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Re: [Qemu-devel] [PATCH v9] Allow setting NUMA distance for different NU
From: |
Igor Mammedov |
Subject: |
Re: [Qemu-devel] [PATCH v9] Allow setting NUMA distance for different NUMA nodes |
Date: |
Thu, 27 Apr 2017 16:46:26 +0200 |
On Thu, 27 Apr 2017 16:05:42 +0200
Markus Armbruster <address@hidden> wrote:
> Igor Mammedov <address@hidden> writes:
>
> > On Thu, 27 Apr 2017 07:54:31 -0500
> > Eric Blake <address@hidden> wrote:
> >
> >> On 04/26/2017 09:35 PM, He Chen wrote:
> >> > This patch is going to add SLIT table support in QEMU, and provides
> >> > additional option `dist` for command `-numa` to allow user set vNUMA
> >> > distance by QEMU command.
> >> >
> >> > With this patch, when a user wants to create a guest that contains
> >> > several vNUMA nodes and also wants to set distance among those nodes,
> >> > the QEMU command would like:
> >> >
> >> > ```
> >> > -numa node,nodeid=0,cpus=0 \
> >> > -numa node,nodeid=1,cpus=1 \
> >> > -numa node,nodeid=2,cpus=2 \
> >> > -numa node,nodeid=3,cpus=3 \
> >> > -numa dist,src=0,dst=1,val=21 \
> >> > -numa dist,src=0,dst=2,val=31 \
> >> > -numa dist,src=0,dst=3,val=41 \
> >> > -numa dist,src=1,dst=2,val=21 \
> >> > -numa dist,src=1,dst=3,val=31 \
> >> > -numa dist,src=2,dst=3,val=21 \
> >> > ```
> >> >
> >> > Signed-off-by: He Chen <address@hidden>
> >> >
> >> > ---
> >> > Changes since v8:
> >> > * numa_{node, distance}_parse --> parse_numa_{node, distance}
> >> > * Comments refinement.
> >>
> >>
> >> > ---
> >> > hw/acpi/aml-build.c | 26 +++++++++
> >> > hw/i386/acpi-build.c | 4 ++
> >> > include/hw/acpi/aml-build.h | 1 +
> >> > include/sysemu/numa.h | 2 +
> >> > include/sysemu/sysemu.h | 4 ++
> >> > numa.c | 137
> >> > +++++++++++++++++++++++++++++++++++++++++++-
> >> > qapi-schema.json | 30 +++++++++-
> >> > qemu-options.hx | 16 +++++-
> >> > 8 files changed, 215 insertions(+), 5 deletions(-)
> >>
> >> Markus has asked that all new QMP commands have some testsuite exposure;
> >> he may have some advice on what test would be best to modify to give us
> >> some coverage of this feature.
>
> I can't see the QMP command here, but...
>
> > Since it's basically validation of SLIT table, the test case
> > should be added to tests/bios-tables-test.c
>
> ... I figure there's new stuff to test all the same.
it could be a patch on top and doesn't have to hold this one if author promises
to write testcase