OProfile

Update of /cvsroot/oprofile/oprofile-www/faq
In directory sc8-pr-cvs3.sourceforge.net:/tmp/cvs-serv23048

Modified Files:
	index.php3 
Log Message:
add FAQ entry about changing events.


Index: index.php3
===================================================================
RCS file: /cvsroot/oprofile/oprofile-www/faq/index.php3,v
retrieving revision 1.26
retrieving revision 1.27
diff -u -p -d -r1.26 -r1.27
--- index.php3	8 Feb 2006 13:05:46 -0000	1.26
+++ index.php3	7 Jun 2006 12:20:17 -0000	1.27
@@ -47,6 +47,15 @@ vmlinu<em>x</em> file. If you don't have
 If you're not doing kernel profiling, you can use <tt>opcontrol --no-vmlinux</tt>.
 </p>
  
+<h3>Why is OProfile ignoring me when I try to change the events to profile ?</h3>
+<p>
+For OProfile to start profiling using the new events, the daemon must be
+restarted. In particular, you must use <tt>--shutdown</tt> not
+<tt>--stop</tt>, as the latter does <em>not</em> restart the daemon.
+Note that the old profiling data is still kept: use <tt>--reset</tt> or
+<tt>--save</tt> if you want to clear out old data.
+</p>
+
 <h3>But Red Hat don't ship a <tt>vmlinux</tt></h3>
 <p>
 Actually they do, but it's not installed by default, because it's