MySQL  8.0.16
Source Code Documentation
mysql_memory.h
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1 /* Copyright (c) 2012, 2019, Oracle and/or its affiliates. All rights reserved.
2 
3  This program is free software; you can redistribute it and/or modify
4  it under the terms of the GNU General Public License, version 2.0,
5  as published by the Free Software Foundation.
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7  This program is also distributed with certain software (including
8  but not limited to OpenSSL) that is licensed under separate terms,
9  as designated in a particular file or component or in included license
10  documentation. The authors of MySQL hereby grant you an additional
11  permission to link the program and your derivative works with the
12  separately licensed software that they have included with MySQL.
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14  This program is distributed in the hope that it will be useful,
15  but WITHOUT ANY WARRANTY; without even the implied warranty of
16  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17  GNU General Public License, version 2.0, for more details.
18 
19  You should have received a copy of the GNU General Public License
20  along with this program; if not, write to the Free Software
21  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */
22 
23 #ifndef MYSQL_MEMORY_H
24 #define MYSQL_MEMORY_H
25 
26 /**
27  @file include/mysql/psi/mysql_memory.h
28  Instrumentation helpers for memory allocation.
29 */
30 
31 #include "my_compiler.h"
32 #include "mysql/psi/psi_memory.h"
33 
34 #ifndef PSI_MEMORY_CALL
35 #define PSI_MEMORY_CALL(M) psi_memory_service->M
36 #endif
37 
38 /**
39  @defgroup psi_api_memory Memory Instrumentation (API)
40  @ingroup psi_api
41  @{
42 */
43 
44 /**
45  @def mysql_memory_register(P1, P2, P3)
46  Memory registration.
47 */
48 #define mysql_memory_register(P1, P2, P3) \
49  inline_mysql_memory_register(P1, P2, P3)
50 
51 static inline void inline_mysql_memory_register(
53  const char *category, PSI_memory_info *info, int count)
54 #else
55  const char *category MY_ATTRIBUTE((unused)),
56  void *info MY_ATTRIBUTE((unused)), int count MY_ATTRIBUTE((unused)))
57 #endif
58 {
59 #ifdef HAVE_PSI_MEMORY_INTERFACE
60  PSI_MEMORY_CALL(register_memory)(category, info, count);
61 #endif
62 }
63 
64  /** @} (end of group psi_api_memory) */
65 
66 #endif
static void inline_mysql_memory_register(const char *category, PSI_memory_info *info, int count)
Definition: mysql_memory.h:51
ssize_t count
Definition: memcached.c:386
#define HAVE_PSI_MEMORY_INTERFACE
Definition: my_psi_config.h:204
Memory instrument information.
Definition: psi_memory_bits.h:55
Header for compiler-dependent features.
static const char * category
Definition: sha2_password.cc:168
Performance schema instrumentation interface.
#define PSI_MEMORY_CALL(M)
Definition: mysql_memory.h:35
Log info(cout, "NOTE")