[Qemu-devel] [7211] add info numa command to monitor (Andre Przywara)

[Anthony Liguori <anthony@codemonkey.ws>]

Revision: 7211
          http://svn.sv.gnu.org/viewvc/?view=rev&root=qemu&revision=7211
Author:   aliguori
Date:     2009-04-21 22:30:47 +0000 (Tue, 21 Apr 2009)
Log Message:
-----------
add info numa command to monitor (Andre Przywara)

adds an "info numa" command to the monitor to output the current
topology. Since NUMA is advertised via static ACPI tables, no changes are
possible during runtime.

Signed-off-by: Andre Przywara <andre.przywara@amd.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>

Modified Paths:
--------------
    trunk/monitor.c

Modified: trunk/monitor.c
===================================================================
--- trunk/monitor.c	2009-04-21 22:30:27 UTC (rev 7210)
+++ trunk/monitor.c	2009-04-21 22:30:47 UTC (rev 7211)
@@ -1409,6 +1409,25 @@
 #endif
 }
 
+static void do_info_numa(Monitor *mon)
+{
+    int i, j;
+    CPUState *env;
+
+    monitor_printf(mon, "%d nodes\n", nb_numa_nodes);
+    for (i = 0; i < nb_numa_nodes; i++) {
+        monitor_printf(mon, "node %d cpus:", i);
+        for (env = first_cpu; env != NULL; env = env->next_cpu) {
+            if (env->numa_node == i) {
+                monitor_printf(mon, " %d", env->cpu_index);
+            }
+        }
+        monitor_printf(mon, "\n");
+        monitor_printf(mon, "node %d size: %" PRId64 " MB\n", i,
+            node_mem[i] >> 20);
+    }
+}
+
 #ifdef CONFIG_PROFILER
 
 int64_t kqemu_time;
@@ -1792,6 +1811,8 @@
       "", "show KQEMU information", },
     { "kvm", "", do_info_kvm,
       "", "show KVM information", },
+    { "numa", "", do_info_numa,
+      "", "show NUMA information", },
     { "usb", "", usb_info,
       "", "show guest USB devices", },
     { "usbhost", "", usb_host_info,