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 flag condition. Samuel