Memory Instrumentation (API)

Collaboration diagram for Memory Instrumentation (API):

Classes
struct	my_memory_header

Macros
#define	mysql_memory_register(P1, P2, P3)    inline_mysql_memory_register(P1, P2, P3)
	Memory registration. More...
#define	PSI_HEADER_SIZE   32
#define	PSI_MEMORY_MAGIC   1234
#define	PSI_MEM_CNT_BIT   ((uint)1 << 31)
#define	PSI_REAL_MEM_KEY(P)   ((PSI_memory_key)((P) & ~PSI_MEM_CNT_BIT))
#define	USER_TO_HEADER(P)   ((my_memory_header *)(((char *)P) - PSI_HEADER_SIZE))
#define	HEADER_TO_USER(P)   (((char *)P) + PSI_HEADER_SIZE)
#define	USER_TO_HEADER_UINT8_T(P)    (((static_cast<uint8_t *>(P)) - PSI_HEADER_SIZE))

Typedefs
typedef struct my_memory_header	my_memory_header

Functions
static void	inline_mysql_memory_register (const char *category, PSI_memory_info *info, int count)

Detailed Description

Macro Definition Documentation

HEADER_TO_USER

#define HEADER_TO_USER

(

P

)

(((char *)P) + PSI_HEADER_SIZE)

mysql_memory_register

#define mysql_memory_register	(		P1,
			P2,
			P3
	)		inline_mysql_memory_register(P1, P2, P3)

Memory registration.

PSI_HEADER_SIZE

#define PSI_HEADER_SIZE   32

PSI_MEM_CNT_BIT

#define PSI_MEM_CNT_BIT   ((uint)1 << 31)

PSI_MEMORY_MAGIC

#define PSI_MEMORY_MAGIC   1234

PSI_REAL_MEM_KEY

#define PSI_REAL_MEM_KEY

(

P

)

((PSI_memory_key)((P) & ~PSI_MEM_CNT_BIT))

USER_TO_HEADER

#define USER_TO_HEADER

(

P

)

((my_memory_header *)(((char *)P) - PSI_HEADER_SIZE))

USER_TO_HEADER_UINT8_T

#define USER_TO_HEADER_UINT8_T

(

P

)

(((static_cast<uint8_t *>(P)) - PSI_HEADER_SIZE))

Typedef Documentation

my_memory_header

typedef struct my_memory_header my_memory_header

Function Documentation

inline_mysql_memory_register()

static void inline_mysql_memory_register ( const char *  category, PSI_memory_info *  info, int  count  )

inlinestatic