Re: [Qemu-devel] [PATCH] x86: Allow to set NUMA distance for different NUMA nodes

2017-03-10 Thread Daniel P. Berrange
On Fri, Mar 10, 2017 at 06:40:52PM +0200, Michael S. Tsirkin wrote: > On Fri, Mar 10, 2017 at 04:38:59PM +, Daniel P. Berrange wrote: > > On Fri, Mar 10, 2017 at 10:37:08AM -0600, Eric Blake wrote: > > > On 03/10/2017 04:18 AM, He Chen wrote: > > > > Current, QEMU does not provide a clear comma

Re: [Qemu-devel] [PATCH] x86: Allow to set NUMA distance for different NUMA nodes

2017-03-10 Thread Michael S. Tsirkin
On Fri, Mar 10, 2017 at 04:38:59PM +, Daniel P. Berrange wrote: > On Fri, Mar 10, 2017 at 10:37:08AM -0600, Eric Blake wrote: > > On 03/10/2017 04:18 AM, He Chen wrote: > > > Current, QEMU does not provide a clear command to set vNUMA distance for > > > guest although we already have `-numa` co

Re: [Qemu-devel] [PATCH] x86: Allow to set NUMA distance for different NUMA nodes

2017-03-10 Thread Daniel P. Berrange
On Fri, Mar 10, 2017 at 10:37:08AM -0600, Eric Blake wrote: > On 03/10/2017 04:18 AM, He Chen wrote: > > Current, QEMU does not provide a clear command to set vNUMA distance for > > guest although we already have `-numa` command to set vNUMA nodes. > > > > > > > This patch is going to add SLIT t

Re: [Qemu-devel] [PATCH] x86: Allow to set NUMA distance for different NUMA nodes

2017-03-10 Thread Eric Blake
On 03/10/2017 04:18 AM, He Chen wrote: > Current, QEMU does not provide a clear command to set vNUMA distance for > guest although we already have `-numa` command to set vNUMA nodes. > > > This patch is going to add SLIT table support in QEMU, and provides > addtional option `dist` for command `

Re: [Qemu-devel] [PATCH] x86: Allow to set NUMA distance for different NUMA nodes

2017-03-10 Thread Michael S. Tsirkin
On Fri, Mar 10, 2017 at 06:18:17PM +0800, He Chen wrote: > Current, QEMU does not provide a clear command to set vNUMA distance for > guest although we already have `-numa` command to set vNUMA nodes. > > vNUMA distance makes sense in certain scenario. > But now, if we create a guest that has 4 vN

[Qemu-devel] [PATCH] x86: Allow to set NUMA distance for different NUMA nodes

2017-03-10 Thread He Chen
Current, QEMU does not provide a clear command to set vNUMA distance for guest although we already have `-numa` command to set vNUMA nodes. vNUMA distance makes sense in certain scenario. But now, if we create a guest that has 4 vNUMA nodes, when we check NUMA info via `numactl -H`, we will see: