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WL#2360 Performance schema

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Part III: mysys instrumentation
This commit is contained in:
Marc Alff
2009-12-09 20:19:51 -07:00
parent 6fd3866c6c
commit c082955f06
64 changed files with 1383 additions and 919 deletions
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30
sql/sp_cache.cc
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@ -1,4 +1,4 @@
/* Copyright (C) 2002 MySQL AB
/* Copyright (C) 2002 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
@ -20,7 +20,7 @@
#include "sp_cache.h"
#include "sp_head.h"
static pthread_mutex_t Cversion_lock;
static mysql_mutex_t Cversion_lock;
static ulong volatile Cversion= 0;
@ -75,12 +75,36 @@ private:
HASH m_hashtable;
}; // class sp_cache
#ifdef HAVE_PSI_INTERFACE
static PSI_mutex_key key_Cversion_lock;
static PSI_mutex_info all_sp_cache_mutexes[]=
{
{ &key_Cversion_lock, "Cversion_lock", PSI_FLAG_GLOBAL}
};
static void init_sp_cache_psi_keys(void)
{
const char* category= "sql";
int count;
if (PSI_server == NULL)
return;
count= array_elements(all_sp_cache_mutexes);
PSI_server->register_mutex(category, all_sp_cache_mutexes, count);
}
#endif
/* Initialize the SP caching once at startup */
void sp_cache_init()
{
pthread_mutex_init(&Cversion_lock, MY_MUTEX_INIT_FAST);
#ifdef HAVE_PSI_INTERFACE
init_sp_cache_psi_keys();
#endif
mysql_mutex_init(key_Cversion_lock, &Cversion_lock, MY_MUTEX_INIT_FAST);
}