Add stats for the size of extent_avail heap

2018-08-01 14:14:33 -07:00
parent c14e6c0819
commit 126252a7e6
7 changed files with 31 additions and 1 deletions
--- a/doc/jemalloc.xml.in
+++ b/doc/jemalloc.xml.in
@@ -2597,6 +2597,17 @@ struct extent_hooks_s {
        details.</para></listitem>
      </varlistentry>

+      <varlistentry id="stats.arenas.i.extent_avail">
+        <term>
+          <mallctl>stats.arenas.&lt;i&gt;.extent_avail</mallctl>
+          (<type>size_t</type>)
+          <literal>r-</literal>
+          [<option>--enable-stats</option>]
+        </term>
+        <listitem><para>Number of allocated (but unused) extent structs in this
+	arena.</para></listitem>
+      </varlistentry>
+
      <varlistentry id="stats.arenas.i.base">
        <term>
          <mallctl>stats.arenas.&lt;i&gt;.base</mallctl>