cgroup: Add documentation for blkiotune elements.

Add documentation for blkiotune elements.

Signed-off-by: Gui Jianfeng <guijianfeng@cn.fujitsu.com>

diff --git a/docs/formatdomain.html.in b/docs/formatdomain.html.in
index 43c78fc31110024c4fb53de76cdcbc7ca71fbe39..c543dab6ad7b8aae615af578a4d478b21828c051 100644 (file)
--- a/docs/formatdomain.html.in
+++ b/docs/formatdomain.html.in
@@ -275,6 +275,9 @@
   <memoryBacking>
     <hugepages/>
   </memoryBacking>
+  <blkiotune>
+    <weight>800</weight>
+  </blkiotune>
   <memtune>
     <hard_limit>1048576</hard_limit>
     <soft_limit>131072</soft_limit>
@@ -298,10 +301,17 @@
         <code>hugepages</code> element set within it. This tells the
         hypervisor that the guest should have its memory allocated using
         hugepages instead of the normal native page size.</dd>
+      <dt><code>blkiotune</code></dt>
+      <dd> The optional <code>blkiotune</code> element provides the ability
+        to tune Blkio cgroup tunable parameters for the domain. If this is
+        omitted, it defaults to the OS provided defaults.</dd>
+      <dt><code>weight</code></dt>
+      <dd> The optional <code>weight</code> element is the I/O weight of the
+        guest. The value should be in range [100, 1000].</dd>
       <dt><code>memtune</code></dt>
       <dd> The optional <code>memtune</code> element provides details
-      regarding the memory tuneable parameters for the domain. If this is
-      omitted, it defaults to the OS provided defaults.</dd>
+        regarding the memory tunable parameters for the domain. If this is
+        omitted, it defaults to the OS provided defaults.</dd>
       <dt><code>hard_limit</code></dt>
       <dd> The optional <code>hard_limit</code> element is the maximum memory
        the guest can use. The units for this value are kilobytes (i.e. blocks