided that scalars should not be MP safe?"
(assuming that is was decided as such!).