WL#2360 Performance schema

Part III: mysys instrumentation

3 files changed, 58 insertions, 16 deletions

diff --git a/plugin/semisync/semisync_master.cc b/plugin/semisync/semisync_master.cc
index cc83978ad4e..23c78eca587 100644
--- a/plugin/semisync/semisync_master.cc
+++ b/plugin/semisync/semisync_master.cc
@@ -1,5 +1,5 @@
 /* Copyright (C) 2007 Google Inc.
-   Copyright (C) 2008 MySQL AB
+   Copyright (C) 2008 MySQL AB, 2008-2009 Sun Microsystems, Inc
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -64,7 +64,7 @@ static int gettimeofday(struct timeval *tv, void *tz)
  ******************************************************************************/
 
 ActiveTranx::ActiveTranx(int max_connections,
-			 pthread_mutex_t *lock,
+                         mysql_mutex_t *lock,
 			 unsigned long trace_level)
   : Trace(trace_level), num_transactions_(max_connections),
     num_entries_(max_connections << 1),
@@ -416,8 +416,10 @@ int ReplSemiSyncMaster::initObject()
   max_transactions_ = (int)max_connections;
 
   /* Mutex initialization can only be done after MY_INIT(). */
-  pthread_mutex_init(&LOCK_binlog_, MY_MUTEX_INIT_FAST);
-  pthread_cond_init(&COND_binlog_send_, NULL);
+  mysql_mutex_init(key_ss_mutex_LOCK_binlog_,
+                   &LOCK_binlog_, MY_MUTEX_INIT_FAST);
+  mysql_cond_init(key_ss_cond_COND_binlog_send_,
+                  &COND_binlog_send_, NULL);
 
   if (rpl_semi_sync_master_enabled)
     result = enableMaster();
@@ -494,8 +496,8 @@ ReplSemiSyncMaster::~ReplSemiSyncMaster()
 {
   if (init_done_)
   {
-    pthread_mutex_destroy(&LOCK_binlog_);
-    pthread_cond_destroy(&COND_binlog_send_);
+    mysql_mutex_destroy(&LOCK_binlog_);
+    mysql_cond_destroy(&COND_binlog_send_);
   }
 
   delete active_tranxs_;
@@ -503,17 +505,17 @@ ReplSemiSyncMaster::~ReplSemiSyncMaster()
 
 void ReplSemiSyncMaster::lock()
 {
-  pthread_mutex_lock(&LOCK_binlog_);
+  mysql_mutex_lock(&LOCK_binlog_);
 }
 
 void ReplSemiSyncMaster::unlock()
 {
-  pthread_mutex_unlock(&LOCK_binlog_);
+  mysql_mutex_unlock(&LOCK_binlog_);
 }
 
 void ReplSemiSyncMaster::cond_broadcast()
 {
-  pthread_cond_broadcast(&COND_binlog_send_);
+  mysql_cond_broadcast(&COND_binlog_send_);
 }
 
 int ReplSemiSyncMaster::cond_timewait(struct timespec *wait_time)
@@ -522,8 +524,8 @@ int ReplSemiSyncMaster::cond_timewait(struct timespec *wait_time)
   int wait_res;
 
   function_enter(kWho);
-  wait_res = pthread_cond_timedwait(&COND_binlog_send_,
-                                    &LOCK_binlog_, wait_time);
+  wait_res= mysql_cond_timedwait(&COND_binlog_send_,
+                                 &LOCK_binlog_, wait_time);
   return function_exit(kWho, wait_res);
 }
 
diff --git a/plugin/semisync/semisync_master.h b/plugin/semisync/semisync_master.h
index d2b87745600..dbe8bb9d5e2 100644
--- a/plugin/semisync/semisync_master.h
+++ b/plugin/semisync/semisync_master.h
@@ -1,5 +1,6 @@
 /* Copyright (C) 2007 Google Inc.
    Copyright (C) 2008 MySQL AB
+   Copyright (C) 2009 Sun Microsystems, Inc
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -20,6 +21,11 @@
 
 #include "semisync.h"
 
+#ifdef HAVE_PSI_INTERFACE
+extern PSI_mutex_key key_ss_mutex_LOCK_binlog_;
+extern PSI_cond_key key_ss_cond_COND_binlog_send_;
+#endif
+
 /**
    This class manages memory for active transaction list.
 
@@ -49,7 +55,7 @@ private:
 
   int              num_transactions_;               /* maximum transactions */
   int              num_entries_;              /* maximum hash table entries */
-  pthread_mutex_t *lock_;                                     /* mutex lock */
+  mysql_mutex_t *lock_;                                     /* mutex lock */
 
   inline void assert_lock_owner();
 
@@ -74,7 +80,7 @@ private:
   }
 
 public:
-  ActiveTranx(int max_connections, pthread_mutex_t *lock,
+  ActiveTranx(int max_connections, mysql_mutex_t *lock,
 	      unsigned long trace_level);
   ~ActiveTranx();
 
@@ -124,14 +130,14 @@ class ReplSemiSyncMaster
   /* This cond variable is signaled when enough binlog has been sent to slave,
    * so that a waiting trx can return the 'ok' to the client for a commit.
    */
-  pthread_cond_t  COND_binlog_send_;
+  mysql_cond_t  COND_binlog_send_;
 
   /* Mutex that protects the following state variables and the active
    * transaction list.
    * Under no cirumstances we can acquire mysql_bin_log.LOCK_log if we are
    * already holding LOCK_binlog_ because it can cause deadlocks.
    */
-  pthread_mutex_t LOCK_binlog_;
+  mysql_mutex_t LOCK_binlog_;
 
   /* This is set to true when reply_file_name_ contains meaningful data. */
   bool            reply_file_name_inited_;
diff --git a/plugin/semisync/semisync_master_plugin.cc b/plugin/semisync/semisync_master_plugin.cc
index efcb7172b28..e371df3edc3 100644
--- a/plugin/semisync/semisync_master_plugin.cc
+++ b/plugin/semisync/semisync_master_plugin.cc
@@ -1,5 +1,5 @@
 /* Copyright (C) 2007 Google Inc.
-   Copyright (C) 2008 MySQL AB
+   Copyright (C) 2008 MySQL AB, 2008-2009 Sun Microsystems, Inc
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -334,9 +334,43 @@ static SHOW_VAR semi_sync_master_status_vars[]= {
   {NULL, NULL, SHOW_LONG},
 };
 
+#ifdef HAVE_PSI_INTERFACE
+PSI_mutex_key key_ss_mutex_LOCK_binlog_;
+
+static PSI_mutex_info all_semisync_mutexes[]=
+{
+  { &key_ss_mutex_LOCK_binlog_, "LOCK_binlog_", 0}
+};
+
+PSI_cond_key key_ss_cond_COND_binlog_send_;
+
+static PSI_cond_info all_semisync_conds[]=
+{
+  { &key_ss_cond_COND_binlog_send_, "COND_binlog_send_", 0}
+};
+
+static void init_semisync_psi_keys(void)
+{
+  const char* category= "semisync";
+  int count;
+
+  if (PSI_server == NULL)
+    return;
+
+  count= array_elements(all_semisync_mutexes);
+  PSI_server->register_mutex(category, all_semisync_mutexes, count);
+
+  count= array_elements(all_semisync_conds);
+  PSI_server->register_cond(category, all_semisync_conds, count);
+}
+#endif /* HAVE_PSI_INTERFACE */
 
 static int semi_sync_master_plugin_init(void *p)
 {
+#ifdef HAVE_PSI_INTERFACE
+  init_semisync_psi_keys();
+#endif
+
   if (repl_semisync.initObject())
     return 1;
   if (register_trans_observer(&trans_observer, p))