README: add mention to libcap

[collectd.git] / README

diff --git a/README b/README
index 12ab7c6..f2617e5 100644 (file)
--- a/README
+++ b/README
@@ -349,6 +349,10 @@ Features
       Reads the number of records and file size from a running Tokyo Tyrant
       server.
 
+    - turbostat
+      Reads CPU frequency and C-state residency on modern Intel
+      turbo-capable processors.
+
     - uptime
       System uptime statistics.
 
@@ -632,6 +636,12 @@ Prerequisites
     Used by the `smart' plugin.
     <http://git.0pointer.de/?p=libatasmart.git>
 
+  * libcap (optional)
+    The `turbostat' plugin can optionally build Linux Capabilities support,
+    which avoids full privileges requirement (aka. running as root) to read
+    values.
+    <http://sites.google.com/site/fullycapable/>
+
   * libclntsh (optional)
     Used by the `oracle' plugin.