On 05/04/2016 04:14, Alexey Dokuchaev wrote: > On Mon, Apr 04, 2016 at 04:09:29PM +0000, Andriy Gapon wrote: >> New Revision: 297558 >> URL: https://svnweb.freebsd.org/changeset/base/297558 >> >> Log: >> new x86 smp topology detection code >> >> Previously, the code determined a topology of processing units >> (hardware threads, cores, packages) and then deduced a cache topology >> using certain assumptions. The new code builds a topology that >> includes both processing units and caches using the information >> provided by the hardware. > > Good work! On a related note, would it make it easier/possible to start > thinking about if FreeBSD can export CPU cache information into userland?
Yes, this was somewhere in the long to-do list in the commit message :-) > Some applications want these bits... Linux exports them via sysconf(3), > back in 2003 bms@ proposed preliminary design [1] and suggested sysctl(3). > > ./danfe > > [1] > https://lists.freebsd.org/pipermail/freebsd-hackers/2003-October/003604.html > -- Andriy Gapon _______________________________________________ svn-src-head@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-head To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"
