blob: 2e9c756029a83752066d9671646980abc2759944 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
|
/*-------------------------------------------------------------------------
*
* instrument.h
* definitions for run-time statistics collection
*
*
* Copyright (c) 2001-2003, PostgreSQL Global Development Group
*
* $PostgreSQL: pgsql/src/include/executor/instrument.h,v 1.6 2003/11/29 22:41:01 pgsql Exp $
*
*-------------------------------------------------------------------------
*/
#ifndef INSTRUMENT_H
#define INSTRUMENT_H
#include <sys/time.h>
typedef struct Instrumentation
{
/* Info about current plan cycle: */
bool running; /* TRUE if we've completed first tuple */
struct timeval starttime; /* Start time of current iteration of node */
struct timeval counter; /* Accumulates runtime for this node */
double firsttuple; /* Time for first tuple of this cycle */
double tuplecount; /* Tuples so far this cycle */
/* Accumulated statistics across all completed cycles: */
double startup; /* Total startup time (in seconds) */
double total; /* Total total time (in seconds) */
double ntuples; /* Total tuples produced */
double nloops; /* # of run cycles for this node */
} Instrumentation;
extern Instrumentation *InstrAlloc(void);
extern void InstrStartNode(Instrumentation *instr);
extern void InstrStopNode(Instrumentation *instr, bool returnedTuple);
extern void InstrEndLoop(Instrumentation *instr);
#endif /* INSTRUMENT_H */
|
