mariadb/mysys/psi_noop.c
2021-08-31 08:36:59 +03:00

778 lines
18 KiB
C

/* Copyright (c) 2011, 2015, 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 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, Fifth Floor, Boston, MA 02110-1335 USA */
/*
Always provide the noop performance interface, for plugins.
*/
#define USE_PSI_V1
#define HAVE_PSI_INTERFACE
#include "my_global.h"
#include "my_pthread.h"
#include "my_sys.h"
#include "mysql/psi/psi.h"
C_MODE_START
#define NNN __attribute__((unused))
static void register_mutex_noop(const char *category NNN,
PSI_mutex_info *info NNN,
int count NNN)
{
return;
}
static void register_rwlock_noop(const char *category NNN,
PSI_rwlock_info *info NNN,
int count NNN)
{
return;
}
static void register_cond_noop(const char *category NNN,
PSI_cond_info *info NNN,
int count NNN)
{
return;
}
static void register_thread_noop(const char *category NNN,
PSI_thread_info *info NNN,
int count NNN)
{
return;
}
static void register_file_noop(const char *category NNN,
PSI_file_info *info NNN,
int count NNN)
{
return;
}
static void register_stage_noop(const char *category NNN,
PSI_stage_info **info_array NNN,
int count NNN)
{
return;
}
static void register_statement_noop(const char *category NNN,
PSI_statement_info *info NNN,
int count NNN)
{
return;
}
static void register_socket_noop(const char *category NNN,
PSI_socket_info *info NNN,
int count NNN)
{
return;
}
static PSI_mutex*
init_mutex_noop(PSI_mutex_key key NNN, void *identity NNN)
{
return NULL;
}
static void destroy_mutex_noop(PSI_mutex* mutex NNN)
{
return;
}
static PSI_rwlock*
init_rwlock_noop(PSI_rwlock_key key NNN, void *identity NNN)
{
return NULL;
}
static void destroy_rwlock_noop(PSI_rwlock* rwlock NNN)
{
return;
}
static PSI_cond*
init_cond_noop(PSI_cond_key key NNN, void *identity NNN)
{
return NULL;
}
static void destroy_cond_noop(PSI_cond* cond NNN)
{
return;
}
static PSI_socket*
init_socket_noop(PSI_socket_key key NNN, const my_socket *fd NNN,
const struct sockaddr *addr NNN, socklen_t addr_len NNN)
{
return NULL;
}
static void destroy_socket_noop(PSI_socket* socket NNN)
{
return;
}
static PSI_table_share*
get_table_share_noop(my_bool temporary NNN, struct TABLE_SHARE *share NNN)
{
return NULL;
}
static void release_table_share_noop(PSI_table_share* share NNN)
{
return;
}
static void
drop_table_share_noop(my_bool temporary NNN, const char *schema_name NNN,
int schema_name_length NNN, const char *table_name NNN,
int table_name_length NNN)
{
return;
}
static PSI_table*
open_table_noop(PSI_table_share *share NNN, const void *identity NNN)
{
return NULL;
}
static void unbind_table_noop(PSI_table *table NNN)
{
return;
}
static PSI_table*
rebind_table_noop(PSI_table_share *share NNN,
const void *identity NNN,
PSI_table *table NNN)
{
return NULL;
}
static void close_table_noop(PSI_table *table NNN)
{
return;
}
static void create_file_noop(PSI_file_key key NNN,
const char *name NNN, File file NNN)
{
return;
}
static int spawn_thread_noop(PSI_thread_key key NNN,
pthread_t *thread NNN,
const pthread_attr_t *attr NNN,
void *(*start_routine)(void*) NNN, void *arg NNN)
{
return pthread_create(thread, attr, start_routine, arg);
}
static PSI_thread*
new_thread_noop(PSI_thread_key key NNN,
const void *identity NNN, ulonglong thread_id NNN)
{
return NULL;
}
static void set_thread_id_noop(PSI_thread *thread NNN, ulonglong id NNN)
{
return;
}
static PSI_thread*
get_thread_noop(void NNN)
{
return NULL;
}
static void set_thread_user_noop(const char *user NNN, int user_len NNN)
{
return;
}
static void set_thread_user_host_noop(const char *user NNN, int user_len NNN,
const char *host NNN, int host_len NNN)
{
return;
}
static void set_thread_db_noop(const char* db NNN, int db_len NNN)
{
return;
}
static void set_thread_command_noop(int command NNN)
{
return;
}
static void set_thread_start_time_noop(time_t start_time NNN)
{
return;
}
static void set_thread_state_noop(const char* state NNN)
{
return;
}
static void set_thread_info_noop(const char* info NNN, uint info_len NNN)
{
return;
}
static void set_thread_noop(PSI_thread* thread NNN)
{
return;
}
static void delete_current_thread_noop(void)
{
return;
}
static void delete_thread_noop(PSI_thread *thread NNN)
{
return;
}
static PSI_file_locker*
get_thread_file_name_locker_noop(PSI_file_locker_state *state NNN,
PSI_file_key key NNN,
enum PSI_file_operation op NNN,
const char *name NNN, const void *identity NNN)
{
return NULL;
}
static PSI_file_locker*
get_thread_file_stream_locker_noop(PSI_file_locker_state *state NNN,
PSI_file *file NNN,
enum PSI_file_operation op NNN)
{
return NULL;
}
static PSI_file_locker*
get_thread_file_descriptor_locker_noop(PSI_file_locker_state *state NNN,
File file NNN,
enum PSI_file_operation op NNN)
{
return NULL;
}
static void unlock_mutex_noop(PSI_mutex *mutex NNN)
{
return;
}
static void unlock_rwlock_noop(PSI_rwlock *rwlock NNN)
{
return;
}
static void signal_cond_noop(PSI_cond* cond NNN)
{
return;
}
static void broadcast_cond_noop(PSI_cond* cond NNN)
{
return;
}
static PSI_idle_locker*
start_idle_wait_noop(PSI_idle_locker_state* state NNN,
const char *src_file NNN, uint src_line NNN)
{
return NULL;
}
static void end_idle_wait_noop(PSI_idle_locker* locker NNN)
{
return;
}
static PSI_mutex_locker*
start_mutex_wait_noop(PSI_mutex_locker_state *state NNN,
PSI_mutex *mutex NNN,
PSI_mutex_operation op NNN,
const char *src_file NNN, uint src_line NNN)
{
return NULL;
}
static void end_mutex_wait_noop(PSI_mutex_locker* locker NNN, int rc NNN)
{
return;
}
static PSI_rwlock_locker*
start_rwlock_rdwait_noop(struct PSI_rwlock_locker_state_v1 *state NNN,
struct PSI_rwlock *rwlock NNN,
enum PSI_rwlock_operation op NNN,
const char *src_file NNN, uint src_line NNN)
{
return NULL;
}
static void end_rwlock_rdwait_noop(PSI_rwlock_locker* locker NNN, int rc NNN)
{
return;
}
static struct PSI_rwlock_locker*
start_rwlock_wrwait_noop(struct PSI_rwlock_locker_state_v1 *state NNN,
struct PSI_rwlock *rwlock NNN,
enum PSI_rwlock_operation op NNN,
const char *src_file NNN, uint src_line NNN)
{
return NULL;
}
static void end_rwlock_wrwait_noop(PSI_rwlock_locker* locker NNN, int rc NNN)
{
return;
}
static struct PSI_cond_locker*
start_cond_wait_noop(struct PSI_cond_locker_state_v1 *state NNN,
struct PSI_cond *cond NNN,
struct PSI_mutex *mutex NNN,
enum PSI_cond_operation op NNN,
const char *src_file NNN, uint src_line NNN)
{
return NULL;
}
static void end_cond_wait_noop(PSI_cond_locker* locker NNN, int rc NNN)
{
return;
}
static struct PSI_table_locker*
start_table_io_wait_noop(struct PSI_table_locker_state_v1 *state NNN,
struct PSI_table *table NNN,
enum PSI_table_io_operation op NNN,
uint index NNN,
const char *src_file NNN, uint src_line NNN)
{
return NULL;
}
static void end_table_io_wait_noop(PSI_table_locker* locker NNN)
{
return;
}
static struct PSI_table_locker*
start_table_lock_wait_noop(struct PSI_table_locker_state_v1 *state NNN,
struct PSI_table *table NNN,
enum PSI_table_lock_operation op NNN,
ulong flags NNN,
const char *src_file NNN, uint src_line NNN)
{
return NULL;
}
static void end_table_lock_wait_noop(PSI_table_locker* locker NNN)
{
return;
}
static void start_file_open_wait_noop(PSI_file_locker *locker NNN,
const char *src_file NNN,
uint src_line NNN)
{
return;
}
static PSI_file* end_file_open_wait_noop(PSI_file_locker *locker NNN,
void *result NNN)
{
return NULL;
}
static void end_file_open_wait_and_bind_to_descriptor_noop
(PSI_file_locker *locker NNN, File file NNN)
{
return;
}
static void start_file_wait_noop(PSI_file_locker *locker NNN,
size_t count NNN,
const char *src_file NNN,
uint src_line NNN)
{
return;
}
static void end_file_wait_noop(PSI_file_locker *locker NNN,
size_t count NNN)
{
return;
}
static void start_file_close_wait_noop(PSI_file_locker *locker NNN,
const char *src_file NNN,
uint src_line NNN)
{
return;
}
static void end_file_close_wait_noop(PSI_file_locker *locker NNN,
int result NNN)
{
return;
}
static void start_stage_noop(PSI_stage_key key NNN,
const char *src_file NNN, int src_line NNN)
{
return;
}
static void end_stage_noop(void)
{
return;
}
static PSI_statement_locker*
get_thread_statement_locker_noop(PSI_statement_locker_state *state NNN,
PSI_statement_key key NNN,
const void *charset NNN)
{
return NULL;
}
static PSI_statement_locker*
refine_statement_noop(PSI_statement_locker *locker NNN,
PSI_statement_key key NNN)
{
return NULL;
}
static void start_statement_noop(PSI_statement_locker *locker NNN,
const char *db NNN, uint db_len NNN,
const char *src_file NNN, uint src_line NNN)
{
return;
}
static void set_statement_text_noop(PSI_statement_locker *locker NNN,
const char *text NNN, uint text_len NNN)
{
return;
}
static void set_statement_lock_time_noop(PSI_statement_locker *locker NNN,
ulonglong count NNN)
{
return;
}
static void set_statement_rows_sent_noop(PSI_statement_locker *locker NNN,
ulonglong count NNN)
{
return;
}
static void set_statement_rows_examined_noop(PSI_statement_locker *locker NNN,
ulonglong count NNN)
{
return;
}
static void inc_statement_created_tmp_disk_tables_noop(PSI_statement_locker *locker NNN,
ulong count NNN)
{
return;
}
static void inc_statement_created_tmp_tables_noop(PSI_statement_locker *locker NNN,
ulong count NNN)
{
return;
}
static void inc_statement_select_full_join_noop(PSI_statement_locker *locker NNN,
ulong count NNN)
{
return;
}
static void inc_statement_select_full_range_join_noop(PSI_statement_locker *locker NNN,
ulong count NNN)
{
return;
}
static void inc_statement_select_range_noop(PSI_statement_locker *locker NNN,
ulong count NNN)
{
return;
}
static void inc_statement_select_range_check_noop(PSI_statement_locker *locker NNN,
ulong count NNN)
{
return;
}
static void inc_statement_select_scan_noop(PSI_statement_locker *locker NNN,
ulong count NNN)
{
return;
}
static void inc_statement_sort_merge_passes_noop(PSI_statement_locker *locker NNN,
ulong count NNN)
{
return;
}
static void inc_statement_sort_range_noop(PSI_statement_locker *locker NNN,
ulong count NNN)
{
return;
}
static void inc_statement_sort_rows_noop(PSI_statement_locker *locker NNN,
ulong count NNN)
{
return;
}
static void inc_statement_sort_scan_noop(PSI_statement_locker *locker NNN,
ulong count NNN)
{
return;
}
static void set_statement_no_index_used_noop(PSI_statement_locker *locker NNN)
{
return;
}
static void set_statement_no_good_index_used_noop(PSI_statement_locker *locker NNN)
{
return;
}
static void end_statement_noop(PSI_statement_locker *locker NNN,
void *stmt_da NNN)
{
return;
}
static PSI_socket_locker*
start_socket_wait_noop(PSI_socket_locker_state *state NNN,
PSI_socket *socket NNN,
PSI_socket_operation op NNN,
size_t count NNN,
const char *src_file NNN,
uint src_line NNN)
{
return NULL;
}
static void end_socket_wait_noop(PSI_socket_locker *locker NNN,
size_t count NNN)
{
return;
}
static void set_socket_state_noop(PSI_socket *socket NNN,
enum PSI_socket_state state NNN)
{
return;
}
static void set_socket_info_noop(PSI_socket *socket NNN,
const my_socket *fd NNN,
const struct sockaddr *addr NNN,
socklen_t addr_len NNN)
{
return;
}
static void set_socket_thread_owner_noop(PSI_socket *socket NNN)
{
return;
}
static struct PSI_digest_locker*
digest_start_noop(PSI_statement_locker *locker NNN)
{
return NULL;
}
static void
digest_end_noop(PSI_digest_locker *locker NNN,
const struct sql_digest_storage *digest NNN)
{
return;
}
static int
set_thread_connect_attrs_noop(const char *buffer NNN,
uint length NNN,
const void *from_cs NNN)
{
return 0;
}
static PSI PSI_noop=
{
register_mutex_noop,
register_rwlock_noop,
register_cond_noop,
register_thread_noop,
register_file_noop,
register_stage_noop,
register_statement_noop,
register_socket_noop,
init_mutex_noop,
destroy_mutex_noop,
init_rwlock_noop,
destroy_rwlock_noop,
init_cond_noop,
destroy_cond_noop,
init_socket_noop,
destroy_socket_noop,
get_table_share_noop,
release_table_share_noop,
drop_table_share_noop,
open_table_noop,
unbind_table_noop,
rebind_table_noop,
close_table_noop,
create_file_noop,
spawn_thread_noop,
new_thread_noop,
set_thread_id_noop,
get_thread_noop,
set_thread_user_noop,
set_thread_user_host_noop,
set_thread_db_noop,
set_thread_command_noop,
set_thread_start_time_noop,
set_thread_state_noop,
set_thread_info_noop,
set_thread_noop,
delete_current_thread_noop,
delete_thread_noop,
get_thread_file_name_locker_noop,
get_thread_file_stream_locker_noop,
get_thread_file_descriptor_locker_noop,
unlock_mutex_noop,
unlock_rwlock_noop,
signal_cond_noop,
broadcast_cond_noop,
start_idle_wait_noop,
end_idle_wait_noop,
start_mutex_wait_noop,
end_mutex_wait_noop,
start_rwlock_rdwait_noop,
end_rwlock_rdwait_noop,
start_rwlock_wrwait_noop,
end_rwlock_wrwait_noop,
start_cond_wait_noop,
end_cond_wait_noop,
start_table_io_wait_noop,
end_table_io_wait_noop,
start_table_lock_wait_noop,
end_table_lock_wait_noop,
start_file_open_wait_noop,
end_file_open_wait_noop,
end_file_open_wait_and_bind_to_descriptor_noop,
start_file_wait_noop,
end_file_wait_noop,
start_file_close_wait_noop,
end_file_close_wait_noop,
start_stage_noop,
end_stage_noop,
get_thread_statement_locker_noop,
refine_statement_noop,
start_statement_noop,
set_statement_text_noop,
set_statement_lock_time_noop,
set_statement_rows_sent_noop,
set_statement_rows_examined_noop,
inc_statement_created_tmp_disk_tables_noop,
inc_statement_created_tmp_tables_noop,
inc_statement_select_full_join_noop,
inc_statement_select_full_range_join_noop,
inc_statement_select_range_noop,
inc_statement_select_range_check_noop,
inc_statement_select_scan_noop,
inc_statement_sort_merge_passes_noop,
inc_statement_sort_range_noop,
inc_statement_sort_rows_noop,
inc_statement_sort_scan_noop,
set_statement_no_index_used_noop,
set_statement_no_good_index_used_noop,
end_statement_noop,
start_socket_wait_noop,
end_socket_wait_noop,
set_socket_state_noop,
set_socket_info_noop,
set_socket_thread_owner_noop,
digest_start_noop,
digest_end_noop,
set_thread_connect_attrs_noop
};
/**
Hook for the instrumentation interface.
Code implementing the instrumentation interface should register here.
*/
struct PSI_bootstrap *PSI_hook= NULL;
/**
Instance of the instrumentation interface for the MySQL server.
@todo This is currently a global variable, which is handy when
compiling instrumented code that is bundled with the server.
When dynamic plugin are truly supported, this variable will need
to be replaced by a macro, so that each XYZ plugin can have it's own
xyz_psi_server variable, obtained from PSI_bootstrap::get_interface()
with the version used at compile time for plugin XYZ.
*/
PSI *PSI_server= & PSI_noop;
/**
Global performance schema flag.
Indicate if the performance schema is enabled.
This flag is set at startup, and never changes.
*/
my_bool pfs_enabled= FALSE;
void set_psi_server(PSI *psi)
{
PSI_server= psi;
}
C_MODE_END