X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=docs%2Fusers_guide%2Fruntime_control.xml;h=776b65f9a1a58da65ccc51f0d4b12ee835a2b4ef;hb=6a05ec5ef5373f61b7f9f5bdc344483417fa801b;hp=95365bacce9af76da4febe616699e3682e307e94;hpb=f5605a5a2ea4a4707c9bec48048d730f0f56dae2;p=ghc-hetmet.git

diff --git a/docs/users_guide/runtime_control.xml b/docs/users_guide/runtime_control.xml
index 95365ba..776b65f 100644
--- a/docs/users_guide/runtime_control.xml
+++ b/docs/users_guide/runtime_control.xml
@@ -661,6 +661,29 @@ char *ghc_rts_opts = "-H128m -K1m";
     <filename>ghc/compiler/parser/hschooks.c</filename> in a GHC
     source tree.</para>
   </sect2>
+
+  <sect2>
+    <title>Getting information about the RTS</title>
+
+    <indexterm><primary>RTS</primary></indexterm>
+
+    <para>It is possible to ask the RTS to give some information about
+    itself. To do this, use the <option>--info</option> flag, e.g.</para>
+<screen>
+$ ./a.out +RTS --info
+ [("GHC RTS", "Yes")
+ ,("GHC version", "6.7")
+ ,("RTS way", "rts_p")
+ ,("Host platform", "x86_64-unknown-linux")
+ ,("Build platform", "x86_64-unknown-linux")
+ ,("Target platform", "x86_64-unknown-linux")
+ ,("Compiler unregisterised", "NO")
+ ,("Tables next to code", "YES")
+ ]
+</screen>
+    <para>The information is formatted such that it can be read as a
+    of type <literal>[(String, String)]</literal>.</para>
+  </sect2>
 </sect1>
 
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