Merge lp:~akopytov/percona-server/bug845019-5.1 into lp:percona-server/5.1

[Alexey Kopytov]

[Alexey Kopytov (akopytov)]

http://jenkins.percona.com/view/Percona%20Server%205.1/job/percona-server-5.1-param/139/

[Oleg Tsarev (tsarev)]

LGTM

review: Approve

=== modified file 'patches/response_time_distribution.patch'
--- patches/response_time_distribution.patch	2011-07-30 23:07:03 +0000
+++ patches/response_time_distribution.patch	2011-09-16 11:15:29 +0000
@@ -3119,11 +3119,13 @@
  
  /**
    @defgroup Runtime_Environment Runtime Environment
-@@ -1777,6 +1778,7 @@
+@@ -1777,6 +1778,9 @@
  
    ulonglong end_utime_of_query= thd->current_utime();
    ulonglong query_exec_time= get_query_exec_time(thd, end_utime_of_query);
++#ifdef HAVE_RESPONSE_TIME_DISTRIBUTION
 +  query_response_time_collect(query_exec_time);
++#endif
  
    /*
      Low long_query_time value most likely means user is debugging stuff and even