debug_lock_order.cc File Reference

#include <stddef.h>
#include <string.h>
#include <my_stacktrace.h>
#include "my_alloc.h"
#include "my_psi_config.h"
#include "my_thread.h"
#include "mysql/psi/psi_cond.h"
#include "mysql/psi/psi_file.h"
#include "mysql/psi/psi_idle.h"
#include "mysql/psi/psi_mutex.h"
#include "mysql/psi/psi_rwlock.h"
#include "mysql/psi/psi_statement.h"
#include "mysql/psi/psi_thread.h"
#include "mysqld.h"
#include "mysqld_error.h"
#include "sql/debug_lock_order.h"
#include "sql/debug_lo_misc.h"
#include "sql/debug_lo_parser.h"
#include "sql/debug_lo_scanner.h"
#include "mysql/components/services/log_builtins.h"
#include <execinfo.h>
#include <algorithm>
#include <list>
#include <map>
#include <set>
#include <stack>
#include <vector>

Classes
class	LO_class
struct	tarjan_scc_state
struct	graph_search_state
class	LO_node
class	LO_node_finder
class	LO_arc
class	LO_graph
class	LO_lock
class	LO_thread_class
class	LO_thread
class	LO_mutex_class
class	LO_mutex
class	LO_mutex_locker
class	LO_mutex_lock
class	LO_rwlock_class
class	LO_rwlock_class_pr
class	LO_rwlock_class_rw
class	LO_rwlock_class_sx
struct	LO_rwlock_proxy
class	LO_rwlock
class	LO_rwlock_pr
class	LO_rwlock_rw
class	LO_rwlock_sx
class	LO_rwlock_locker
class	LO_rwlock_lock
class	LO_rwlock_lock_pr
class	LO_rwlock_lock_rw
class	LO_rwlock_lock_sx
class	LO_cond_class
class	LO_cond
class	LO_cond_locker
class	LO_cond_wait
class	LO_file_class
class	LO_file
class	LO_file_locker
class	SCC_visitor
class	SCC_all
class	SCC_filter
class	LO_stack_trace
class	LO_spawn_thread_arg

Macros
#define	safe_snprintf(B, S, F, ...)
#define	LO_MAX_THREAD_CLASS   100
#define	LO_MAX_MUTEX_CLASS   350
#define	LO_MAX_RWLOCK_CLASS   100
#define	LO_MAX_COND_CLASS   150
#define	LO_MAX_FILE_CLASS   100
#define	LO_MAX_NODE_NUMBER
#define	LO_THREAD_RANGE   0
#define	LO_MUTEX_RANGE   1000
#define	LO_RWLOCK_RANGE   2000
#define	LO_COND_RANGE   3000
#define	LO_FILE_RANGE   4000
#define	LO_MAX_QNAME_LENGTH   128
#define	STATE_NAME_LENGTH   80
	Buffer size to safely print " STATE <state>". More...
#define	OPERATION_NAME_LENGTH   80
	Buffer size to safely print " RECURSIVE OP <operation>". More...

Typedefs
typedef std::list< LO_mutex_lock * >	LO_mutex_lock_list
typedef std::list< LO_rwlock_lock * >	LO_rwlock_lock_list
typedef std::list< LO_node * >	LO_node_list
typedef std::list< LO_arc * >	LO_arc_list
typedef std::list< LO_authorised_arc * >	LO_authorised_arc_list
typedef std::list< LO_thread * >	LO_thread_list

Enumerations
enum	LO_node_type { NODE_TYPE_MUTEX , NODE_TYPE_RWLOCK , NODE_TYPE_COND , NODE_TYPE_FILE }

Functions
int	LOCK_ORDER_parse (struct LO_parser_param *param)
static void	print_file (FILE *file, const char *format,...)
static void	debug_lock_order_break_here (const char *why)
static char *	deep_copy_string (const char *src)
static void	destroy_string (char *src)
static LO_authorised_arc *	deep_copy_arc (const LO_authorised_arc *src)
static void	destroy_arc (LO_authorised_arc *arc)
static LO_thread *	get_THR_LO ()
static void	set_THR_LO (LO_thread *lo)
static void	lo_register_mutex (const char *category, PSI_mutex_info *info, int count)
static void	lo_register_rwlock (const char *category, PSI_rwlock_info *info, int count)
static void	lo_register_cond (const char *category, PSI_cond_info *info, int count)
static void	lo_register_thread (const char *category, PSI_thread_info *info, int count)
static void	lo_register_file (const char *category, PSI_file_info *info, int count)
static void	lo_register_statement (const char *category, PSI_statement_info *info, int count)
static PSI_mutex *	lo_init_mutex (PSI_mutex_key key, const void *identity)
static void	lo_destroy_mutex (PSI_mutex *mutex)
static PSI_rwlock *	lo_init_rwlock (PSI_rwlock_key key, const void *identity)
static void	lo_destroy_rwlock (PSI_rwlock *rwlock)
static PSI_cond *	lo_init_cond (PSI_cond_key key, const void *identity)
static void	lo_destroy_cond (PSI_cond *cond)
static void	lo_file_bindings_insert (size_t index, LO_file *lo_file)
static LO_file *	lo_file_bindings_find (size_t index, bool remove)
static void	lo_create_file (PSI_file_key key, const char *name, File file)
void *	lo_spawn_thread_fct (void *arg)
static int	lo_spawn_thread (PSI_thread_key key, PSI_thread_seqnum seqnum, my_thread_handle *thread, const my_thread_attr_t *attr, void *(*start_routine)(void *), void *arg)
static PSI_thread *	lo_new_thread (PSI_thread_key key, PSI_thread_seqnum seqnum, const void *identity, ulonglong processlist_id)
static void	lo_set_thread_id (PSI_thread *thread, ulonglong id)
static ulonglong	lo_get_current_thread_internal_id ()
static ulonglong	lo_get_thread_internal_id (PSI_thread *thread)
static PSI_thread *	lo_get_thread_by_id (ulonglong processlist_id)
static void	lo_set_thread_THD (PSI_thread *thread, THD *thd)
static void	lo_set_thread_os_id (PSI_thread *thread)
static PSI_thread *	lo_get_thread (void)
static void	lo_set_thread_user (const char *user, int user_len)
static void	lo_set_thread_account (const char *user, int user_len, const char *host, int host_len)
static void	lo_set_thread_db (const char *db, int db_len)
static void	lo_set_thread_command (int command)
static void	lo_set_connection_type (opaque_vio_type conn_type)
static void	lo_set_thread_start_time (time_t start_time)
static void	lo_set_thread_info (const char *info, uint info_len)
static void	lo_set_thread_secondary_engine (bool secondary)
static int	lo_set_thread_resource_group (const char *group_name, int group_name_len, void *user_data)
static int	lo_set_thread_resource_group_by_id (PSI_thread *thread, ulonglong thread_id, const char *group_name, int group_name_len, void *user_data)
static void	lo_set_thread_peer_port (PSI_thread *thread, uint port)
static void	lo_set_thread (PSI_thread *thread)
static void	lo_aggregate_thread_status (PSI_thread *thread)
static void	lo_delete_current_thread (void)
static void	lo_delete_thread (PSI_thread *thread)
static PSI_file_locker *	lo_get_thread_file_name_locker (PSI_file_locker_state *state, PSI_file_key key, PSI_file_operation op, const char *name, const void *identity)
static PSI_file_locker *	lo_get_thread_file_stream_locker (PSI_file_locker_state *state, PSI_file *file, PSI_file_operation op)
static PSI_file_locker *	lo_get_thread_file_descriptor_locker (PSI_file_locker_state *state, File file, PSI_file_operation op)
static void	lo_unlock_mutex (PSI_mutex *mutex)
static void	lo_unlock_rwlock (PSI_rwlock *rwlock, PSI_rwlock_operation op)
static void	lo_signal_cond (PSI_cond *cond)
static void	lo_broadcast_cond (PSI_cond *cond)
static PSI_idle_locker *	lo_start_idle_wait (PSI_idle_locker_state *state, const char *src_file, uint src_line)
static void	lo_end_idle_wait (PSI_idle_locker *locker)
static PSI_mutex_locker *	lo_start_mutex_wait (PSI_mutex_locker_state *state, PSI_mutex *mutex, PSI_mutex_operation op, const char *src_file, uint src_line)
void	lo_end_mutex_wait (PSI_mutex_locker *locker, int rc)
static PSI_rwlock_locker *	lo_start_rwlock_rdwait (PSI_rwlock_locker_state *state, PSI_rwlock *rwlock, PSI_rwlock_operation op, const char *src_file, uint src_line)
static void	lo_end_rwlock_rdwait (PSI_rwlock_locker *locker, int rc)
static PSI_rwlock_locker *	lo_start_rwlock_wrwait (PSI_rwlock_locker_state *state, PSI_rwlock *rwlock, PSI_rwlock_operation op, const char *src_file, uint src_line)
static void	lo_end_rwlock_wrwait (PSI_rwlock_locker *locker, int rc)
static PSI_cond_locker *	lo_start_cond_wait (PSI_cond_locker_state *state, PSI_cond *cond, PSI_mutex *mutex, PSI_cond_operation op, const char *src_file, uint src_line)
static void	lo_end_cond_wait (PSI_cond_locker *locker, int rc)
static PSI_statement_locker *	lo_get_thread_statement_locker (PSI_statement_locker_state *state, PSI_statement_key key, const void *cs, PSI_sp_share *sp_share)
static PSI_statement_locker *	lo_refine_statement (PSI_statement_locker *locker, PSI_statement_key key)
static void	lo_start_statement (PSI_statement_locker *locker, const char *db, uint db_len, const char *src_file, uint src_line)
static void	lo_set_statement_text (PSI_statement_locker *locker, const char *text, uint text_len)
static void	lo_set_statement_query_id (PSI_statement_locker *locker, ulonglong query_id)
static void	lo_set_statement_lock_time (PSI_statement_locker *locker, ulonglong count)
static void	lo_set_statement_rows_sent (PSI_statement_locker *locker, ulonglong count)
static void	lo_set_statement_rows_examined (PSI_statement_locker *locker, ulonglong count)
static void	lo_inc_statement_created_tmp_disk_tables (PSI_statement_locker *locker, ulong count)
static void	lo_inc_statement_created_tmp_tables (PSI_statement_locker *locker, ulong count)
static void	lo_inc_statement_select_full_join (PSI_statement_locker *locker, ulong count)
static void	lo_inc_statement_select_full_range_join (PSI_statement_locker *locker, ulong count)
static void	lo_inc_statement_select_range (PSI_statement_locker *locker, ulong count)
static void	lo_inc_statement_select_range_check (PSI_statement_locker *locker, ulong count)
static void	lo_inc_statement_select_scan (PSI_statement_locker *locker, ulong count)
static void	lo_inc_statement_sort_merge_passes (PSI_statement_locker *locker, ulong count)
static void	lo_inc_statement_sort_range (PSI_statement_locker *locker, ulong count)
static void	lo_inc_statement_sort_rows (PSI_statement_locker *locker, ulong count)
static void	lo_inc_statement_sort_scan (PSI_statement_locker *locker, ulong count)
static void	lo_set_statement_no_index_used (PSI_statement_locker *locker)
static void	lo_set_statement_no_good_index_used (PSI_statement_locker *locker)
static void	lo_set_statement_secondary_engine (PSI_statement_locker *locker, bool secondary)
static void	lo_end_statement (PSI_statement_locker *locker, void *stmt_da)
PSI_prepared_stmt *	lo_create_prepared_stmt (void *identity, uint stmt_id, PSI_statement_locker *locker, const char *stmt_name, size_t stmt_name_length, const char *sql_text, size_t sql_text_length)
void	lo_destroy_prepared_stmt (PSI_prepared_stmt *prepared_stmt)
void	lo_reprepare_prepared_stmt (PSI_prepared_stmt *prepared_stmt)
void	lo_execute_prepared_stmt (PSI_statement_locker *locker, PSI_prepared_stmt *ps)
void	lo_set_prepared_stmt_text (PSI_prepared_stmt *prepared_stmt, const char *text, uint text_len)
void	lo_set_prepared_stmt_secondary_engine (PSI_prepared_stmt *prepared_stmt, bool secondary)
PSI_sp_share *	lo_get_sp_share (uint sp_type, const char *schema_name, uint schema_name_length, const char *object_name, uint object_name_length)
void	lo_release_sp_share (PSI_sp_share *s)
PSI_sp_locker *	lo_start_sp (PSI_sp_locker_state *state, PSI_sp_share *sp_share)
void	lo_end_sp (PSI_sp_locker *locker)
void	lo_drop_sp (uint sp_type, const char *schema_name, uint schema_name_length, const char *object_name, uint object_name_length)
void	lo_notify_statement_query_attributes (struct PSI_statement_locker *locker, bool with_query_attributes)
void	lo_statement_abort_telemetry (struct PSI_statement_locker *locker)
static void	lo_start_file_open_wait (PSI_file_locker *locker, const char *src_file, uint src_line)
static PSI_file *	lo_end_file_open_wait (PSI_file_locker *locker, void *result)
static void	lo_end_file_open_wait_and_bind_to_descriptor (PSI_file_locker *locker, File file)
static void	lo_end_temp_file_open_wait_and_bind_to_descriptor (PSI_file_locker *locker, File file, const char *filename)
static void	lo_start_file_wait (PSI_file_locker *locker, size_t count, const char *src_file, uint src_line)
static void	lo_end_file_wait (PSI_file_locker *locker, size_t count)
static void	lo_start_file_close_wait (PSI_file_locker *locker, const char *src_file, uint src_line)
static void	lo_end_file_close_wait (PSI_file_locker *locker, int rc)
static void	lo_start_file_rename_wait (PSI_file_locker *locker, size_t count, const char *old_name, const char *new_name, const char *src_file, uint src_line)
static void	lo_end_file_rename_wait (PSI_file_locker *locker, const char *old_name, const char *new_name, int rc)
static PSI_digest_locker *	lo_digest_start (PSI_statement_locker *locker)
static void	lo_digest_end (PSI_digest_locker *locker, const sql_digest_storage *digest)
static int	lo_set_thread_connect_attrs (const char *a, uint b, const void *c)
static void	lo_get_current_thread_event_id (ulonglong *thread_internal_id, ulonglong *event_id)
static void	lo_get_thread_event_id (PSI_thread *psi, ulonglong *thread_internal_id, ulonglong *event_id)
static int	lo_get_thread_system_attrs (PSI_thread_attrs *thread_attrs)
static int	lo_get_thread_system_attrs_by_id (PSI_thread *thread, ulonglong thread_id, PSI_thread_attrs *thread_attrs)
static int	lo_register_notification (const PSI_notification *callbacks, bool with_ref_count)
static int	lo_unregister_notification (int handle)
static void	lo_notify_session_connect (PSI_thread *thread)
static void	lo_notify_session_disconnect (PSI_thread *thread)
static void	lo_notify_session_change_user (PSI_thread *thread)
static void	lo_set_mem_cnt_THD (THD *thd, THD **backup_thd)
static void	lo_detect_telemetry (PSI_thread *thread)
static void	lo_abort_telemetry (PSI_thread *thread)
static void *	lo_get_thread_interface (int version)
static void *	lo_get_mutex_interface (int version)
static void *	lo_get_rwlock_interface (int version)
static void *	lo_get_cond_interface (int version)
static void *	lo_get_file_interface (int version)
static void *	lo_get_idle_interface (int version)
static void *	lo_get_statement_interface (int version)
int	LO_load_graph (LO_graph *g)
int	LO_init (LO_global_param *param, PSI_thread_bootstrap **thread_bootstrap, PSI_mutex_bootstrap **mutex_bootstrap, PSI_rwlock_bootstrap **rwlock_bootstrap, PSI_cond_bootstrap **cond_bootstrap, PSI_file_bootstrap **file_bootstrap, PSI_socket_bootstrap **, PSI_table_bootstrap **, PSI_mdl_bootstrap **, PSI_idle_bootstrap **idle_bootstrap, PSI_stage_bootstrap **, PSI_statement_bootstrap **statement_bootstrap, PSI_transaction_bootstrap **, PSI_memory_bootstrap **)
int	LO_load_dependencies (LO_graph *g, const char *filename)
void	LO_add_authorised_arc (LO_graph *g, const LO_authorised_arc *arc)
void	LO_add_node_properties (LO_graph *g, const LO_node_properties *prop)
void	LO_activate ()
void	LO_dump ()
void	LO_cleanup ()
PSI_thread *	LO_get_chain_thread (PSI_thread *thread)

Variables
static bool	g_internal_debug = false
static bool	g_with_rwlock = true
FILE *	out_log = nullptr
FILE *	out_txt = nullptr
native_mutex_t	serialize
native_mutex_t	serialize_logs
bool	check_activated = false
static int	debugger_calls = 0
static uint	sanity_mutex_lock_limit = 100
LO_graph *	global_graph = nullptr
thread_local LO_thread *	THR_LO
PSI_mutex_service_t *	g_mutex_chain = nullptr
PSI_rwlock_service_t *	g_rwlock_chain = nullptr
PSI_cond_service_t *	g_cond_chain = nullptr
PSI_thread_service_t *	g_thread_chain = nullptr
PSI_file_service_t *	g_file_chain = nullptr
PSI_idle_service_t *	g_idle_chain = nullptr
PSI_statement_service_t *	g_statement_chain = nullptr
static std::vector< LO_file * >	lo_file_array
	Bindings of LO_file objects to file descriptors numbers. More...
PSI_thread_service_v7	LO_thread_v7
struct PSI_thread_bootstrap	LO_thread_bootstrap = {lo_get_thread_interface}
PSI_mutex_service_v1	LO_mutex
struct PSI_mutex_bootstrap	LO_mutex_bootstrap = {lo_get_mutex_interface}
PSI_rwlock_service_v2	LO_rwlock
struct PSI_rwlock_bootstrap	LO_rwlock_bootstrap = {lo_get_rwlock_interface}
PSI_cond_service_v1	LO_cond
struct PSI_cond_bootstrap	LO_cond_bootstrap = {lo_get_cond_interface}
PSI_file_service_v2	LO_file
struct PSI_file_bootstrap	LO_file_bootstrap = {lo_get_file_interface}
PSI_idle_service_v1	LO_idle = {lo_start_idle_wait, lo_end_idle_wait}
struct PSI_idle_bootstrap	LO_idle_bootstrap = {lo_get_idle_interface}
PSI_statement_service_v5	LO_statement_v5
struct PSI_statement_bootstrap	LO_statement_bootstrap
LO_global_param	lo_param

Macro Definition Documentation

LO_COND_RANGE

#define LO_COND_RANGE   3000

LO_FILE_RANGE

#define LO_FILE_RANGE   4000

LO_MAX_COND_CLASS

#define LO_MAX_COND_CLASS   150

LO_MAX_FILE_CLASS

#define LO_MAX_FILE_CLASS   100

LO_MAX_MUTEX_CLASS

#define LO_MAX_MUTEX_CLASS   350

LO_MAX_NODE_NUMBER

#define LO_MAX_NODE_NUMBER

Value:

  (LO_MAX_MUTEX_CLASS + 6 * LO_MAX_RWLOCK_CLASS + LO_MAX_COND_CLASS + \
   LO_MAX_FILE_CLASS)

LO_MAX_QNAME_LENGTH

#define LO_MAX_QNAME_LENGTH   128

LO_MAX_RWLOCK_CLASS

#define LO_MAX_RWLOCK_CLASS   100

LO_MAX_THREAD_CLASS

#define LO_MAX_THREAD_CLASS   100

LO_MUTEX_RANGE

#define LO_MUTEX_RANGE   1000

LO_RWLOCK_RANGE

#define LO_RWLOCK_RANGE   2000

LO_THREAD_RANGE

#define LO_THREAD_RANGE   0

OPERATION_NAME_LENGTH

#define OPERATION_NAME_LENGTH   80

Buffer size to safely print " RECURSIVE OP <operation>".

safe_snprintf

#define safe_snprintf	(		B,
			S,
			F,
			...
	)

Value:

  {                                 \
    snprintf(B, S, F, __VA_ARGS__); \
    B[S - 1] = '\0';                \
  }

STATE_NAME_LENGTH

#define STATE_NAME_LENGTH   80

Buffer size to safely print " STATE <state>".

Typedef Documentation

LO_arc_list

typedef std::list<LO_arc *> LO_arc_list

LO_authorised_arc_list

typedef std::list<LO_authorised_arc *> LO_authorised_arc_list

LO_mutex_lock_list

typedef std::list<LO_mutex_lock *> LO_mutex_lock_list

LO_node_list

typedef std::list<LO_node *> LO_node_list

LO_rwlock_lock_list

typedef std::list<LO_rwlock_lock *> LO_rwlock_lock_list

LO_thread_list

typedef std::list<LO_thread *> LO_thread_list

Enumeration Type Documentation

LO_node_type

enum LO_node_type

Enumerator
NODE_TYPE_MUTEX
NODE_TYPE_RWLOCK
NODE_TYPE_COND
NODE_TYPE_FILE

Function Documentation

debug_lock_order_break_here()

static void debug_lock_order_break_here ( const char *  why )

static

deep_copy_arc()

static LO_authorised_arc * deep_copy_arc ( const LO_authorised_arc *  src )

static

deep_copy_string()

static char * deep_copy_string ( const char *  src )

static

destroy_arc()

static void destroy_arc ( LO_authorised_arc *  arc )

static

destroy_string()

static void destroy_string ( char *  src )

static

get_THR_LO()

static LO_thread * get_THR_LO ( )

inlinestatic

lo_abort_telemetry()

static void lo_abort_telemetry ( PSI_thread *  thread )

static

LO_activate()

void LO_activate

(

)

LO_add_authorised_arc()

void LO_add_authorised_arc	(	LO_graph *	g,
		const LO_authorised_arc *	arc
	)

LO_add_node_properties()

void LO_add_node_properties	(	LO_graph *	g,
		const LO_node_properties *	prop
	)

lo_aggregate_thread_status()

static void lo_aggregate_thread_status ( PSI_thread *  thread )

static

lo_broadcast_cond()

static void lo_broadcast_cond ( PSI_cond *  cond )

static

LO_cleanup()

void LO_cleanup

(

)

lo_create_file()

static void lo_create_file ( PSI_file_key  key, const char *  name, File  file  )

static

lo_create_prepared_stmt()

PSI_prepared_stmt * lo_create_prepared_stmt	(	void *	identity,
		uint	stmt_id,
		PSI_statement_locker *	locker,
		const char *	stmt_name,
		size_t	stmt_name_length,
		const char *	sql_text,
		size_t	sql_text_length
	)

lo_delete_current_thread()

static void lo_delete_current_thread ( void  )

static

lo_delete_thread()

static void lo_delete_thread ( PSI_thread *  thread )

static

lo_destroy_cond()

static void lo_destroy_cond ( PSI_cond *  cond )

static

lo_destroy_mutex()

static void lo_destroy_mutex ( PSI_mutex *  mutex )

static

lo_destroy_prepared_stmt()

void lo_destroy_prepared_stmt

(

PSI_prepared_stmt *

prepared_stmt

)

lo_destroy_rwlock()

static void lo_destroy_rwlock ( PSI_rwlock *  rwlock )

static

lo_detect_telemetry()

static void lo_detect_telemetry ( PSI_thread *  thread )

static

lo_digest_end()

static void lo_digest_end ( PSI_digest_locker *  locker, const sql_digest_storage *  digest  )

static

lo_digest_start()

static PSI_digest_locker * lo_digest_start ( PSI_statement_locker *  locker )

static

lo_drop_sp()

void lo_drop_sp	(	uint	sp_type,
		const char *	schema_name,
		uint	schema_name_length,
		const char *	object_name,
		uint	object_name_length
	)

LO_dump()

void LO_dump

(

)

lo_end_cond_wait()

static void lo_end_cond_wait ( PSI_cond_locker *  locker, int  rc  )

static

lo_end_file_close_wait()

static void lo_end_file_close_wait ( PSI_file_locker *  locker, int  rc  )

static

lo_end_file_open_wait()

static PSI_file * lo_end_file_open_wait ( PSI_file_locker *  locker, void *  result  )

static

lo_end_file_open_wait_and_bind_to_descriptor()

static void lo_end_file_open_wait_and_bind_to_descriptor ( PSI_file_locker *  locker, File  file  )

static

lo_end_file_rename_wait()

static void lo_end_file_rename_wait ( PSI_file_locker *  locker, const char *  old_name, const char *  new_name, int  rc  )

static

lo_end_file_wait()

static void lo_end_file_wait ( PSI_file_locker *  locker, size_t  count  )

static

lo_end_idle_wait()

static void lo_end_idle_wait ( PSI_idle_locker *  locker )

static

lo_end_mutex_wait()

void lo_end_mutex_wait	(	PSI_mutex_locker *	locker,
		int	rc
	)

lo_end_rwlock_rdwait()

static void lo_end_rwlock_rdwait ( PSI_rwlock_locker *  locker, int  rc  )

static

lo_end_rwlock_wrwait()

static void lo_end_rwlock_wrwait ( PSI_rwlock_locker *  locker, int  rc  )

static

lo_end_sp()

void lo_end_sp

(

PSI_sp_locker *

locker

)

lo_end_statement()

static void lo_end_statement ( PSI_statement_locker *  locker, void *  stmt_da  )

static

lo_end_temp_file_open_wait_and_bind_to_descriptor()

static void lo_end_temp_file_open_wait_and_bind_to_descriptor ( PSI_file_locker *  locker, File  file, const char *  filename  )

static

lo_execute_prepared_stmt()

void lo_execute_prepared_stmt	(	PSI_statement_locker *	locker,
		PSI_prepared_stmt *	ps
	)

lo_file_bindings_find()

static LO_file * lo_file_bindings_find ( size_t  index, bool  remove  )

static

lo_file_bindings_insert()

static void lo_file_bindings_insert ( size_t  index, LO_file *  lo_file  )

static

LO_get_chain_thread()

PSI_thread * LO_get_chain_thread

(

PSI_thread *

thread

)

lo_get_cond_interface()

static void * lo_get_cond_interface ( int  version )

static

lo_get_current_thread_event_id()

static void lo_get_current_thread_event_id ( ulonglong *  thread_internal_id, ulonglong *  event_id  )

static

lo_get_current_thread_internal_id()

static ulonglong lo_get_current_thread_internal_id ( )

static

lo_get_file_interface()

static void * lo_get_file_interface ( int  version )

static

lo_get_idle_interface()

static void * lo_get_idle_interface ( int  version )

static

lo_get_mutex_interface()

static void * lo_get_mutex_interface ( int  version )

static

lo_get_rwlock_interface()

static void * lo_get_rwlock_interface ( int  version )

static

lo_get_sp_share()

PSI_sp_share * lo_get_sp_share	(	uint	sp_type,
		const char *	schema_name,
		uint	schema_name_length,
		const char *	object_name,
		uint	object_name_length
	)

lo_get_statement_interface()

static void * lo_get_statement_interface ( int  version )

static

lo_get_thread()

static PSI_thread * lo_get_thread ( void  )

static

lo_get_thread_by_id()

static PSI_thread * lo_get_thread_by_id ( ulonglong  processlist_id )

static

lo_get_thread_event_id()

static void lo_get_thread_event_id ( PSI_thread *  psi, ulonglong *  thread_internal_id, ulonglong *  event_id  )

static

lo_get_thread_file_descriptor_locker()

static PSI_file_locker * lo_get_thread_file_descriptor_locker ( PSI_file_locker_state *  state, File  file, PSI_file_operation  op  )

static

lo_get_thread_file_name_locker()

static PSI_file_locker * lo_get_thread_file_name_locker ( PSI_file_locker_state *  state, PSI_file_key  key, PSI_file_operation  op, const char *  name, const void *  identity  )

static

lo_get_thread_file_stream_locker()

static PSI_file_locker * lo_get_thread_file_stream_locker ( PSI_file_locker_state *  state, PSI_file *  file, PSI_file_operation  op  )

static

lo_get_thread_interface()

static void * lo_get_thread_interface ( int  version )

static

lo_get_thread_internal_id()

static ulonglong lo_get_thread_internal_id ( PSI_thread *  thread )

static

lo_get_thread_statement_locker()

static PSI_statement_locker * lo_get_thread_statement_locker ( PSI_statement_locker_state *  state, PSI_statement_key  key, const void *  cs, PSI_sp_share *  sp_share  )

static

lo_get_thread_system_attrs()

static int lo_get_thread_system_attrs ( PSI_thread_attrs *  thread_attrs )

static

lo_get_thread_system_attrs_by_id()

static int lo_get_thread_system_attrs_by_id ( PSI_thread *  thread, ulonglong  thread_id, PSI_thread_attrs *  thread_attrs  )

static

lo_inc_statement_created_tmp_disk_tables()

static void lo_inc_statement_created_tmp_disk_tables ( PSI_statement_locker *  locker, ulong  count  )

static

lo_inc_statement_created_tmp_tables()

static void lo_inc_statement_created_tmp_tables ( PSI_statement_locker *  locker, ulong  count  )

static

lo_inc_statement_select_full_join()

static void lo_inc_statement_select_full_join ( PSI_statement_locker *  locker, ulong  count  )

static

lo_inc_statement_select_full_range_join()

static void lo_inc_statement_select_full_range_join ( PSI_statement_locker *  locker, ulong  count  )

static

lo_inc_statement_select_range()

static void lo_inc_statement_select_range ( PSI_statement_locker *  locker, ulong  count  )

static

lo_inc_statement_select_range_check()

static void lo_inc_statement_select_range_check ( PSI_statement_locker *  locker, ulong  count  )

static

lo_inc_statement_select_scan()

static void lo_inc_statement_select_scan ( PSI_statement_locker *  locker, ulong  count  )

static

lo_inc_statement_sort_merge_passes()

static void lo_inc_statement_sort_merge_passes ( PSI_statement_locker *  locker, ulong  count  )

static

lo_inc_statement_sort_range()

static void lo_inc_statement_sort_range ( PSI_statement_locker *  locker, ulong  count  )

static

lo_inc_statement_sort_rows()

static void lo_inc_statement_sort_rows ( PSI_statement_locker *  locker, ulong  count  )

static

lo_inc_statement_sort_scan()

static void lo_inc_statement_sort_scan ( PSI_statement_locker *  locker, ulong  count  )

static

LO_init()

int LO_init	(	LO_global_param *	param,
		PSI_thread_bootstrap **	thread_bootstrap,
		PSI_mutex_bootstrap **	mutex_bootstrap,
		PSI_rwlock_bootstrap **	rwlock_bootstrap,
		PSI_cond_bootstrap **	cond_bootstrap,
		PSI_file_bootstrap **	file_bootstrap,
		PSI_socket_bootstrap **	socket_bootstrap,
		PSI_table_bootstrap **	table_bootstrap,
		PSI_mdl_bootstrap **	mdl_bootstrap,
		PSI_idle_bootstrap **	idle_bootstrap,
		PSI_stage_bootstrap **	stage_bootstrap,
		PSI_statement_bootstrap **	statement_bootstrap,
		PSI_transaction_bootstrap **	transaction_bootstrap,
		PSI_memory_bootstrap **	memory_bootstrap
	)

lo_init_cond()

static PSI_cond * lo_init_cond ( PSI_cond_key  key, const void *  identity  )

static

lo_init_mutex()

static PSI_mutex * lo_init_mutex ( PSI_mutex_key  key, const void *  identity  )

static

lo_init_rwlock()

static PSI_rwlock * lo_init_rwlock ( PSI_rwlock_key  key, const void *  identity  )

static

LO_load_dependencies()

int LO_load_dependencies	(	LO_graph *	g,
		const char *	filename
	)

LO_load_graph()

int LO_load_graph

(

LO_graph *

g

)

lo_new_thread()

static PSI_thread * lo_new_thread ( PSI_thread_key  key, PSI_thread_seqnum  seqnum, const void *  identity, ulonglong  processlist_id  )

static

lo_notify_session_change_user()

static void lo_notify_session_change_user ( PSI_thread *  thread )

static

lo_notify_session_connect()

static void lo_notify_session_connect ( PSI_thread *  thread )

static

lo_notify_session_disconnect()

static void lo_notify_session_disconnect ( PSI_thread *  thread )

static

lo_notify_statement_query_attributes()

void lo_notify_statement_query_attributes	(	struct PSI_statement_locker *	locker,
		bool	with_query_attributes
	)

lo_refine_statement()

static PSI_statement_locker * lo_refine_statement ( PSI_statement_locker *  locker, PSI_statement_key  key  )

static

lo_register_cond()

static void lo_register_cond ( const char *  category, PSI_cond_info *  info, int  count  )

static

lo_register_file()

static void lo_register_file ( const char *  category, PSI_file_info *  info, int  count  )

static

lo_register_mutex()

static void lo_register_mutex ( const char *  category, PSI_mutex_info *  info, int  count  )

static

lo_register_notification()

static int lo_register_notification ( const PSI_notification *  callbacks, bool  with_ref_count  )

static

lo_register_rwlock()

static void lo_register_rwlock ( const char *  category, PSI_rwlock_info *  info, int  count  )

static

lo_register_statement()

static void lo_register_statement ( const char *  category, PSI_statement_info *  info, int  count  )

static

lo_register_thread()

static void lo_register_thread ( const char *  category, PSI_thread_info *  info, int  count  )

static

lo_release_sp_share()

void lo_release_sp_share

(

PSI_sp_share *

s

)

lo_reprepare_prepared_stmt()

void lo_reprepare_prepared_stmt

(

PSI_prepared_stmt *

prepared_stmt

)

lo_set_connection_type()

static void lo_set_connection_type ( opaque_vio_type  conn_type )

static

lo_set_mem_cnt_THD()

static void lo_set_mem_cnt_THD ( THD *  thd, THD **  backup_thd  )

static

lo_set_prepared_stmt_secondary_engine()

void lo_set_prepared_stmt_secondary_engine	(	PSI_prepared_stmt *	prepared_stmt,
		bool	secondary
	)

lo_set_prepared_stmt_text()

void lo_set_prepared_stmt_text	(	PSI_prepared_stmt *	prepared_stmt,
		const char *	text,
		uint	text_len
	)

lo_set_statement_lock_time()

static void lo_set_statement_lock_time ( PSI_statement_locker *  locker, ulonglong  count  )

static

lo_set_statement_no_good_index_used()

static void lo_set_statement_no_good_index_used ( PSI_statement_locker *  locker )

static

lo_set_statement_no_index_used()

static void lo_set_statement_no_index_used ( PSI_statement_locker *  locker )

static

lo_set_statement_query_id()

static void lo_set_statement_query_id ( PSI_statement_locker *  locker, ulonglong  query_id  )

static

lo_set_statement_rows_examined()

static void lo_set_statement_rows_examined ( PSI_statement_locker *  locker, ulonglong  count  )

static

lo_set_statement_rows_sent()

static void lo_set_statement_rows_sent ( PSI_statement_locker *  locker, ulonglong  count  )

static

lo_set_statement_secondary_engine()

static void lo_set_statement_secondary_engine ( PSI_statement_locker *  locker, bool  secondary  )

static

lo_set_statement_text()

static void lo_set_statement_text ( PSI_statement_locker *  locker, const char *  text, uint  text_len  )

static

lo_set_thread()

static void lo_set_thread ( PSI_thread *  thread )

static

lo_set_thread_account()

static void lo_set_thread_account ( const char *  user, int  user_len, const char *  host, int  host_len  )

static

lo_set_thread_command()

static void lo_set_thread_command ( int  command )

static

lo_set_thread_connect_attrs()

static int lo_set_thread_connect_attrs ( const char *  a, uint  b, const void *  c  )

static

lo_set_thread_db()

static void lo_set_thread_db ( const char *  db, int  db_len  )

static

lo_set_thread_id()

static void lo_set_thread_id ( PSI_thread *  thread, ulonglong  id  )

static

lo_set_thread_info()

static void lo_set_thread_info ( const char *  info, uint  info_len  )

static

lo_set_thread_os_id()

static void lo_set_thread_os_id ( PSI_thread *  thread )

static

lo_set_thread_peer_port()

static void lo_set_thread_peer_port ( PSI_thread *  thread, uint  port  )

static

lo_set_thread_resource_group()

static int lo_set_thread_resource_group ( const char *  group_name, int  group_name_len, void *  user_data  )

static

lo_set_thread_resource_group_by_id()

static int lo_set_thread_resource_group_by_id ( PSI_thread *  thread, ulonglong  thread_id, const char *  group_name, int  group_name_len, void *  user_data  )

static

lo_set_thread_secondary_engine()

static void lo_set_thread_secondary_engine ( bool  secondary )

static

lo_set_thread_start_time()

static void lo_set_thread_start_time ( time_t  start_time )

static

lo_set_thread_THD()

static void lo_set_thread_THD ( PSI_thread *  thread, THD *  thd  )

static

lo_set_thread_user()

static void lo_set_thread_user ( const char *  user, int  user_len  )

static

lo_signal_cond()

static void lo_signal_cond ( PSI_cond *  cond )

static

lo_spawn_thread()

static int lo_spawn_thread ( PSI_thread_key  key, PSI_thread_seqnum  seqnum, my_thread_handle *  thread, const my_thread_attr_t *  attr, void *(*)(void *)  start_routine, void *  arg  )

static

lo_spawn_thread_fct()

void * lo_spawn_thread_fct

(

void *

arg

)

lo_start_cond_wait()

static PSI_cond_locker * lo_start_cond_wait ( PSI_cond_locker_state *  state, PSI_cond *  cond, PSI_mutex *  mutex, PSI_cond_operation  op, const char *  src_file, uint  src_line  )

static

lo_start_file_close_wait()

static void lo_start_file_close_wait ( PSI_file_locker *  locker, const char *  src_file, uint  src_line  )

static

lo_start_file_open_wait()

static void lo_start_file_open_wait ( PSI_file_locker *  locker, const char *  src_file, uint  src_line  )

static

lo_start_file_rename_wait()

static void lo_start_file_rename_wait ( PSI_file_locker *  locker, size_t  count, const char *  old_name, const char *  new_name, const char *  src_file, uint  src_line  )

static

lo_start_file_wait()

static void lo_start_file_wait ( PSI_file_locker *  locker, size_t  count, const char *  src_file, uint  src_line  )

static

lo_start_idle_wait()

static PSI_idle_locker * lo_start_idle_wait ( PSI_idle_locker_state *  state, const char *  src_file, uint  src_line  )

static

lo_start_mutex_wait()

static PSI_mutex_locker * lo_start_mutex_wait ( PSI_mutex_locker_state *  state, PSI_mutex *  mutex, PSI_mutex_operation  op, const char *  src_file, uint  src_line  )

static

lo_start_rwlock_rdwait()

static PSI_rwlock_locker * lo_start_rwlock_rdwait ( PSI_rwlock_locker_state *  state, PSI_rwlock *  rwlock, PSI_rwlock_operation  op, const char *  src_file, uint  src_line  )

static

lo_start_rwlock_wrwait()

static PSI_rwlock_locker * lo_start_rwlock_wrwait ( PSI_rwlock_locker_state *  state, PSI_rwlock *  rwlock, PSI_rwlock_operation  op, const char *  src_file, uint  src_line  )

static

lo_start_sp()

PSI_sp_locker * lo_start_sp	(	PSI_sp_locker_state *	state,
		PSI_sp_share *	sp_share
	)

lo_start_statement()

static void lo_start_statement ( PSI_statement_locker *  locker, const char *  db, uint  db_len, const char *  src_file, uint  src_line  )

static

lo_statement_abort_telemetry()

void lo_statement_abort_telemetry

(

struct PSI_statement_locker *

locker

)

lo_unlock_mutex()

static void lo_unlock_mutex ( PSI_mutex *  mutex )

static

lo_unlock_rwlock()

static void lo_unlock_rwlock ( PSI_rwlock *  rwlock, PSI_rwlock_operation  op  )

static

lo_unregister_notification()

static int lo_unregister_notification ( int  handle )

static

LOCK_ORDER_parse()

int LOCK_ORDER_parse

(

struct LO_parser_param *

param

)

print_file()

static void print_file ( FILE *  file, const char *  format,   ...  )

static

set_THR_LO()

static void set_THR_LO ( LO_thread *  lo )

inlinestatic

Variable Documentation

check_activated

bool check_activated = false

debugger_calls

int debugger_calls = 0

static

g_cond_chain

PSI_cond_service_t* g_cond_chain = nullptr

g_file_chain

PSI_file_service_t* g_file_chain = nullptr

g_idle_chain

PSI_idle_service_t* g_idle_chain = nullptr

g_internal_debug

bool g_internal_debug = false

static

g_mutex_chain

PSI_mutex_service_t* g_mutex_chain = nullptr

g_rwlock_chain

PSI_rwlock_service_t* g_rwlock_chain = nullptr

g_statement_chain

PSI_statement_service_t* g_statement_chain = nullptr

g_thread_chain

PSI_thread_service_t* g_thread_chain = nullptr

g_with_rwlock

bool g_with_rwlock = true

static

global_graph

LO_graph* global_graph = nullptr

LO_cond

PSI_cond_service_v1 LO_cond

Initial value:

= {
    lo_register_cond,  lo_init_cond,       lo_destroy_cond, lo_signal_cond,
    lo_broadcast_cond, lo_start_cond_wait, lo_end_cond_wait}

LO_cond_bootstrap

struct PSI_cond_bootstrap LO_cond_bootstrap = {lo_get_cond_interface}

LO_file

PSI_file_service_v2 LO_file

Initial value:

= {
    lo_register_file,
    lo_create_file,
    lo_get_thread_file_name_locker,
    lo_get_thread_file_stream_locker,
    lo_get_thread_file_descriptor_locker,
    lo_start_file_open_wait,
    lo_end_file_open_wait,
    lo_end_file_open_wait_and_bind_to_descriptor,
    lo_end_temp_file_open_wait_and_bind_to_descriptor,
    lo_start_file_wait,
    lo_end_file_wait,
    lo_start_file_close_wait,
    lo_end_file_close_wait,
    lo_start_file_rename_wait,
    lo_end_file_rename_wait}

lo_file_array

std::vector<LO_file *> lo_file_array

static

Bindings of LO_file objects to file descriptors numbers.

LO_file_bootstrap

struct PSI_file_bootstrap LO_file_bootstrap = {lo_get_file_interface}

LO_idle

PSI_idle_service_v1 LO_idle = {lo_start_idle_wait, lo_end_idle_wait}

LO_idle_bootstrap

struct PSI_idle_bootstrap LO_idle_bootstrap = {lo_get_idle_interface}

LO_mutex

PSI_mutex_service_v1 LO_mutex

Initial value:

= {lo_register_mutex, lo_init_mutex,
                                 lo_destroy_mutex,  lo_start_mutex_wait,
                                 lo_end_mutex_wait, lo_unlock_mutex}

LO_mutex_bootstrap

struct PSI_mutex_bootstrap LO_mutex_bootstrap = {lo_get_mutex_interface}

lo_param

LO_global_param lo_param

LO_rwlock

PSI_rwlock_service_v2 LO_rwlock

Initial value:

= {
    lo_register_rwlock,     lo_init_rwlock,       lo_destroy_rwlock,
    lo_start_rwlock_rdwait, lo_end_rwlock_rdwait, lo_start_rwlock_wrwait,
    lo_end_rwlock_wrwait,   lo_unlock_rwlock,
}

LO_rwlock_bootstrap

struct PSI_rwlock_bootstrap LO_rwlock_bootstrap = {lo_get_rwlock_interface}

LO_statement_bootstrap

struct PSI_statement_bootstrap LO_statement_bootstrap

Initial value:

= {
    lo_get_statement_interface}

LO_statement_v5

PSI_statement_service_v5 LO_statement_v5

LO_thread_bootstrap

struct PSI_thread_bootstrap LO_thread_bootstrap = {lo_get_thread_interface}

LO_thread_v7

PSI_thread_service_v7 LO_thread_v7

out_log

FILE* out_log = nullptr

out_txt

FILE* out_txt = nullptr

sanity_mutex_lock_limit

uint sanity_mutex_lock_limit = 100

static

serialize

native_mutex_t serialize

serialize_logs

native_mutex_t serialize_logs

THR_LO

thread_local LO_thread* THR_LO