Date: Thu, 22 Nov 2018 10:56:44 -0800 (PST) From: "Rodney W. Grimes" <freebsd-rwg@pdx.rh.CN85.dnsmgr.net> To: tech-lists <tech-lists@zyxst.net> Cc: freebsd-virtualization@freebsd.org Subject: Re: vmrun.sh - how to pin vcpu to realcpu? Message-ID: <201811221856.wAMIuiZ7078616@pdx.rh.CN85.dnsmgr.net> In-Reply-To: <20181122181737.GA24125@rpi3.zyxst.net>
next in thread | previous in thread | raw e-mail | index | archive | help
> Hi, > > As subject - how can I pin a VM that used 4x cpu (-c 4) to realcpu? > I know that it's the -p option but am unclear on the syntax. > > vmrun.sh gives the following for -p > > -p: pass-through a host PCI device at bus/slot/func (e.g. 10/0/0) > > but how to express this for vcpus and realcpus? vmrun.sh and bhyve(8) are seperate commands, only bhyve(8) supports the cpu pin option as -p, you can not do this with the example script vmrun.sh unless you modify it yourself and add some other option to do this with. To do the pinning with bhyve(8) you do something like bhyve -p 0:0 -p 1:1 -p 2:2 -p 3:7 if I am reading the code correctly. -- Rod Grimes rgrimes@freebsd.org
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?201811221856.wAMIuiZ7078616>