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Name	Size	Perms	Modified	Actions
[ .. / .. ]
execExpr.h	20.89 KB	-rw-r--r--	2022-12-21 16:07:42	Edit Del
execParallel.h	1.95 KB	-rw-r--r--	2022-12-21 16:07:42	Edit Del
execPartition.h	8.65 KB	-rw-r--r--	2022-12-21 16:07:42	Edit Del
execdebug.h	3.81 KB	-rw-r--r--	2022-12-21 16:07:42	Edit Del
execdesc.h	2.3 KB	-rw-r--r--	2022-12-21 16:07:42	Edit Del
executor.h	22.02 KB	-rw-r--r--	2022-12-21 16:07:42	Edit Del
functions.h	1.18 KB	-rw-r--r--	2022-12-21 16:07:42	Edit Del
hashjoin.h	14.52 KB	-rw-r--r--	2022-12-21 16:07:42	Edit Del
instrument.h	3.31 KB	-rw-r--r--	2022-12-21 16:07:42	Edit Del
nodeAgg.h	10.31 KB	-rw-r--r--	2022-12-21 16:07:42	Edit Del
nodeAppend.h	1003 B	-rw-r--r--	2022-12-21 16:07:42	Edit Del
nodeBitmapAnd.h	742 B	-rw-r--r--	2022-12-21 16:07:42	Edit Del
nodeBitmapHeapscan.h	1.15 KB	-rw-r--r--	2022-12-21 16:07:42	Edit Del
nodeBitmapIndexscan.h	826 B	-rw-r--r--	2022-12-21 16:07:42	Edit Del
nodeBitmapOr.h	728 B	-rw-r--r--	2022-12-21 16:07:42	Edit Del
nodeCtescan.h	663 B	-rw-r--r--	2022-12-21 16:07:42	Edit Del
nodeCustom.h	1.34 KB	-rw-r--r--	2022-12-21 16:07:42	Edit Del
nodeForeignscan.h	1.17 KB	-rw-r--r--	2022-12-21 16:07:42	Edit Del
nodeFunctionscan.h	723 B	-rw-r--r--	2022-12-21 16:07:42	Edit Del
nodeGather.h	731 B	-rw-r--r--	2022-12-21 16:07:42	Edit Del
nodeGatherMerge.h	816 B	-rw-r--r--	2022-12-21 16:07:42	Edit Del
nodeGroup.h	668 B	-rw-r--r--	2022-12-21 16:07:42	Edit Del
nodeHash.h	3.06 KB	-rw-r--r--	2022-12-21 16:07:42	Edit Del
nodeHashjoin.h	1.24 KB	-rw-r--r--	2022-12-21 16:07:42	Edit Del
nodeIndexonlyscan.h	1.32 KB	-rw-r--r--	2022-12-21 16:07:42	Edit Del
nodeIndexscan.h	1.84 KB	-rw-r--r--	2022-12-21 16:07:42	Edit Del
nodeLimit.h	639 B	-rw-r--r--	2022-12-21 16:07:42	Edit Del
nodeLockRows.h	675 B	-rw-r--r--	2022-12-21 16:07:42	Edit Del
nodeMaterial.h	784 B	-rw-r--r--	2022-12-21 16:07:42	Edit Del
nodeMergeAppend.h	711 B	-rw-r--r--	2022-12-21 16:07:42	Edit Del
nodeMergejoin.h	687 B	-rw-r--r--	2022-12-21 16:07:42	Edit Del
nodeModifyTable.h	708 B	-rw-r--r--	2022-12-21 16:07:42	Edit Del
nodeNamedtuplestorescan.h	807 B	-rw-r--r--	2022-12-21 16:07:42	Edit Del
nodeNestloop.h	675 B	-rw-r--r--	2022-12-21 16:07:42	Edit Del
nodeProjectSet.h	699 B	-rw-r--r--	2022-12-21 16:07:42	Edit Del
nodeRecursiveunion.h	747 B	-rw-r--r--	2022-12-21 16:07:42	Edit Del
nodeResult.h	752 B	-rw-r--r--	2022-12-21 16:07:42	Edit Del
nodeSamplescan.h	699 B	-rw-r--r--	2022-12-21 16:07:42	Edit Del
nodeSeqscan.h	1.03 KB	-rw-r--r--	2022-12-21 16:07:42	Edit Del
nodeSetOp.h	639 B	-rw-r--r--	2022-12-21 16:07:42	Edit Del
nodeSort.h	1.06 KB	-rw-r--r--	2022-12-21 16:07:42	Edit Del
nodeSubplan.h	1.06 KB	-rw-r--r--	2022-12-21 16:07:42	Edit Del
nodeSubqueryscan.h	723 B	-rw-r--r--	2022-12-21 16:07:42	Edit Del
nodeTableFuncscan.h	735 B	-rw-r--r--	2022-12-21 16:07:42	Edit Del
nodeTidscan.h	663 B	-rw-r--r--	2022-12-21 16:07:42	Edit Del
nodeUnique.h	651 B	-rw-r--r--	2022-12-21 16:07:42	Edit Del
nodeValuesscan.h	699 B	-rw-r--r--	2022-12-21 16:07:42	Edit Del
nodeWindowAgg.h	720 B	-rw-r--r--	2022-12-21 16:07:42	Edit Del
nodeWorktablescan.h	735 B	-rw-r--r--	2022-12-21 16:07:42	Edit Del
spi.h	6.45 KB	-rw-r--r--	2022-12-21 16:07:42	Edit Del
spi_priv.h	4.38 KB	-rw-r--r--	2022-12-21 16:07:42	Edit Del
tablefunc.h	2.78 KB	-rw-r--r--	2022-12-21 16:07:42	Edit Del
tqueue.h	1.02 KB	-rw-r--r--	2022-12-21 16:07:42	Edit Del
tstoreReceiver.h	771 B	-rw-r--r--	2022-12-21 16:07:42	Edit Del
tuptable.h	8.98 KB	-rw-r--r--	2022-12-21 16:07:42	Edit Del

Editing: instrument.h (3.31 KB)

/*-------------------------------------------------------------------------
 *
 * instrument.h
 *	  definitions for run-time statistics collection
 *
 *
 * Copyright (c) 2001-2018, PostgreSQL Global Development Group
 *
 * src/include/executor/instrument.h
 *
 *-------------------------------------------------------------------------
 */
#ifndef INSTRUMENT_H
#define INSTRUMENT_H

#include "portability/instr_time.h"


typedef struct BufferUsage
{
	long		shared_blks_hit;	/* # of shared buffer hits */
	long		shared_blks_read;	/* # of shared disk blocks read */
	long		shared_blks_dirtied;	/* # of shared blocks dirtied */
	long		shared_blks_written;	/* # of shared disk blocks written */
	long		local_blks_hit; /* # of local buffer hits */
	long		local_blks_read;	/* # of local disk blocks read */
	long		local_blks_dirtied; /* # of shared blocks dirtied */
	long		local_blks_written; /* # of local disk blocks written */
	long		temp_blks_read; /* # of temp blocks read */
	long		temp_blks_written;	/* # of temp blocks written */
	instr_time	blk_read_time;	/* time spent reading */
	instr_time	blk_write_time; /* time spent writing */
} BufferUsage;

/* Flag bits included in InstrAlloc's instrument_options bitmask */
typedef enum InstrumentOption
{
	INSTRUMENT_TIMER = 1 << 0,	/* needs timer (and row counts) */
	INSTRUMENT_BUFFERS = 1 << 1,	/* needs buffer usage */
	INSTRUMENT_ROWS = 1 << 2,	/* needs row count */
	INSTRUMENT_ALL = PG_INT32_MAX
} InstrumentOption;

typedef struct Instrumentation
{
	/* Parameters set at node creation: */
	bool		need_timer;		/* true if we need timer data */
	bool		need_bufusage;	/* true if we need buffer usage data */
	/* Info about current plan cycle: */
	bool		running;		/* true if we've completed first tuple */
	instr_time	starttime;		/* Start time of current iteration of node */
	instr_time	counter;		/* Accumulated runtime for this node */
	double		firsttuple;		/* Time for first tuple of this cycle */
	double		tuplecount;		/* Tuples emitted so far this cycle */
	BufferUsage bufusage_start; /* Buffer usage at start */
	/* 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		ntuples2;		/* Secondary node-specific tuple counter */
	double		nloops;			/* # of run cycles for this node */
	double		nfiltered1;		/* # tuples removed by scanqual or joinqual */
	double		nfiltered2;		/* # tuples removed by "other" quals */
	BufferUsage bufusage;		/* Total buffer usage */
} Instrumentation;

typedef struct WorkerInstrumentation
{
	int			num_workers;	/* # of structures that follow */
	Instrumentation instrument[FLEXIBLE_ARRAY_MEMBER];
} WorkerInstrumentation;

extern PGDLLIMPORT BufferUsage pgBufferUsage;

extern Instrumentation *InstrAlloc(int n, int instrument_options);
extern void InstrInit(Instrumentation *instr, int instrument_options);
extern void InstrStartNode(Instrumentation *instr);
extern void InstrStopNode(Instrumentation *instr, double nTuples);
extern void InstrEndLoop(Instrumentation *instr);
extern void InstrAggNode(Instrumentation *dst, Instrumentation *add);
extern void InstrStartParallelQuery(void);
extern void InstrEndParallelQuery(BufferUsage *result);
extern void InstrAccumParallelQuery(BufferUsage *result);

#endif							/* INSTRUMENT_H */