diff options
Diffstat (limited to 'src/include/executor/instrument.h')
| -rw-r--r-- | src/include/executor/instrument.h | 28 |
1 files changed, 26 insertions, 2 deletions
diff --git a/src/include/executor/instrument.h b/src/include/executor/instrument.h index 1ae6eebe8d3..5eea68d2fee 100644 --- a/src/include/executor/instrument.h +++ b/src/include/executor/instrument.h @@ -6,7 +6,7 @@ * * Copyright (c) 2001-2009, PostgreSQL Global Development Group * - * $PostgreSQL: pgsql/src/include/executor/instrument.h,v 1.20 2009/01/01 17:23:59 momjian Exp $ + * $PostgreSQL: pgsql/src/include/executor/instrument.h,v 1.21 2009/12/15 04:57:48 rhaas Exp $ * *------------------------------------------------------------------------- */ @@ -16,22 +16,46 @@ #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_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_written; /* # of local disk blocks written */ + long temp_blks_read; /* # of temp blocks read */ + long temp_blks_written; /* # of temp blocks written */ +} BufferUsage; + +typedef enum InstrumentOption +{ + INSTRUMENT_TIMER = 1 << 0, /* needs timer */ + INSTRUMENT_BUFFERS = 1 << 1, /* needs buffer usage */ + INSTRUMENT_ALL = 0x7FFFFFFF +} InstrumentOption; + typedef struct Instrumentation { /* Info about current plan cycle: */ bool running; /* TRUE if we've completed first tuple */ + bool needs_bufusage; /* TRUE if we need buffer usage */ 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 nloops; /* # of run cycles for this node */ + BufferUsage bufusage; /* Total buffer usage */ } Instrumentation; -extern Instrumentation *InstrAlloc(int n); +extern BufferUsage pgBufferUsage; + +extern Instrumentation *InstrAlloc(int n, int instrument_options); extern void InstrStartNode(Instrumentation *instr); extern void InstrStopNode(Instrumentation *instr, double nTuples); extern void InstrEndLoop(Instrumentation *instr); |