[erlang-questions] SMP active?

[Rapsey]

If your test program only uses one process for the work that it does, erlang
will only use up one process on the machine.


Sergej

On Fri, Aug 6, 2010 at 6:49 PM, Gardell, Steven <sgardell@REDACTED>wrote:

> I am running Erlang on a 4 Core Dell machine:
>
> Linux xxx.sonusnet.com 2.6.9-55.ELsmp #1 SMP Fri Apr 20 16:36:54 EDT
> 2007 x86_64 x86_64 x86_64 GNU/Linux
>
> Erlang R13B04 (erts-5.7.5) [source] [64-bit] [smp:4:4] [rq:4]
> [async-threads:0] [hipe] [kernel-poll:false]
>
> When I run my Erlang program  (a Megaco test program), top shows only
> only one of the cores being used to any meaningful level. Something
> like (5%, 97%, 97%, 97%) idle. Push it harder and, not too surprisingly,
> it starts presenting errors. I have tried the -smp and -S options, but
> there is
> no change in behavior (which is consistent with documentation, since smp
> should
> be enabled by default).
>
> Suggestions? Thanks!
>