| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| /*------------------------------------------------------------------------- |
| * |
| * instrument.h |
| * definitions for run-time statistics collection |
| * |
| * |
| * Portions Copyright (c) 2006-2009, Greenplum inc |
| * Copyright (c) 2001-2009, PostgreSQL Global Development Group |
| * |
| * $PostgreSQL: pgsql/src/include/executor/instrument.h,v 1.16 2006/06/09 19:30:56 tgl Exp $ |
| * |
| *------------------------------------------------------------------------- |
| */ |
| #ifndef INSTRUMENT_H |
| #define INSTRUMENT_H |
| |
| #include "portability/instr_time.h" |
| |
| struct CdbExplain_NodeSummary; /* private def in cdb/cdbexplain.c */ |
| |
| |
| typedef struct Instrumentation |
| { |
| /* 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 */ |
| /* Accumulated statistics across all completed cycles: */ |
| double startup; /* Max row Total startup time (in seconds) */ |
| double startupLast; /* Slowest Total startup time (in seconds) */ |
| double total; /* Max row Total total time (in seconds) */ |
| double totalLast; /* Slowest Total total time (in seconds) */ |
| double ntuples; /* Total tuples produced */ |
| double nloops; /* # of run cycles for this node */ |
| double execmemused; /* CDB: executor memory used (bytes) */ |
| double workmemused; /* CDB: work_mem actually used (bytes) */ |
| double workmemwanted; /* CDB: work_mem to avoid scratch i/o (bytes) */ |
| instr_time firststart; /* CDB: Start time of first iteration of node */ |
| instr_time firststartLast; /* CDB: Start time of first iteration of node which is slowest*/ |
| bool workfileReused; /* TRUE if cached workfiles reused in this node */ |
| bool workfileCreated;/* TRUE if workfiles are created in this node */ |
| int numPartScanned; /* Number of part tables scanned */ |
| struct CdbExplain_NodeSummary *cdbNodeSummary; /* stats from all qExecs */ |
| } Instrumentation; |
| |
| extern Instrumentation *InstrAlloc(int n); |
| extern void InstrStartNode(Instrumentation *instr); |
| extern void InstrStopNode(Instrumentation *instr, double nTuples); |
| extern void InstrEndLoop(Instrumentation *instr); |
| |
| #endif /* INSTRUMENT_H */ |