Add new mutex page inspired by: http://www.percona.com/blog/2015/01/06/getting-mutex...

[pstop.git] / BUGS

diff --git a/BUGS b/BUGS
index 8ef7fba..eb9a34a 100644 (file)
--- a/BUGS
+++ b/BUGS
@@ -29,3 +29,15 @@ xxxxxx.xxxxxxxx                   15.71 s   1.6%| 99.6%   0.4%
 
 with a very long latency. Related to doing backups. Need to check the cause
 of the 5124.10h ++ issue. Probably a subtraction problem of some sort.
+
+4. Mutex page needs to configure P_S and restore confiuration on exit.
+
+This is: set the appropriate settings such as
+
+UPDATE setup_instruments
+SET enabled = 'YES', timed = 'YES'
+WHERE NAME LIKE 'wait/synch/mutex/innodb/%';
+
+However, on exit, it should restore the previous settings back to
+what they were before.  Currently if you've not set p_s appropriately you
+won't get any useful information out of this page.