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firebird-mirror/src/jrd/RuntimeStatistics.h
dimitr 4b5b5741b8 Added a new class to handle aggregated multi-level performance counters.
Unavailable externally for now, the code exists just to be tested in production.
2006-10-07 10:42:02 +00:00

80 lines
1.9 KiB
C++

/*
* The contents of this file are subject to the Initial
* Developer's Public License Version 1.0 (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.ibphoenix.com/main.nfs?a=ibphoenix&page=ibp_idpl.
*
* Software distributed under the License is distributed AS IS,
* WITHOUT WARRANTY OF ANY KIND, either express or implied.
* See the License for the specific language governing rights
* and limitations under the License.
*
* The Original Code was created by Dmitry Yemanov
* for the Firebird Open Source RDBMS project.
*
* Copyright (c) 2006 Dmitry Yemanov <dimitr@users.sf.net>
* and all contributors signed below.
*
* All Rights Reserved.
* Contributor(s): ______________________________________.
*/
#ifndef JRD_RUNTIME_STATISTICS_H
#define JRD_RUNTIME_STATISTICS_H
#include "../common/classes/alloc.h"
#include "../common/classes/array.h"
namespace Jrd {
class thread_db;
// Multi-level runtime statistics class
class RuntimeStatistics {
public:
enum {
PAGE_FETCHES = 0,
PAGE_READS,
PAGE_MARKS,
PAGE_WRITES,
FLUSHES,
RECORD_SEQ_READS,
RECORD_IDX_READS,
RECORD_INSERTS,
RECORD_UPDATES,
RECORD_DELETES,
RECORD_BACKOUTS,
RECORD_PURGES,
RECORD_EXPUNGES,
SORTS,
SORT_GETS,
SORT_PUTS,
STMT_PREPARES,
STMT_EXECUTES,
TOTAL_ITEMS
};
explicit RuntimeStatistics(Firebird::MemoryPool&, RuntimeStatistics* = NULL);
~RuntimeStatistics() {}
void setParent(RuntimeStatistics*);
void bumpValue(size_t);
SINT64 getValue(size_t) const;
static void bumpValue(thread_db*, size_t);
private:
// copying is prohibited
RuntimeStatistics(const RuntimeStatistics&);
RuntimeStatistics& operator= (const RuntimeStatistics&);
RuntimeStatistics* parent;
Firebird::Array<SINT64> values;
};
} // namespace
#endif // JRD_RUNTIME_STATISTICS_H