From 055c714460257cd2b09f7d23aea4a300abe809ab Mon Sep 17 00:00:00 2001
From: =?utf8?q?Johan=20Wir=C3=A9n?= <johan.wiren.se@gmail.com>
Date: Wed, 6 Feb 2013 23:37:00 +0100
Subject: [PATCH] libvirt: Added support for memory allocation

---
 README        |  2 +-
 src/libvirt.c | 21 ++++++++++++++++++++-
 2 files changed, 21 insertions(+), 2 deletions(-)

diff --git a/README b/README
index a8ec07b0..77ea6ff2 100644
--- a/README
+++ b/README
@@ -133,7 +133,7 @@ Features
       technique built into IBM's POWER processors.
 
     - libvirt
-      CPU, disk and network I/O statistics from virtual machines.
+      CPU, memory, disk and network I/O statistics from virtual machines.
 
     - madwifi
       Queries very detailed usage statistics from wireless LAN adapters and
diff --git a/src/libvirt.c b/src/libvirt.c
index c53a81d4..6b0cf9a4 100644
--- a/src/libvirt.c
+++ b/src/libvirt.c
@@ -177,6 +177,24 @@ init_value_list (value_list_t *vl, virDomainPtr dom)
     vl->host[sizeof (vl->host) - 1] = '\0';
 } /* void init_value_list */
 
+static void
+memory_submit (unsigned long memory, virDomainPtr dom, const char *type)
+{
+    value_t values[1];
+    value_list_t vl = VALUE_LIST_INIT;
+
+    init_value_list (&vl, dom);
+
+    values[0].gauge = memory;
+
+    vl.values = values;
+    vl.values_len = 1;
+
+    sstrncpy (vl.type, type, sizeof (vl.type));
+
+    plugin_dispatch_values (&vl);
+}
+
 static void
 cpu_submit (unsigned long long cpu_time,
             virDomainPtr dom, const char *type)
@@ -407,7 +425,7 @@ lv_read (void)
                  interface_devices[i].path);
 #endif
 
-    /* Get CPU usage, VCPU usage for each domain. */
+    /* Get CPU usage, memory, VCPU usage for each domain. */
     for (i = 0; i < nr_domains; ++i) {
         virDomainInfo info;
         virVcpuInfoPtr vinfo = NULL;
@@ -423,6 +441,7 @@ lv_read (void)
         }
 
         cpu_submit (info.cpuTime, domains[i], "virt_cpu_total");
+	memory_submit (info.memory, domains[i], "memory");
 
         vinfo = malloc (info.nrVirtCpu * sizeof (vinfo[0]));
         if (vinfo == NULL) {
-- 
2.30.2