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110 lines
3.1 KiB
C++
110 lines
3.1 KiB
C++
// counters.cpp
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/*
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* Copyright (C) 2010 10gen Inc.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License, version 3,
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* as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "stdafx.h"
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#include "../jsobj.h"
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#include "counters.h"
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namespace mongo {
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OpCounters::OpCounters(){
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int zero = 0;
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BSONObjBuilder b;
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b.append( "insert" , zero );
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b.append( "query" , zero );
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b.append( "update" , zero );
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b.append( "delete" , zero );
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b.append( "getmore" , zero );
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b.append( "command" , zero );
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_obj = b.obj();
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_insert = (int*)_obj["insert"].value();
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_query = (int*)_obj["query"].value();
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_update = (int*)_obj["update"].value();
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_delete = (int*)_obj["delete"].value();
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_getmore = (int*)_obj["getmore"].value();
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_command = (int*)_obj["command"].value();
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}
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void OpCounters::gotOp( int op , bool isCommand ){
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switch ( op ){
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case dbInsert: gotInsert(); break;
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case dbQuery:
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if ( isCommand )
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gotCommand();
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else
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gotQuery();
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break;
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case dbUpdate: gotUpdate(); break;
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case dbDelete: gotDelete(); break;
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case dbGetMore: gotGetMore(); break;
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case dbKillCursors:
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case opReply:
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case dbMsg:
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break;
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default: log() << "OpCounters::gotOp unknown op: " << op << endl;
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}
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}
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IndexCounters::IndexCounters(){
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_memSupported = _pi.blockCheckSupported();
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_btreeMemHits = 0;
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_btreeMemMisses = 0;
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_btreeAccesses = 0;
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_maxAllowed = ( numeric_limits< long long >::max() ) / 2;
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_resets = 0;
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_sampling = 0;
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_samplingrate = 100;
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}
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void IndexCounters::append( BSONObjBuilder& b ){
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if ( ! _memSupported ){
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b.append( "note" , "not supported on this platform" );
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return;
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}
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BSONObjBuilder bb( b.subobjStart( "btree" ) );
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bb.appendIntOrLL( "accesses" , _btreeAccesses );
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bb.appendIntOrLL( "hits" , _btreeMemHits );
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bb.appendIntOrLL( "misses" , _btreeMemMisses );
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bb.append( "resets" , _resets );
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bb.append( "missRatio" , (_btreeAccesses ? (_btreeMemMisses / (double)_btreeAccesses) : 0) );
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bb.done();
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if ( _btreeAccesses > _maxAllowed ){
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_btreeAccesses = 0;
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_btreeMemMisses = 0;
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_btreeMemHits = 0;
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_resets++;
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}
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}
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OpCounters globalOpCounters;
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IndexCounters globalIndexCounters;
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}
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