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)

Typedefs
typedef struct timeval	instr_time

Macro Definition Documentation

#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 179 of file instr_time.h.

Referenced by BufferUsageAccumDiff(), doCustom(), InstrStopNode(), and threadRun().

#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 155 of file instr_time.h.

Referenced by BufferUsageAdd(), FlushBuffer(), InstrAggNode(), main(), pgstat_end_function_usage(), and ReadBuffer_common().

#define INSTR_TIME_GET_DOUBLE

(

t

)

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

Definition at line 196 of file instr_time.h.

Referenced by doCustom(), elapsed_time(), ExplainOnePlan(), init(), InstrEndLoop(), InstrStopNode(), printResults(), and test_timing().

#define INSTR_TIME_GET_MICROSEC

(

t

)

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

Definition at line 202 of file instr_time.h.

Referenced by count_nondeletable_pages(), doCustom(), FlushBuffer(), main(), mdsync(), pgstat_send_funcstats(), processXactStats(), ReadBuffer_common(), test_timing(), and threadRun().

#define INSTR_TIME_GET_MILLISEC

(

t

)

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

Definition at line 199 of file instr_time.h.

Referenced by ExecQueryUsingCursor(), pg_stat_get_xact_function_self_time(), pg_stat_get_xact_function_total_time(), pgss_ProcessUtility(), pgss_store(), PSQLexecWatch(), SendQuery(), show_buffer_usage(), system_time_nextsampleblock(), and WaitEventSetWait().

#define INSTR_TIME_IS_ZERO

(

t

)

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

Definition at line 149 of file instr_time.h.

Referenced by doCustom(), InstrEndLoop(), InstrStartNode(), InstrStopNode(), processXactStats(), and show_buffer_usage().

#define INSTR_TIME_SET_CURRENT

(

t

)

gettimeofday(&(t), NULL)

Definition at line 153 of file instr_time.h.

Referenced by count_nondeletable_pages(), doCustom(), elapsed_time(), ExecQueryUsingCursor(), ExplainExecuteQuery(), ExplainOnePlan(), ExplainOneQuery(), FlushBuffer(), init(), InstrStartNode(), InstrStopNode(), main(), mdsync(), pgss_ProcessUtility(), pgstat_end_function_usage(), pgstat_init_function_usage(), processXactStats(), PSQLexecWatch(), ReadBuffer_common(), SendQuery(), system_time_nextsampleblock(), test_timing(), threadRun(), and WaitEventSetWait().

#define INSTR_TIME_SET_ZERO

(

t

)

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

Definition at line 151 of file instr_time.h.

Referenced by doCustom(), InstrEndLoop(), InstrStopNode(), main(), and threadRun().

#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 167 of file instr_time.h.

Referenced by count_nondeletable_pages(), elapsed_time(), ExecQueryUsingCursor(), ExplainExecuteQuery(), ExplainOneQuery(), FlushBuffer(), init(), main(), mdsync(), pgss_ProcessUtility(), pgstat_end_function_usage(), PSQLexecWatch(), ReadBuffer_common(), SendQuery(), system_time_nextsampleblock(), test_timing(), threadRun(), and WaitEventSetWait().

Typedef Documentation

typedef struct timeval instr_time

Definition at line 147 of file instr_time.h.