/* Copyright (c) 2008, 2023, Oracle and/or its affiliates.
This program is free software ; you can redistribute it and / or modify
it under the terms of the GNU General Public License , version 2 . 0 ,
as published by the Free Software Foundation .
This program is also distributed with certain software ( including
but not limited to OpenSSL ) that is licensed under separate terms ,
as designated in a particular file or component or in included license
documentation . The authors of MySQL hereby grant you an additional
permission to link the program and your derivative works with the
separately licensed software that they have included with MySQL .
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 , version 2 . 0 , 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 ,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1335 USA */
#ifndef PFS_H
#define PFS_H
#include <cstdint>
/**
@ file storage / perfschema / pfs . h
Performance schema instrumentation ( declarations ) .
*/
typedef std::uint64_t pfs_identity;
#define HAVE_PSI_1
#include <my_global.h>
#include "my_thread.h"
#include <mysql/psi/psi.h>
/**
Entry point to the performance schema implementation .
This singleton is used to discover the performance schema services .
*/
extern struct PSI_bootstrap PFS_bootstrap;
/** Performance schema Thread Local Storage key. */
struct PFS_thread;
extern MY_THREAD_LOCAL PFS_thread* THR_PFS;
extern MY_THREAD_LOCAL void * THR_PFS_VG; // global_variables
extern MY_THREAD_LOCAL void * THR_PFS_SV; // session_variables
extern MY_THREAD_LOCAL void * THR_PFS_VBT; // variables_by_thread
extern MY_THREAD_LOCAL void * THR_PFS_SG; // global_status
extern MY_THREAD_LOCAL void * THR_PFS_SS; // session_status
extern MY_THREAD_LOCAL void * THR_PFS_SBT; // status_by_thread
extern MY_THREAD_LOCAL void * THR_PFS_SBU; // status_by_user
extern MY_THREAD_LOCAL void * THR_PFS_SBA; // status_by_host
extern MY_THREAD_LOCAL void * THR_PFS_SBH; // status_by_account
#define PSI_VOLATILITY_UNKNOWN 0
#define PSI_VOLATILITY_SESSION 1
#define PSI_COUNT_VOLATILITY 2
#endif
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