160 lines
3.5 KiB
C++
160 lines
3.5 KiB
C++
/* Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
|
|
|
|
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,
|
|
51 Franklin Street, Suite 500, Boston, MA 02110-1335 USA */
|
|
|
|
/**
|
|
@file storage/perfschema/pfs_status.cc
|
|
Status variables statistics (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_status.h"
|
|
#include "pfs_atomic.h"
|
|
#include "pfs_buffer_container.h"
|
|
|
|
#include "sql_show.h" /* reset_status_vars */
|
|
|
|
PFS_status_stats::PFS_status_stats()
|
|
{
|
|
reset();
|
|
}
|
|
|
|
void PFS_status_stats::reset()
|
|
{
|
|
m_has_stats= false;
|
|
memset(&m_stats, 0, sizeof(m_stats));
|
|
}
|
|
|
|
void PFS_status_stats::aggregate(const PFS_status_stats *from)
|
|
{
|
|
if (from->m_has_stats)
|
|
{
|
|
m_has_stats= true;
|
|
for (int i= 0; i < COUNT_GLOBAL_STATUS_VARS; i++)
|
|
{
|
|
m_stats[i] += from->m_stats[i];
|
|
}
|
|
}
|
|
}
|
|
|
|
void PFS_status_stats::aggregate_from(const STATUS_VAR *from)
|
|
{
|
|
ulonglong *from_var= (ulonglong*) from;
|
|
|
|
m_has_stats= true;
|
|
for (int i= 0;
|
|
i < COUNT_GLOBAL_STATUS_VARS;
|
|
i++, from_var++)
|
|
{
|
|
m_stats[i] += *from_var;
|
|
}
|
|
}
|
|
|
|
void PFS_status_stats::aggregate_to(STATUS_VAR *to)
|
|
{
|
|
if (m_has_stats)
|
|
{
|
|
ulonglong *to_var= (ulonglong*) to;
|
|
|
|
for (int i= 0;
|
|
i < COUNT_GLOBAL_STATUS_VARS;
|
|
i++, to_var++)
|
|
{
|
|
*to_var += m_stats[i];
|
|
}
|
|
}
|
|
}
|
|
|
|
static void fct_reset_status_by_thread(PFS_thread *thread)
|
|
{
|
|
PFS_account *account;
|
|
PFS_user *user;
|
|
PFS_host *host;
|
|
|
|
if (thread->m_lock.is_populated())
|
|
{
|
|
account= sanitize_account(thread->m_account);
|
|
user= sanitize_user(thread->m_user);
|
|
host= sanitize_host(thread->m_host);
|
|
aggregate_thread_status(thread, account, user, host);
|
|
}
|
|
}
|
|
|
|
/** Reset table STATUS_BY_THREAD data. */
|
|
void reset_status_by_thread()
|
|
{
|
|
global_thread_container.apply_all(fct_reset_status_by_thread);
|
|
}
|
|
|
|
static void fct_reset_status_by_account(PFS_account *account)
|
|
{
|
|
PFS_user *user;
|
|
PFS_host *host;
|
|
|
|
if (account->m_lock.is_populated())
|
|
{
|
|
user= sanitize_user(account->m_user);
|
|
host= sanitize_host(account->m_host);
|
|
account->aggregate_status(user, host);
|
|
}
|
|
}
|
|
|
|
/** Reset table STATUS_BY_ACCOUNT data. */
|
|
void reset_status_by_account()
|
|
{
|
|
global_account_container.apply_all(fct_reset_status_by_account);
|
|
}
|
|
|
|
static void fct_reset_status_by_user(PFS_user *user)
|
|
{
|
|
if (user->m_lock.is_populated())
|
|
user->aggregate_status();
|
|
}
|
|
|
|
/** Reset table STATUS_BY_USER data. */
|
|
void reset_status_by_user()
|
|
{
|
|
global_user_container.apply_all(fct_reset_status_by_user);
|
|
}
|
|
|
|
static void fct_reset_status_by_host(PFS_host *host)
|
|
{
|
|
if (host->m_lock.is_populated())
|
|
host->aggregate_status();
|
|
}
|
|
|
|
/** Reset table STATUS_BY_HOST data. */
|
|
void reset_status_by_host()
|
|
{
|
|
global_host_container.apply_all(fct_reset_status_by_host);
|
|
}
|
|
|
|
/** Reset table GLOBAL_STATUS data. */
|
|
void reset_global_status()
|
|
{
|
|
/*
|
|
Do not memset global_status_var,
|
|
NO_FLUSH counters need to be preserved
|
|
*/
|
|
reset_status_vars();
|
|
}
|
|
|