/* Copyright (c) 2013, 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, Suite 500, Boston, MA 02110-1335 USA */
/**
@ file storage / perfschema / pfs_memory . cc
Memory statistics aggregation ( implementation ) .
*/
#include "my_global.h"
#include "my_sys.h"
#include "pfs_global.h"
#include "pfs_instr_class.h"
#include "pfs_instr.h"
#include "pfs_account.h"
#include "pfs_host.h"
#include "pfs_user.h"
#include "pfs_buffer_container.h"
#include "m_string.h"
static void fct_reset_memory_by_thread(PFS_thread *pfs)
{
PFS_account *account= sanitize_account(pfs->m_account);
PFS_user *user= sanitize_user(pfs->m_user);
PFS_host *host= sanitize_host(pfs->m_host);
aggregate_thread_memory(true , pfs, account, user, host);
}
/** Reset table MEMORY_SUMMARY_BY_THREAD_BY_EVENT_NAME data. */
void reset_memory_by_thread()
{
global_thread_container.apply(fct_reset_memory_by_thread);
}
static void fct_reset_memory_by_account(PFS_account *pfs)
{
PFS_user *user= sanitize_user(pfs->m_user);
PFS_host *host= sanitize_host(pfs->m_host);
pfs->aggregate_memory(true , user, host);
}
/** Reset table MEMORY_SUMMARY_BY_ACCOUNT_BY_EVENT_NAME data. */
void reset_memory_by_account()
{
global_account_container.apply(fct_reset_memory_by_account);
}
static void fct_reset_memory_by_user(PFS_user *pfs)
{
pfs->aggregate_memory(true );
}
/** Reset table MEMORY_SUMMARY_BY_USER_BY_EVENT_NAME data. */
void reset_memory_by_user()
{
global_user_container.apply(fct_reset_memory_by_user);
}
static void fct_reset_memory_by_host(PFS_host *pfs)
{
pfs->aggregate_memory(true );
}
/** Reset table MEMORY_SUMMARY_BY_HOST_BY_EVENT_NAME data. */
void reset_memory_by_host()
{
global_host_container.apply(fct_reset_memory_by_host);
}
/** Reset table MEMORY_GLOBAL_BY_EVENT_NAME data. */
void reset_memory_global()
{
PFS_memory_stat *stat= global_instr_class_memory_array;
PFS_memory_stat *stat_last= global_instr_class_memory_array + memory_class_max;
for ( ; stat < stat_last; stat++)
stat->rebase();
}
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(vorverarbeitet am 2026-10-08)
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