ha_perfschema.cc File Reference

Performance schema storage engine (implementation). More...

#include "storage/perfschema/ha_perfschema.h"
#include <string.h>
#include <atomic>
#include "lex_string.h"
#include "lf.h"
#include "m_string.h"
#include "my_alloc.h"
#include "my_compiler.h"
#include "my_dbug.h"
#include "my_inttypes.h"
#include "my_sys.h"
#include "mysql/components/services/pfs_plugin_table_service.h"
#include "mysql/plugin.h"
#include "mysql/status_var.h"
#include "mysql/strings/int2str.h"
#include "mysqld_error.h"
#include "nulls.h"
#include "sql/hostname_cache.h"
#include "sql/mysqld.h"
#include "sql/sql_class.h"
#include "sql/system_variables.h"
#include "sql/table.h"
#include "storage/perfschema/pfs_account.h"
#include "storage/perfschema/pfs_buffer_container.h"
#include "storage/perfschema/pfs_builtin_memory.h"
#include "storage/perfschema/pfs_column_values.h"
#include "storage/perfschema/pfs_dd_version.h"
#include "storage/perfschema/pfs_digest.h"
#include "storage/perfschema/pfs_engine_table.h"
#include "storage/perfschema/pfs_events_stages.h"
#include "storage/perfschema/pfs_events_statements.h"
#include "storage/perfschema/pfs_events_transactions.h"
#include "storage/perfschema/pfs_events_waits.h"
#include "storage/perfschema/pfs_global.h"
#include "storage/perfschema/pfs_host.h"
#include "storage/perfschema/pfs_instr.h"
#include "storage/perfschema/pfs_instr_class.h"
#include "storage/perfschema/pfs_program.h"
#include "storage/perfschema/pfs_setup_actor.h"
#include "storage/perfschema/pfs_setup_object.h"
#include "storage/perfschema/pfs_stat.h"
#include "storage/perfschema/pfs_user.h"

Namespaces
namespace	dd
	The version of the current data dictionary table definitions.

Macros
#define	PFS_ENABLED()    (pfs_initialized && (pfs_enabled || m_table_share->m_perpetual))
#define	IS_NATIVE_TABLE(X)   ((X)->m_st_table.open_table == NULL)

Functions
static void	lock_pfs_external_table_shares ()
static void	unlock_pfs_external_table_shares ()
static handler *	pfs_create_handler (handlerton *hton, TABLE_SHARE *table, bool, MEM_ROOT *mem_root)
static size_t	size_of_global_error_stat_buffer ()
static size_t	size_of_session_error_stat_buffer ()
static bool	pfs_show_status (handlerton *, THD *thd, stat_print_fn *print, enum ha_stat_type stat)
	SHOW ENGINE PERFORMANCE_SCHEMA STATUS. More...
static void	inc_ref_count (PFS_engine_table_share *share)
static void	dec_ref_count (PFS_engine_table_share *share)
static int	compare_database_names (const char *name1, const char *name2)
static PFS_engine_table_share *	find_table_share (const char *db, const char *name)
static bool	pfs_dict_init (dict_init_mode_t dict_init_mode, uint version, List< const Plugin_table > *tables, List< const Plugin_tablespace > *tablespaces)
	Initialize Performance Schema tables in the Data Dictionary. More...
static bool	pfs_sdi_set_ignored (handlerton *, const dd::Tablespace &, const dd::Table *, const sdi_key_t *, const void *, uint64)
static bool	pfs_sdi_delete_ignored (const dd::Tablespace &, const dd::Table *, const sdi_key_t *)
static bool	pfs_sdi_get_ignored (const dd::Tablespace &, const sdi_key_t *, void *, uint64 *)
static bool	pfs_sdi_create_ignored (dd::Tablespace *)
static bool	pfs_sdi_drop_ignored (dd::Tablespace *)
static bool	pfs_sdi_get_keys_ignored (const dd::Tablespace &, sdi_vector_t &)
void	pfs_sdi_disable ()
void	pfs_sdi_enable ()
static int	pfs_init_func (void *p)
static int	pfs_done_func (void *)
static int	show_func_mutex_instances_lost (THD *, SHOW_VAR *var, char *buff)
	mysql_declare_plugin (perfschema)

Variables
handlerton *	pfs_hton = nullptr
static SHOW_VAR	pfs_status_vars []
struct st_mysql_storage_engine	pfs_storage_engine
const char *	pfs_engine_name = "PERFORMANCE_SCHEMA"
	Name of the performance schema engine. More...
	mysql_declare_plugin_end

Detailed Description

Performance schema storage engine (implementation).

Macro Definition Documentation

IS_NATIVE_TABLE

#define IS_NATIVE_TABLE

(

X

)

((X)->m_st_table.open_table == NULL)

PFS_ENABLED

#define PFS_ENABLED

(

)

(pfs_initialized && (pfs_enabled || m_table_share->m_perpetual))

Function Documentation

compare_database_names()

static int compare_database_names ( const char *  name1, const char *  name2  )

static

dec_ref_count()

static void dec_ref_count ( PFS_engine_table_share *  share )

static

find_table_share()

static PFS_engine_table_share * find_table_share ( const char *  db, const char *  name  )

static

inc_ref_count()

static void inc_ref_count ( PFS_engine_table_share *  share )

static

lock_pfs_external_table_shares()

static void lock_pfs_external_table_shares ( )

static

mysql_declare_plugin()

mysql_declare_plugin

(

perfschema

)

pfs_create_handler()

static handler * pfs_create_handler ( handlerton *  hton, TABLE_SHARE *  table, bool  , MEM_ROOT *  mem_root  )

static

pfs_dict_init()

static bool pfs_dict_init ( dict_init_mode_t  dict_init_mode, uint  version, List< const Plugin_table > *  tables, List< const Plugin_tablespace > *  tablespaces  )

static

Initialize Performance Schema tables in the Data Dictionary.

Create strings representing the required performance schema tables, i.e. tables that InnoDB expects to exist in the DD, and add them to the appropriate out parameter.

Parameters

[in]	dict_init_mode	How to initialize files
[in]	version	Target DD version if a new server is being installed. 0 if restarting an existing server.
[out]	tables	List of SQL DDL statements for creating DD tables that are needed by the DDSE.
[out]	tablespaces	List of meta data for predefined tablespaces created by the DDSE.

Return values

true	An error occurred.
false	Success - no errors.

pfs_done_func()

static int pfs_done_func ( void *  )

static

pfs_init_func()

static int pfs_init_func ( void *  p )

static

pfs_sdi_create_ignored()

static bool pfs_sdi_create_ignored ( dd::Tablespace *  )

static

pfs_sdi_delete_ignored()

static bool pfs_sdi_delete_ignored ( const dd::Tablespace &  , const dd::Table *  , const sdi_key_t *    )

static

pfs_sdi_disable()

void pfs_sdi_disable

(

)

pfs_sdi_drop_ignored()

static bool pfs_sdi_drop_ignored ( dd::Tablespace *  )

static

pfs_sdi_enable()

void pfs_sdi_enable

(

)

pfs_sdi_get_ignored()

static bool pfs_sdi_get_ignored ( const dd::Tablespace &  , const sdi_key_t *  , void *  , uint64 *    )

static

pfs_sdi_get_keys_ignored()

static bool pfs_sdi_get_keys_ignored ( const dd::Tablespace &  , sdi_vector_t &    )

static

pfs_sdi_set_ignored()

static bool pfs_sdi_set_ignored ( handlerton *  , const dd::Tablespace &  , const dd::Table *  , const sdi_key_t *  , const void *  , uint64    )

static

pfs_show_status()

static bool pfs_show_status ( handlerton *  , THD *  thd, stat_print_fn *  print, enum ha_stat_type  stat  )

static

SHOW ENGINE PERFORMANCE_SCHEMA STATUS.

Parameters

thd	Current thread
print	Print function
stat	status to show

show_func_mutex_instances_lost()

static int show_func_mutex_instances_lost ( THD *  , SHOW_VAR *  var, char *  buff  )

static

size_of_global_error_stat_buffer()

static size_t size_of_global_error_stat_buffer ( )

static

size_of_session_error_stat_buffer()

static size_t size_of_session_error_stat_buffer ( )

static

unlock_pfs_external_table_shares()

static void unlock_pfs_external_table_shares ( )

static

Variable Documentation

mysql_declare_plugin_end

mysql_declare_plugin_end

pfs_hton

handlerton* pfs_hton = nullptr

pfs_status_vars

SHOW_VAR pfs_status_vars[]

static

pfs_storage_engine

struct st_mysql_storage_engine pfs_storage_engine

Initial value:

= {
    MYSQL_HANDLERTON_INTERFACE_VERSION}