* [PATCH v2 6/7] xen: adds vNUMA info debug-key u
@ 2013-11-14 3:27 Elena Ufimtseva
2013-11-15 8:52 ` Jan Beulich
0 siblings, 1 reply; 2+ messages in thread
From: Elena Ufimtseva @ 2013-11-14 3:27 UTC (permalink / raw)
To: xen-devel
Cc: Ian.Campbell, stefano.stabellini, george.dunlap, msw,
dario.faggioli, lccycc123, ian.jackson, Elena Ufimtseva
Prints basic information about vNUMA topology
for vNUMA enabled domains when issuing debug-key 'u'.
Signed-off-by: Elena Ufimtseva <ufimtseva@gmail.com>
---
xen/arch/x86/numa.c | 19 +++++++++++++++++++
1 file changed, 19 insertions(+)
diff --git a/xen/arch/x86/numa.c b/xen/arch/x86/numa.c
index b141877..8bd34d0 100644
--- a/xen/arch/x86/numa.c
+++ b/xen/arch/x86/numa.c
@@ -389,6 +389,25 @@ static void dump_numa(unsigned char key)
for_each_online_node(i)
printk(" Node %u: %u\n", i, page_num_node[i]);
+
+ if (d->vnuma.nr_vnodes > 0)
+ {
+ printk(" Domain has %d vnodes\n", d->vnuma.nr_vnodes);
+ for (i = 0; i < d->vnuma.nr_vnodes; i++) {
+ printk(" vnode %d - pnode %d:", i,
+ d->vnuma.vnode_numamap[i] >= MAX_NUMNODES ?
+ -1 : d->vnuma.vnode_numamap[i]);
+ printk(" %"PRIu64" MB \n",
+ (d->vnuma.vmemrange[i].end -
+ d->vnuma.vmemrange[i].start) >> 20);
+ }
+ printk(" Domain vcpu to vnode: \n");
+ for (i = 0; i < d->max_vcpus; i++)
+ printk("%s%d %s", i % 8 == 0 ? " " : "",
+ d->vnuma.vcpu_to_vnode[i],
+ (i + 1) % 8 == 0 ? "\n" : "");
+ printk("\n");
+ }
}
rcu_read_unlock(&domlist_read_lock);
--
1.7.10.4
^ permalink raw reply related [flat|nested] 2+ messages in thread* Re: [PATCH v2 6/7] xen: adds vNUMA info debug-key u
2013-11-14 3:27 [PATCH v2 6/7] xen: adds vNUMA info debug-key u Elena Ufimtseva
@ 2013-11-15 8:52 ` Jan Beulich
0 siblings, 0 replies; 2+ messages in thread
From: Jan Beulich @ 2013-11-15 8:52 UTC (permalink / raw)
To: Elena Ufimtseva
Cc: Ian.Campbell, lccycc123, george.dunlap, msw, dario.faggioli,
stefano.stabellini, ian.jackson, xen-devel
>>> On 14.11.13 at 04:27, Elena Ufimtseva <ufimtseva@gmail.com> wrote:
> --- a/xen/arch/x86/numa.c
> +++ b/xen/arch/x86/numa.c
> @@ -389,6 +389,25 @@ static void dump_numa(unsigned char key)
>
> for_each_online_node(i)
> printk(" Node %u: %u\n", i, page_num_node[i]);
> +
> + if (d->vnuma.nr_vnodes > 0)
> + {
> + printk(" Domain has %d vnodes\n", d->vnuma.nr_vnodes);
> + for (i = 0; i < d->vnuma.nr_vnodes; i++) {
> + printk(" vnode %d - pnode %d:", i,
> + d->vnuma.vnode_numamap[i] >= MAX_NUMNODES ?
> + -1 : d->vnuma.vnode_numamap[i]);
> + printk(" %"PRIu64" MB \n",
> + (d->vnuma.vmemrange[i].end -
> + d->vnuma.vmemrange[i].start) >> 20);
> + }
> + printk(" Domain vcpu to vnode: \n");
> + for (i = 0; i < d->max_vcpus; i++)
> + printk("%s%d %s", i % 8 == 0 ? " " : "",
> + d->vnuma.vcpu_to_vnode[i],
> + (i + 1) % 8 == 0 ? "\n" : "");
> + printk("\n");
> + }
Looks okay, but needs to be cleaned up coding style wise.
Jan
^ permalink raw reply [flat|nested] 2+ messages in thread
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