Add note about profile.sh


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9652 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/docs/CommandGuide/llvm-prof.html b/docs/CommandGuide/llvm-prof.html
index 2f99df5..6e3cd75 100644
--- a/docs/CommandGuide/llvm-prof.html
+++ b/docs/CommandGuide/llvm-prof.html
@@ -18,6 +18,10 @@
 file for the program, and produces a human readable report, suitable for
 determining where the program hotspots are.<p>
 
+This program is often used in conjunction with the <tt>utils/profile.sh</tt>
+script.  This script automatically instruments a program, runs it with the JIT,
+then runs <tt>llvm-prof</tt> to format a report.  To get more information about
+<tt>utils/profile.sh</tt>, execute it with the <tt>--help</tt> option.<p>
 
 <h3>OPTIONS</h3>