diff -ur mysql-6.0.11-alpha.orig/sql/mysqld.cc mysql-6.0.11-alpha/sql/mysqld.cc
--- mysql-6.0.11-alpha.orig/sql/mysqld.cc	2009-05-11 13:52:22.000000000 +0100
+++ mysql-6.0.11-alpha/sql/mysqld.cc	2009-06-11 06:57:01.648218733 +0100
@@ -30,7 +30,6 @@
 #include "sql_audit.h"
 #include "debug_sync.h"
 #include <waiting_threads.h>
-
 #include "../storage/myisam/ha_myisam.h"
 
 #include "rpl_injector.h"
@@ -7417,6 +7416,25 @@
   return 0;
 }
 
+static int show_slave_last_heartbeat(THD *thd, SHOW_VAR *var, char *buff)
+{
+  MYSQL_TIME received_heartbeat_time;
+  pthread_mutex_lock(&LOCK_active_mi);
+  if (active_mi)
+  {
+    var->type= SHOW_CHAR;
+    var->value= buff;
+    pthread_mutex_lock(&active_mi->rli->data_lock);
+    thd->variables.time_zone->gmt_sec_to_TIME(&received_heartbeat_time, active_mi->last_heartbeat);
+    my_datetime_to_str(&received_heartbeat_time, buff);
+    pthread_mutex_unlock(&active_mi->rli->data_lock);
+  }
+  else
+    var->type= SHOW_UNDEF;
+  pthread_mutex_unlock(&LOCK_active_mi);
+  return 0;
+}
+
 static int show_heartbeat_period(THD *thd, SHOW_VAR *var, char *buff)
 {
   pthread_mutex_lock(&LOCK_active_mi);
@@ -7800,6 +7818,7 @@
   {"Slave_retried_transactions",(char*) &show_slave_retried_trans, SHOW_FUNC},
   {"Slave_heartbeat_period",   (char*) &show_heartbeat_period, SHOW_FUNC},
   {"Slave_received_heartbeats",(char*) &show_slave_received_heartbeats, SHOW_FUNC},
+  {"Slave_last_heartbeat",     (char*) &show_slave_last_heartbeat, SHOW_FUNC},
   {"Slave_running",            (char*) &show_slave_running,     SHOW_FUNC},
 #endif
   {"Slow_launch_threads",      (char*) &slow_launch_threads,    SHOW_LONG},
diff -ur mysql-6.0.11-alpha.orig/sql/rpl_mi.cc mysql-6.0.11-alpha/sql/rpl_mi.cc
--- mysql-6.0.11-alpha.orig/sql/rpl_mi.cc	2009-05-11 13:52:24.000000000 +0100
+++ mysql-6.0.11-alpha/sql/rpl_mi.cc	2009-06-10 22:59:52.301222840 +0100
@@ -25,7 +25,7 @@
    :Rpl_info("I/O"),
    ssl(0), ssl_verify_server_cert(0),
    port(MYSQL_PORT), connect_retry(DEFAULT_CONNECT_RETRY), 
-   heartbeat_period(0), received_heartbeats(0),
+   heartbeat_period(0), received_heartbeats(0), last_heartbeat(0),
    master_id(0)
 {
   host[0] = 0; user[0] = 0; password[0] = 0;
diff -ur mysql-6.0.11-alpha.orig/sql/rpl_mi.h mysql-6.0.11-alpha/sql/rpl_mi.h
--- mysql-6.0.11-alpha.orig/sql/rpl_mi.h	2009-05-11 13:52:24.000000000 +0100
+++ mysql-6.0.11-alpha/sql/rpl_mi.h	2009-06-10 23:04:41.554223852 +0100
@@ -82,6 +82,7 @@
   uint connect_retry;
   float heartbeat_period;         // interface with CHANGE MASTER or master.info
   ulonglong received_heartbeats;  // counter of received heartbeat events
+  time_t last_heartbeat;
   DYNAMIC_ARRAY ignore_server_ids;
   ulong master_id;
   /*
diff -ur mysql-6.0.11-alpha.orig/sql/slave.cc mysql-6.0.11-alpha/sql/slave.cc
--- mysql-6.0.11-alpha.orig/sql/slave.cc	2009-05-11 13:52:28.000000000 +0100
+++ mysql-6.0.11-alpha/sql/slave.cc	2009-06-10 23:33:24.762219208 +0100
@@ -3638,6 +3638,7 @@
       goto err;
     }
     mi->received_heartbeats++;
+    mi->last_heartbeat= my_time(0);
     /* 
        compare local and event's versions of log_file, log_pos.