Instrumentation Interface

Collaboration diagram for Instrumentation Interface:

Modules
	File Instrumentation
	Idle Instrumentation
	Socket Instrumentation
	Stage Instrumentation
	Statement Instrumentation
	Table Instrumentation
	Thread Instrumentation

Classes
struct	PSI_bootstrap
struct	PSI_none
struct	PSI_stage_info_none

Macros
#define	PSI_MUTEX_CALL(M)   PSI_DYNAMIC_CALL(M)
#define	PSI_RWLOCK_CALL(M)   PSI_DYNAMIC_CALL(M)
#define	PSI_COND_CALL(M)   PSI_DYNAMIC_CALL(M)
#define	PSI_THREAD_CALL(M)   PSI_DYNAMIC_CALL(M)
#define	PSI_FILE_CALL(M)   PSI_DYNAMIC_CALL(M)
#define	PSI_SOCKET_CALL(M)   PSI_DYNAMIC_CALL(M)
#define	PSI_STAGE_CALL(M)   PSI_DYNAMIC_CALL(M)
#define	PSI_STATEMENT_CALL(M)   PSI_DYNAMIC_CALL(M)
#define	PSI_TABLE_CALL(M)   PSI_DYNAMIC_CALL(M)
#define	PSI_IDLE_CALL(M)   PSI_DYNAMIC_CALL(M)
#define	PSI_DYNAMIC_CALL(M)   PSI_server->M

Typedefs
typedef struct PSI_mutex	PSI_mutex
typedef struct PSI_rwlock	PSI_rwlock
typedef struct PSI_cond	PSI_cond
typedef struct PSI_table_share	PSI_table_share
typedef struct PSI_table	PSI_table
typedef struct PSI_thread	PSI_thread
typedef struct PSI_file	PSI_file
typedef struct PSI_socket	PSI_socket
typedef struct PSI_table_locker	PSI_table_locker
typedef struct PSI_statement_locker	PSI_statement_locker
typedef struct PSI_idle_locker	PSI_idle_locker
typedef struct PSI_digest_locker	PSI_digest_locker
typedef struct PSI_bootstrap	PSI_bootstrap
typedef struct PSI_none	PSI
typedef struct PSI_stage_info_none	PSI_stage_info

Variables
MYSQL_PLUGIN_IMPORT PSI *	PSI_server

Detailed Description

Typedef Documentation

typedef struct PSI_stage_info_none PSI_stage_info

The stage instrumentation has to co exist with the legacy THD::set_proc_info instrumentation. To avoid duplication of the instrumentation in the server, the common PSI_stage_info structure is used, so we export it here, even when not building with HAVE_PSI_INTERFACE.

Definition at line 2372 of file psi.h.

Variable Documentation

MYSQL_PLUGIN_IMPORT PSI* PSI_server

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.

Definition at line 765 of file psi_noop.c.