[Xen-devel] [PATCH v3 6/7] xen: adds vNUMA info debug-key u

[Elena Ufimtseva <ufimtseva@xxxxxxxxx>]

Prints basic information about vNUMA topology
for vNUMA enabled domains when issuing debug-key 'u'.

Signed-off-by: Elena Ufimtseva <ufimtseva@xxxxxxxxx>
---
 xen/arch/x86/numa.c |   18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/xen/arch/x86/numa.c b/xen/arch/x86/numa.c
index b141877..1cf74ee 100644
--- a/xen/arch/x86/numa.c
+++ b/xen/arch/x86/numa.c
@@ -389,6 +389,24 @@ 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_to_pnode[i] >= 
MAX_NUMNODES ? -1 : d->vnuma.vnode_to_pnode[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


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