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
>>> 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