mirror of
https://github.com/MariaDB/server.git
synced 2025-01-17 04:22:27 +01:00
146 lines
4.2 KiB
C
146 lines
4.2 KiB
C
/* Copyright (c) 2008, 2011, 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 */
|
|
|
|
#ifndef PFS_EVENTS_WAITS_H
|
|
#define PFS_EVENTS_WAITS_H
|
|
|
|
/**
|
|
@file storage/perfschema/pfs_events_waits.h
|
|
Events waits data structures (declarations).
|
|
*/
|
|
|
|
#include "pfs_column_types.h"
|
|
#include "pfs_lock.h"
|
|
#include "pfs_events.h"
|
|
|
|
struct PFS_mutex;
|
|
struct PFS_rwlock;
|
|
struct PFS_cond;
|
|
struct PFS_table;
|
|
struct PFS_file;
|
|
struct PFS_thread;
|
|
struct PFS_socket;
|
|
struct PFS_instr_class;
|
|
struct PFS_table_share;
|
|
struct PFS_account;
|
|
struct PFS_user;
|
|
struct PFS_host;
|
|
|
|
/** Class of a wait event. */
|
|
enum events_waits_class
|
|
{
|
|
NO_WAIT_CLASS= 0,
|
|
WAIT_CLASS_MUTEX,
|
|
WAIT_CLASS_RWLOCK,
|
|
WAIT_CLASS_COND,
|
|
WAIT_CLASS_TABLE,
|
|
WAIT_CLASS_FILE,
|
|
WAIT_CLASS_SOCKET,
|
|
WAIT_CLASS_IDLE
|
|
};
|
|
|
|
/** A wait event record. */
|
|
struct PFS_events_waits : public PFS_events
|
|
{
|
|
/**
|
|
The type of wait.
|
|
Readers:
|
|
- the consumer threads.
|
|
Writers:
|
|
- the producer threads, in the instrumentation.
|
|
Out of bound Writers:
|
|
- TRUNCATE EVENTS_WAITS_CURRENT
|
|
- TRUNCATE EVENTS_WAITS_HISTORY
|
|
- TRUNCATE EVENTS_WAITS_HISTORY_LONG
|
|
*/
|
|
events_waits_class m_wait_class;
|
|
/** Executing thread. */
|
|
PFS_thread *m_thread;
|
|
/** Object type */
|
|
enum_object_type m_object_type;
|
|
/** Table share, for table operations only. */
|
|
PFS_table_share *m_weak_table_share;
|
|
/** File, for file operations only. */
|
|
PFS_file *m_weak_file;
|
|
/** Socket, for socket operations only. */
|
|
PFS_socket *m_weak_socket;
|
|
/** For weak pointers, target object version. */
|
|
uint32 m_weak_version;
|
|
/** Address in memory of the object instance waited on. */
|
|
const void *m_object_instance_addr;
|
|
/** Operation performed. */
|
|
enum_operation_type m_operation;
|
|
/**
|
|
Number of bytes read/written.
|
|
This member is populated for file READ/WRITE operations only.
|
|
*/
|
|
size_t m_number_of_bytes;
|
|
/**
|
|
Index used.
|
|
This member is populated for TABLE IO operations only.
|
|
*/
|
|
uint m_index;
|
|
/** Flags */
|
|
ulong m_flags;
|
|
};
|
|
|
|
/** TIMED bit in the state flags bitfield. */
|
|
#define STATE_FLAG_TIMED (1<<0)
|
|
/** THREAD bit in the state flags bitfield. */
|
|
#define STATE_FLAG_THREAD (1<<1)
|
|
/** EVENT bit in the state flags bitfield. */
|
|
#define STATE_FLAG_EVENT (1<<2)
|
|
/** DIGEST bit in the state flags bitfield. */
|
|
#define STATE_FLAG_DIGEST (1<<3)
|
|
|
|
void insert_events_waits_history(PFS_thread *thread, PFS_events_waits *wait);
|
|
|
|
void insert_events_waits_history_long(PFS_events_waits *wait);
|
|
|
|
extern bool flag_events_waits_current;
|
|
extern bool flag_events_waits_history;
|
|
extern bool flag_events_waits_history_long;
|
|
extern bool flag_global_instrumentation;
|
|
extern bool flag_thread_instrumentation;
|
|
|
|
extern bool events_waits_history_long_full;
|
|
extern volatile uint32 events_waits_history_long_index;
|
|
extern PFS_events_waits *events_waits_history_long_array;
|
|
extern ulong events_waits_history_long_size;
|
|
|
|
int init_events_waits_history_long(uint events_waits_history_long_sizing);
|
|
void cleanup_events_waits_history_long();
|
|
|
|
void reset_events_waits_current();
|
|
void reset_events_waits_history();
|
|
void reset_events_waits_history_long();
|
|
void reset_events_waits_by_thread();
|
|
void reset_events_waits_by_account();
|
|
void reset_events_waits_by_user();
|
|
void reset_events_waits_by_host();
|
|
void reset_events_waits_global();
|
|
void aggregate_account_waits(PFS_account *account);
|
|
void aggregate_user_waits(PFS_user *user);
|
|
void aggregate_host_waits(PFS_host *host);
|
|
|
|
void reset_table_waits_by_table();
|
|
void reset_table_io_waits_by_table();
|
|
void reset_table_lock_waits_by_table();
|
|
void reset_table_waits_by_table_handle();
|
|
void reset_table_io_waits_by_table_handle();
|
|
void reset_table_lock_waits_by_table_handle();
|
|
|
|
#endif
|
|
|