Sebastian Kuzminsky wrote:
> Maybe lstopo should expand its cpuset to be fully inclusive at startup? I'll
> be happy to test patches if you want.
Brice Goglin, le Thu 11 Oct 2012 18:13:53 +0200, a écrit :
> Is the cpuset-modification a root-only operation on FreeBSD? If so lstopo
> wouldn't be able to expand the cpuset at startup.
> lstopo has a --whole-system option to ignore such limitations. Unfortunately
> the x86 backend that hwloc uses on FreeBSD requires that we bind to each
> individual core to get its locality information, so that won't help unless
> lstopo can indeed remove the cpuset first.
Indeed. Also, we probably want to save the current cpuset before
modifying it, in order to be able to restore it. I don't think we want
to see libhwloc drop the current cpuset, even if only under whole-system