instr_time.h File Reference

#include <sys/time.h>

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Macros
#define	INSTR_TIME_IS_ZERO(t)   ((t).tv_usec == 0 && (t).tv_sec == 0)
#define	INSTR_TIME_SET_ZERO(t)   ((t).tv_sec = 0, (t).tv_usec = 0)
#define	INSTR_TIME_SET_CURRENT(t)   gettimeofday(&(t), NULL)
#define	INSTR_TIME_ADD(x, y)
#define	INSTR_TIME_SUBTRACT(x, y)
#define	INSTR_TIME_ACCUM_DIFF(x, y, z)
#define	INSTR_TIME_GET_DOUBLE(t)    (((double) (t).tv_sec) + ((double) (t).tv_usec) / 1000000.0)
#define	INSTR_TIME_GET_MILLISEC(t)    (((double) (t).tv_sec * 1000.0) + ((double) (t).tv_usec) / 1000.0)
#define	INSTR_TIME_GET_MICROSEC(t)    (((uint64) (t).tv_sec * (uint64) 1000000) + (uint64) (t).tv_usec)
#define	INSTR_TIME_SET_CURRENT_LAZY(t)    (INSTR_TIME_IS_ZERO(t) ? INSTR_TIME_SET_CURRENT(t), true : false)

Typedefs
typedef struct timeval	instr_time

Macro Definition Documentation

INSTR_TIME_ACCUM_DIFF

#define INSTR_TIME_ACCUM_DIFF	(		x,
			y,
			z
	)

Value:

    do { \
        (x).tv_sec += (y).tv_sec - (z).tv_sec; \
        (x).tv_usec += (y).tv_usec - (z).tv_usec; \
        /* Normalize after each add to avoid overflow/underflow of tv_usec */ \
        while ((x).tv_usec < 0) \
        { \
            (x).tv_usec += 1000000; \
            (x).tv_sec--; \
        } \
        while ((x).tv_usec >= 1000000) \
        { \
            (x).tv_usec -= 1000000; \
            (x).tv_sec++; \
        } \
    } while (0)

Definition at line 182 of file instr_time.h.

INSTR_TIME_ADD

#define INSTR_TIME_ADD	(		x,
			y
	)

Value:

    do { \
        (x).tv_sec += (y).tv_sec; \
        (x).tv_usec += (y).tv_usec; \
        /* Normalize */ \
        while ((x).tv_usec >= 1000000) \
        { \
            (x).tv_usec -= 1000000; \
            (x).tv_sec++; \
        } \
    } while (0)

Definition at line 158 of file instr_time.h.

INSTR_TIME_GET_DOUBLE

#define INSTR_TIME_GET_DOUBLE

(

t

)

(((double) (t).tv_sec) + ((double) (t).tv_usec) / 1000000.0)

Definition at line 199 of file instr_time.h.

INSTR_TIME_GET_MICROSEC

#define INSTR_TIME_GET_MICROSEC

(

t

)

(((uint64) (t).tv_sec * (uint64) 1000000) + (uint64) (t).tv_usec)

Definition at line 205 of file instr_time.h.

INSTR_TIME_GET_MILLISEC

#define INSTR_TIME_GET_MILLISEC

(

t

)

(((double) (t).tv_sec * 1000.0) + ((double) (t).tv_usec) / 1000.0)

Definition at line 202 of file instr_time.h.

INSTR_TIME_IS_ZERO

#define INSTR_TIME_IS_ZERO

(

t

)

((t).tv_usec == 0 && (t).tv_sec == 0)

Definition at line 152 of file instr_time.h.

INSTR_TIME_SET_CURRENT

#define INSTR_TIME_SET_CURRENT

(

t

)

gettimeofday(&(t), NULL)

Definition at line 156 of file instr_time.h.

INSTR_TIME_SET_CURRENT_LAZY

#define INSTR_TIME_SET_CURRENT_LAZY

(

t

)

(INSTR_TIME_IS_ZERO(t) ? INSTR_TIME_SET_CURRENT(t), true : false)

Definition at line 253 of file instr_time.h.

INSTR_TIME_SET_ZERO

#define INSTR_TIME_SET_ZERO

(

t

)

((t).tv_sec = 0, (t).tv_usec = 0)

Definition at line 154 of file instr_time.h.

INSTR_TIME_SUBTRACT

#define INSTR_TIME_SUBTRACT	(		x,
			y
	)

Value:

    do { \
        (x).tv_sec -= (y).tv_sec; \
        (x).tv_usec -= (y).tv_usec; \
        /* Normalize */ \
        while ((x).tv_usec < 0) \
        { \
            (x).tv_usec += 1000000; \
            (x).tv_sec--; \
        } \
    } while (0)

Definition at line 170 of file instr_time.h.

Typedef Documentation

instr_time

typedef struct timeval instr_time

Definition at line 1 of file instr_time.h.