WL#2360 Performance schema

Part 1: Instrumentation interface

Makefile.am

@@ -269,11 +269,12 @@ test-full-qa:
 #
 
 API_PREPROCESSOR_HEADER = $(top_srcdir)/include/mysql/plugin.h \
-                           $(top_srcdir)/include/mysql.h
+			$(top_srcdir)/include/mysql.h \
+			$(top_srcdir)/include/mysql/psi/psi_abi_v1.h \
+			$(top_srcdir)/include/mysql/psi/psi_abi_v2.h
 
-TEST_PREPROCESSOR_HEADER = $(top_srcdir)/include/mysql/plugin.h \
-                            $(top_srcdir)/sql/mysql_priv.h \
-                            $(top_srcdir)/include/mysql.h
+TEST_PREPROCESSOR_HEADER = $(API_PREPROCESSOR_HEADER) \
+			$(top_srcdir)/sql/mysql_priv.h
 
 #
 # Rules for checking that the abi/api has not changed.

include/Makefile.am

-# Copyright (C) 2000-2006 MySQL AB
+# Copyright (C) 2000-2006 MySQL AB, 2009 Sun Microsystems, Inc
 #
 # This library is free software; you can redistribute it and/or
 # modify it under the terms of the GNU Library General Public
@@ -24,6 +24,8 @@ pkginclude_HEADERS =	$(HEADERS_ABI) my_dbug.h m_string.h my_sys.h \
 			my_xml.h mysql_embed.h mysql/services.h \
 			mysql/service_my_snprintf.h mysql/service_thd_alloc.h \
 		  	my_pthread.h my_no_pthread.h \
+			mysql/psi/psi.h mysql/psi/mysql_thread.h \
+			mysql/psi/mysql_file.h \
 			decimal.h errmsg.h my_global.h my_net.h \
 			my_getopt.h sslopt-longopts.h my_dir.h \
 			sslopt-vars.h sslopt-case.h sql_common.h keycache.h \
@@ -38,13 +40,15 @@ noinst_HEADERS =	config-win.h config-netware.h lf.h my_bit.h \
 			my_aes.h my_tree.h my_trie.h hash.h thr_alarm.h \
 			thr_lock.h t_ctype.h violite.h my_md5.h base64.h \
 			my_handler.h my_time.h service_versions.h \
-			my_rdtsc.h \
+			my_rdtsc.h mysql/psi/psi_abi_v1.h mysql/psi/psi_abi_v2.h \
 			my_vle.h my_user.h my_atomic.h atomic/nolock.h \
 			atomic/rwlock.h atomic/x86-gcc.h atomic/generic-msvc.h \
 			atomic/gcc_builtins.h my_libwrap.h my_stacktrace.h \
 			atomic/solaris.h
 
-EXTRA_DIST =        mysql.h.pp mysql/plugin.h.pp probes_mysql.d.base 
+EXTRA_DIST = 		mysql.h.pp mysql/plugin.h.pp probes_mysql.d.base \
+			mysql/psi/psi_abi_v1.h.pp \
+			mysql/psi/psi_abi_v2.h.pp
 
 # Remove built files and the symlinked directories
 CLEANFILES =            $(BUILT_SOURCES) readline openssl probes_mysql.d probes_mysql_nodtrace.h

include/my_global.h

-/* Copyright (C) 2000-2003 MySQL AB
+/* Copyright (C) 2000-2003 MySQL AB, 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
@@ -83,6 +83,16 @@
 #endif
 #endif /* _WIN32... */
 
+#ifdef EMBEDDED_LIBRARY
+#ifdef WITH_PERFSCHEMA_STORAGE_ENGINE
+#undef WITH_PERFSCHEMA_STORAGE_ENGINE
+#endif
+#endif /* EMBEDDED_LIBRARY */
+
+#ifdef WITH_PERFSCHEMA_STORAGE_ENGINE
+#define HAVE_PSI_INTERFACE
+#endif /* WITH_PERFSCHEMA_STORAGE_ENGINE */
+
 /* Make it easier to add conditionl code for windows */
 #ifdef __WIN__
 #define IF_WIN(A,B) (A)

include/my_no_pthread.h

 #ifndef MY_NO_PTHREAD_INCLUDED
 #define MY_NO_PTHREAD_INCLUDED
 
-/* Copyright (C) 2000 MySQL AB
+/* Copyright (C) 2000 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
@@ -48,5 +48,16 @@
 #define rw_unlock(A)
 #define rwlock_destroy(A)
 
+#define mysql_mutex_init(A, B, C) do {} while (0)
+#define mysql_mutex_lock(A) do {} while (0)
+#define mysql_mutex_unlock(A) do {} while (0)
+#define mysql_mutex_destroy(A) do {} while (0)
+
+#define mysql_rwlock_init(A, B, C) do {} while (0)
+#define mysql_rwlock_rdlock(A) do {} while (0)
+#define mysql_rwlock_wrlock(A) do {} while (0)
+#define mysql_rwlock_unlock(A) do {} while (0)
+#define mysql_rwlock_destroy(A) do {} while (0)
+
 #endif
 #endif /* MY_NO_PTHREAD_INCLUDED */

include/my_pthread.h

-/* Copyright (C) 2000 MySQL AB
+/* Copyright (C) 2000-2008 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
@@ -99,7 +99,7 @@ struct timespec {
 
 
 int win_pthread_mutex_trylock(pthread_mutex_t *mutex);
-int pthread_create(pthread_t *,pthread_attr_t *,pthread_handler,void *);
+int pthread_create(pthread_t *, const pthread_attr_t *, pthread_handler, void *);
 int pthread_cond_init(pthread_cond_t *cond, const pthread_condattr_t *attr);
 int pthread_cond_wait(pthread_cond_t *cond, pthread_mutex_t *mutex);
 int pthread_cond_timedwait(pthread_cond_t *cond, pthread_mutex_t *mutex,
@@ -137,8 +137,8 @@ int pthread_join(pthread_t thread, void **value_ptr);
 #define pthread_mutex_init(A,B)  (InitializeCriticalSection(A),0)
 #define pthread_mutex_lock(A)	 (EnterCriticalSection(A),0)
 #define pthread_mutex_trylock(A) win_pthread_mutex_trylock((A))
-#define pthread_mutex_unlock(A)  LeaveCriticalSection(A)
-#define pthread_mutex_destroy(A) DeleteCriticalSection(A)
+#define pthread_mutex_unlock(A)  (LeaveCriticalSection(A), 0)
+#define pthread_mutex_destroy(A) (DeleteCriticalSection(A), 0)
 #define pthread_kill(A,B) pthread_dummy((A) ? 0 : ESRCH)
 
 
@@ -630,6 +630,10 @@ extern int pthread_dummy(int);
 #endif
 #endif
 
+#include <mysql/psi/mysql_thread.h>
+
+#define INSTRUMENT_ME 0
+
 struct st_my_thread_var
 {
   int thr_errno;

include/my_sys.h

-/* Copyright (C) 2000-2003 MySQL AB
+/* Copyright (C) 2000-2003 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
@@ -1018,5 +1018,15 @@ void netware_reg_user(const char *ip, const char *user,
 		      const char *application);
 #endif
 
+#include <mysql/psi/psi.h>
+
+#ifdef HAVE_PSI_INTERFACE
+extern MYSQL_PLUGIN_IMPORT struct PSI_bootstrap *PSI_hook;
+void my_init_mysys_psi_keys(void);
+#endif
+
+struct st_mysql_file;
+extern struct st_mysql_file *mysql_stdin;
+
 C_MODE_END
 #endif /* _my_sys_h */

include/mysql/psi/psi_abi_v1.h

+/* Copyright (C) 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
+  the Free Software Foundation; version 2 of the License.
+
+  This program is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program; if not, write to the Free Software
+  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */
+
+/**
+  @file mysql/psi/psi_abi_v1.h
+  ABI check for mysql/psi/psi.h, when using PSI_VERSION_1.
+  This file is only used to automate detection of changes between versions.
+  Do not include this file, include mysql/psi/psi.h instead.
+*/
+#define USE_PSI_1
+#define HAVE_PSI_INTERFACE
+#define _global_h
+#include "mysql/psi/psi.h"
+

include/mysql/psi/psi_abi_v1.h.pp

+#include "mysql/psi/psi.h"
+C_MODE_START
+struct PSI_mutex;
+struct PSI_rwlock;
+struct PSI_cond;
+struct PSI_table_share;
+struct PSI_table;
+struct PSI_thread;
+struct PSI_file;
+struct PSI_bootstrap
+{
+  void* (*get_interface)(int version);
+};
+struct PSI_mutex_locker;
+struct PSI_rwlock_locker;
+struct PSI_cond_locker;
+struct PSI_file_locker;
+enum PSI_mutex_operation
+{
+  PSI_MUTEX_LOCK= 0,
+  PSI_MUTEX_TRYLOCK= 1
+};
+enum PSI_rwlock_operation
+{
+  PSI_RWLOCK_READLOCK= 0,
+  PSI_RWLOCK_WRITELOCK= 1,
+  PSI_RWLOCK_TRYREADLOCK= 2,
+  PSI_RWLOCK_TRYWRITELOCK= 3
+};
+enum PSI_cond_operation
+{
+  PSI_COND_WAIT= 0,
+  PSI_COND_TIMEDWAIT= 1
+};
+enum PSI_file_operation
+{
+  PSI_FILE_CREATE= 0,
+  PSI_FILE_CREATE_TMP= 1,
+  PSI_FILE_OPEN= 2,
+  PSI_FILE_STREAM_OPEN= 3,
+  PSI_FILE_CLOSE= 4,
+  PSI_FILE_STREAM_CLOSE= 5,
+  PSI_FILE_READ= 6,
+  PSI_FILE_WRITE= 7,
+  PSI_FILE_SEEK= 8,
+  PSI_FILE_TELL= 9,
+  PSI_FILE_FLUSH= 10,
+  PSI_FILE_STAT= 11,
+  PSI_FILE_FSTAT= 12,
+  PSI_FILE_CHSIZE= 13,
+  PSI_FILE_DELETE= 14,
+  PSI_FILE_RENAME= 15,
+  PSI_FILE_SYNC= 16
+};
+struct PSI_table_locker;
+typedef unsigned int PSI_mutex_key;
+typedef unsigned int PSI_rwlock_key;
+typedef unsigned int PSI_cond_key;
+typedef unsigned int PSI_thread_key;
+typedef unsigned int PSI_file_key;
+struct PSI_mutex_info_v1
+{
+  PSI_mutex_key *m_key;
+  const char *m_name;
+  int m_flags;
+};
+struct PSI_rwlock_info_v1
+{
+  PSI_rwlock_key *m_key;
+  const char *m_name;
+  int m_flags;
+};
+struct PSI_cond_info_v1
+{
+  PSI_cond_key *m_key;
+  const char *m_name;
+  int m_flags;
+};
+struct PSI_thread_info_v1
+{
+  PSI_thread_key *m_key;
+  const char *m_name;
+  int m_flags;
+};
+struct PSI_file_info_v1
+{
+  PSI_file_key *m_key;
+  const char *m_name;
+  int m_flags;
+};
+typedef void (*register_mutex_v1_t)
+  (const char *category, struct PSI_mutex_info_v1 *info, int count);
+typedef void (*register_rwlock_v1_t)
+  (const char *category, struct PSI_rwlock_info_v1 *info, int count);
+typedef void (*register_cond_v1_t)
+  (const char *category, struct PSI_cond_info_v1 *info, int count);
+typedef void (*register_thread_v1_t)
+  (const char *category, struct PSI_thread_info_v1 *info, int count);
+typedef void (*register_file_v1_t)
+  (const char *category, struct PSI_file_info_v1 *info, int count);
+typedef struct PSI_mutex* (*init_mutex_v1_t)
+  (PSI_mutex_key key, const void *identity);
+typedef void (*destroy_mutex_v1_t)(struct PSI_mutex *mutex);
+typedef struct PSI_rwlock* (*init_rwlock_v1_t)
+  (PSI_rwlock_key key, const void *identity);
+typedef void (*destroy_rwlock_v1_t)(struct PSI_rwlock *rwlock);
+typedef struct PSI_cond* (*init_cond_v1_t)
+  (PSI_cond_key key, const void *identity);
+typedef void (*destroy_cond_v1_t)(struct PSI_cond *cond);
+typedef struct PSI_table_share* (*get_table_share_v1_t)
+  (const char *schema_name, int schema_name_length, const char *table_name,
+   int table_name_length, const void *identity);
+typedef void (*release_table_share_v1_t)(struct PSI_table_share *share);
+typedef struct PSI_table* (*open_table_v1_t)
+  (struct PSI_table_share *share, const void *identity);
+typedef void (*close_table_v1_t)(struct PSI_table *table);
+typedef void (*create_file_v1_t)(PSI_file_key key, const char *name,
+                                 File file);
+typedef int (*spawn_thread_v1_t)(PSI_thread_key key,
+                                 pthread_t *thread,
+                                 const pthread_attr_t *attr,
+                                 void *(*start_routine)(void*), void *arg);
+typedef struct PSI_thread* (*new_thread_v1_t)
+  (PSI_thread_key key, const void *identity, ulong thread_id);
+typedef void (*set_thread_id_v1_t)(struct PSI_thread *thread,
+                                   unsigned long id);
+typedef struct PSI_thread* (*get_thread_v1_t)(void);
+typedef void (*set_thread_v1_t)(struct PSI_thread *thread);
+typedef void (*delete_current_thread_v1_t)(void);
+typedef struct PSI_mutex_locker* (*get_thread_mutex_locker_v1_t)
+  (struct PSI_mutex *mutex, enum PSI_mutex_operation op);
+typedef struct PSI_rwlock_locker* (*get_thread_rwlock_locker_v1_t)
+  (struct PSI_rwlock *rwlock, enum PSI_rwlock_operation op);
+typedef struct PSI_cond_locker* (*get_thread_cond_locker_v1_t)
+  (struct PSI_cond *cond, struct PSI_mutex *mutex,
+   enum PSI_cond_operation op);
+typedef struct PSI_table_locker* (*get_thread_table_locker_v1_t)
+  (struct PSI_table *table);
+typedef struct PSI_file_locker* (*get_thread_file_name_locker_v1_t)
+  (PSI_file_key key, enum PSI_file_operation op, const char *name,
+   const void *identity);
+typedef struct PSI_file_locker* (*get_thread_file_stream_locker_v1_t)
+  (struct PSI_file *file, enum PSI_file_operation op);
+typedef struct PSI_file_locker* (*get_thread_file_descriptor_locker_v1_t)
+  (File file, enum PSI_file_operation op);
+typedef void (*unlock_mutex_v1_t)
+  (struct PSI_thread *thread, struct PSI_mutex *mutex);
+typedef void (*unlock_rwlock_v1_t)
+  (struct PSI_thread *thread, struct PSI_rwlock *rwlock);
+typedef void (*signal_cond_v1_t)
+  (struct PSI_thread *thread, struct PSI_cond *cond);
+typedef void (*broadcast_cond_v1_t)
+  (struct PSI_thread *thread, struct PSI_cond *cond);
+typedef void (*start_mutex_wait_v1_t)
+  (struct PSI_mutex_locker *locker, const char *src_file, uint src_line);
+typedef void (*end_mutex_wait_v1_t)
+  (struct PSI_mutex_locker *locker, int rc);
+typedef void (*start_rwlock_rdwait_v1_t)
+  (struct PSI_rwlock_locker *locker, const char *src_file, uint src_line);
+typedef void (*end_rwlock_rdwait_v1_t)
+  (struct PSI_rwlock_locker *locker, int rc);
+typedef void (*start_rwlock_wrwait_v1_t)
+  (struct PSI_rwlock_locker *locker, const char *src_file, uint src_line);
+typedef void (*end_rwlock_wrwait_v1_t)
+  (struct PSI_rwlock_locker *locker, int rc);
+typedef void (*start_cond_wait_v1_t)
+  (struct PSI_cond_locker *locker, const char *src_file, uint src_line);
+typedef void (*end_cond_wait_v1_t)
+  (struct PSI_cond_locker *locker, int rc);
+typedef void (*start_table_wait_v1_t)
+  (struct PSI_table_locker *locker, const char *src_file, uint src_line);
+typedef void (*end_table_wait_v1_t)(struct PSI_table_locker *locker);
+typedef struct PSI_file* (*start_file_open_wait_v1_t)
+  (struct PSI_file_locker *locker, const char *src_file, uint src_line);
+typedef void (*end_file_open_wait_v1_t)(struct PSI_file_locker *locker);
+typedef void (*end_file_open_wait_and_bind_to_descriptor_v1_t)
+  (struct PSI_file_locker *locker, File file);
+typedef void (*start_file_wait_v1_t)
+  (struct PSI_file_locker *locker, size_t count,
+   const char *src_file, uint src_line);
+typedef void (*end_file_wait_v1_t)
+  (struct PSI_file_locker *locker, size_t count);
+struct PSI_v1
+{
+  register_mutex_v1_t register_mutex;
+  register_rwlock_v1_t register_rwlock;
+  register_cond_v1_t register_cond;
+  register_thread_v1_t register_thread;
+  register_file_v1_t register_file;
+  init_mutex_v1_t init_mutex;
+  destroy_mutex_v1_t destroy_mutex;
+  init_rwlock_v1_t init_rwlock;
+  destroy_rwlock_v1_t destroy_rwlock;
+  init_cond_v1_t init_cond;
+  destroy_cond_v1_t destroy_cond;
+  get_table_share_v1_t get_table_share;
+  release_table_share_v1_t release_table_share;
+  open_table_v1_t open_table;
+  close_table_v1_t close_table;
+  create_file_v1_t create_file;
+  spawn_thread_v1_t spawn_thread;
+  new_thread_v1_t new_thread;
+  set_thread_id_v1_t set_thread_id;
+  get_thread_v1_t get_thread;
+  set_thread_v1_t set_thread;
+  delete_current_thread_v1_t delete_current_thread;
+  get_thread_mutex_locker_v1_t get_thread_mutex_locker;
+  get_thread_rwlock_locker_v1_t get_thread_rwlock_locker;
+  get_thread_cond_locker_v1_t get_thread_cond_locker;
+  get_thread_table_locker_v1_t get_thread_table_locker;
+  get_thread_file_name_locker_v1_t get_thread_file_name_locker;
+  get_thread_file_stream_locker_v1_t get_thread_file_stream_locker;
+  get_thread_file_descriptor_locker_v1_t get_thread_file_descriptor_locker;
+  unlock_mutex_v1_t unlock_mutex;
+  unlock_rwlock_v1_t unlock_rwlock;
+  signal_cond_v1_t signal_cond;
+  broadcast_cond_v1_t broadcast_cond;
+  start_mutex_wait_v1_t start_mutex_wait;
+  end_mutex_wait_v1_t end_mutex_wait;
+  start_rwlock_rdwait_v1_t start_rwlock_rdwait;
+  end_rwlock_rdwait_v1_t end_rwlock_rdwait;
+  start_rwlock_wrwait_v1_t start_rwlock_wrwait;
+  end_rwlock_wrwait_v1_t end_rwlock_wrwait;
+  start_cond_wait_v1_t start_cond_wait;
+  end_cond_wait_v1_t end_cond_wait;
+  start_table_wait_v1_t start_table_wait;
+  end_table_wait_v1_t end_table_wait;
+  start_file_open_wait_v1_t start_file_open_wait;
+  end_file_open_wait_v1_t end_file_open_wait;
+  end_file_open_wait_and_bind_to_descriptor_v1_t
+    end_file_open_wait_and_bind_to_descriptor;
+  start_file_wait_v1_t start_file_wait;
+  end_file_wait_v1_t end_file_wait;
+};
+typedef struct PSI_v1 PSI;
+typedef struct PSI_mutex_info_v1 PSI_mutex_info;
+typedef struct PSI_rwlock_info_v1 PSI_rwlock_info;
+typedef struct PSI_cond_info_v1 PSI_cond_info;
+typedef struct PSI_thread_info_v1 PSI_thread_info;
+typedef struct PSI_file_info_v1 PSI_file_info;
+extern MYSQL_PLUGIN_IMPORT PSI *PSI_server;
+C_MODE_END

include/mysql/psi/psi_abi_v2.h

+/* Copyright (C) 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
+  the Free Software Foundation; version 2 of the License.
+
+  This program is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program; if not, write to the Free Software
+  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */
+
+/**
+  @file mysql/psi/psi_abi_v1.h
+  ABI check for mysql/psi/psi.h, when using PSI_VERSION_2.
+  This file is only used to automate detection of changes between versions.
+  Do not include this file, include mysql/psi/psi.h instead.
+*/
+#define USE_PSI_2
+#define HAVE_PSI_INTERFACE
+#define _global_h
+#include "mysql/psi/psi.h"
+

include/mysql/psi/psi_abi_v2.h.pp

+#include "mysql/psi/psi.h"
+C_MODE_START
+struct PSI_mutex;
+struct PSI_rwlock;
+struct PSI_cond;
+struct PSI_table_share;
+struct PSI_table;
+struct PSI_thread;
+struct PSI_file;
+struct PSI_bootstrap
+{
+  void* (*get_interface)(int version);
+};
+struct PSI_mutex_locker;
+struct PSI_rwlock_locker;
+struct PSI_cond_locker;
+struct PSI_file_locker;
+enum PSI_mutex_operation
+{
+  PSI_MUTEX_LOCK= 0,
+  PSI_MUTEX_TRYLOCK= 1
+};
+enum PSI_rwlock_operation
+{
+  PSI_RWLOCK_READLOCK= 0,
+  PSI_RWLOCK_WRITELOCK= 1,
+  PSI_RWLOCK_TRYREADLOCK= 2,
+  PSI_RWLOCK_TRYWRITELOCK= 3
+};
+enum PSI_cond_operation
+{
+  PSI_COND_WAIT= 0,
+  PSI_COND_TIMEDWAIT= 1
+};
+enum PSI_file_operation
+{
+  PSI_FILE_CREATE= 0,
+  PSI_FILE_CREATE_TMP= 1,
+  PSI_FILE_OPEN= 2,
+  PSI_FILE_STREAM_OPEN= 3,
+  PSI_FILE_CLOSE= 4,
+  PSI_FILE_STREAM_CLOSE= 5,
+  PSI_FILE_READ= 6,
+  PSI_FILE_WRITE= 7,
+  PSI_FILE_SEEK= 8,
+  PSI_FILE_TELL= 9,
+  PSI_FILE_FLUSH= 10,
+  PSI_FILE_STAT= 11,
+  PSI_FILE_FSTAT= 12,
+  PSI_FILE_CHSIZE= 13,
+  PSI_FILE_DELETE= 14,
+  PSI_FILE_RENAME= 15,
+  PSI_FILE_SYNC= 16
+};
+struct PSI_table_locker;
+typedef unsigned int PSI_mutex_key;
+typedef unsigned int PSI_rwlock_key;
+typedef unsigned int PSI_cond_key;
+typedef unsigned int PSI_thread_key;
+typedef unsigned int PSI_file_key;
+struct PSI_v2
+{
+  int placeholder;
+};
+struct PSI_mutex_info_v2
+{
+  int placeholder;
+};
+struct PSI_rwlock_info_v2
+{
+  int placeholder;
+};
+struct PSI_cond_info_v2
+{
+  int placeholder;
+};
+struct PSI_thread_info_v2
+{
+  int placeholder;
+};
+struct PSI_file_info_v2
+{
+  int placeholder;
+};
+typedef struct PSI_v2 PSI;
+typedef struct PSI_mutex_info_v2 PSI_mutex_info;
+typedef struct PSI_rwlock_info_v2 PSI_rwlock_info;
+typedef struct PSI_cond_info_v2 PSI_cond_info;
+typedef struct PSI_thread_info_v2 PSI_thread_info;
+typedef struct PSI_file_info_v2 PSI_file_info;
+extern MYSQL_PLUGIN_IMPORT PSI *PSI_server;
+C_MODE_END

libmysql/Makefile.am

-# Copyright (C) 2000-2004 MySQL AB
+# Copyright (C) 2000-2004 MySQL AB, 2008-2009 Sun Microsystems, Inc.
 # 
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of version 2 GNU General Public License as
@@ -21,7 +21,9 @@
 # This file is public domain and comes with NO WARRANTY of any kind
 
 target =	libmysqlclient.la
-target_defs =	-DMYSQL_CLIENT_NO_THREADS -DDONT_USE_RAID @LIB_EXTRA_CCFLAGS@
+target_defs =	-DMYSQL_CLIENT_NO_THREADS -DDONT_USE_RAID \
+		-DDISABLE_MYSQL_THREAD_H @LIB_EXTRA_CCFLAGS@
+
 LIBS =		@CLIENT_LIBS@ 
 INCLUDES =	-I$(top_builddir)/include -I$(top_srcdir)/include \
 		$(openssl_includes) @ZLIB_INCLUDES@

libmysql/Makefile.shared

-# Copyright (C) 2000-2004 MySQL AB
+# Copyright (C) 2000-2004 MySQL AB, 2008-2009 Sun Microsystems, Inc.
 # 
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of version 2 GNU General Public License as
@@ -68,7 +68,8 @@ mysysobjects1 =		my_init.lo my_static.lo my_malloc.lo my_realloc.lo \
                         mf_iocache2.lo my_seek.lo my_sleep.lo \
 			my_pread.lo mf_cache.lo md5.lo sha1.lo \
 			my_getopt.lo my_gethostbyname.lo my_port.lo \
-                        my_rename.lo my_chsize.lo my_sync.lo my_getsystime.lo
+			my_rename.lo my_chsize.lo my_sync.lo \
+			my_getsystime.lo my_symlink2.lo mf_same.lo
 sqlobjects =		net.lo
 sql_cmn_objects =	pack.lo client.lo my_time.lo
 

mysys/my_static.c

@@ -111,3 +111,31 @@ my_bool NEAR my_disable_async_io=0;
 my_bool NEAR my_disable_flush_key_blocks=0;
 my_bool NEAR my_disable_symlinks=0;
 my_bool NEAR mysys_uses_curses=0;
+
+/*
+  Note that PSI_hook and PSI_server are unconditionally
+  (no ifdef HAVE_PSI_INTERFACE) defined.
+  This is to ensure binary compatibility between the server and plugins,
+  in the case when:
+  - the server is not compiled with HAVE_PSI_INTERFACE
+  - a plugin is compiled with HAVE_PSI_INTERFACE
+  See the doxygen documentation for the performance schema.
+*/
+
+/**
+  Hook for the instrumentation interface.
+  Code implementing the instrumentation interface should register here.
+*/
+struct PSI_bootstrap *PSI_hook= NULL;
+
+/**
+  Instance of the instrumentation interface for the MySQL server.
+  @todo This is currently a global variable, which is handy when
+  compiling instrumented code that is bundled with the server.
+  When dynamic plugin are truly supported, this variable will need
+  to be replaced by a macro, so that each XYZ plugin can have it's own
+  xyz_psi_server variable, obtained from PSI_bootstrap::get_interface()
+  with the version used at compile time for plugin XYZ.
+*/
+PSI *PSI_server= NULL;
+

mysys/my_winthread.c

-/* Copyright (C) 2000 MySQL AB
+/* Copyright (C) 2000 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
@@ -63,8 +63,8 @@ static unsigned int __stdcall pthread_start(void *p)
 }
 
 
-int pthread_create(pthread_t *thread_id, pthread_attr_t *attr,
-     pthread_handler func, void *param)
+int pthread_create(pthread_t *thread_id, const pthread_attr_t *attr,
+                   pthread_handler func, void *param)
 {
   uintptr_t handle;
   struct thread_start_parameter *par;

strings/Makefile.am

-# Copyright (C) 2000-2006 MySQL AB
+# Copyright (C) 2000-2006 MySQL AB, 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
@@ -15,7 +15,16 @@
 
 # This file is public domain and comes with NO WARRANTY of any kind
 
-INCLUDES =		-I$(top_builddir)/include -I$(top_srcdir)/include
+#
+# Note that the string library is built with #define THREAD,
+# which by default cause all the thread related code (my_pthread.h)
+# and therefore the associated instrumentation (mysql/psi/mysql_thread.h)
+# to be used.
+# Since the string code itself is not instrumented, we use
+# #define DISABLE_MYSQL_THREAD_H here to avoid unneeded dependencies.
+#
+
+INCLUDES = -I$(top_builddir)/include -I$(top_srcdir)/include -DDISABLE_MYSQL_THREAD_H
 pkglib_LIBRARIES =	libmystrings.a
 
 # Exact one of ASSEMBLER_X