[Bug 215077] bhyve should allow per-guest configuration of CPU socket/cores/threads

bugzilla-noreply at freebsd.org bugzilla-noreply at freebsd.org
Mon Dec 5 19:12:31 UTC 2016


https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=215077

            Bug ID: 215077
           Summary: bhyve should allow per-guest configuration of CPU
                    socket/cores/threads
           Product: Base System
           Version: CURRENT
          Hardware: amd64
                OS: Any
            Status: New
          Severity: Affects Many People
          Priority: ---
         Component: bin
          Assignee: freebsd-bugs at FreeBSD.org
          Reporter: grehan at FreeBSD.org
                CC: freebsd-amd64 at FreeBSD.org
                CC: freebsd-amd64 at FreeBSD.org

Windows desktop releases are generally restricted to 1 or 2 CPU sockets.

bhyve by default will assign configured vCPUs to a socket. This has the effect
of Windows desktops only seeing 1/2 vCPUs instead of the configured numbers.

While there is a workaround available to configure the number of cores/socket,
or threads/core, this is a global setting and applies to all guests, whereas it
need only be a on a per-guest basis.

(see http://docs.FreeBSD.org/cgi/mid.cgi?b26b6124-7ac6-0408-3016-f5678ad144d0
for more details)

This bug will track the modification of bhyve to allow the setting of these
values on a per-guest basis.

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