MySQL  8.0.27
Source Code Documentation
mysql_memory.h
Go to the documentation of this file.
1 /* Copyright (c) 2012, 2021, Oracle and/or its affiliates.
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.
6 
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.
13 
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 
33 /* HAVE_PSI_*_INTERFACE */
34 #include "my_psi_config.h" // IWYU pragma: keep
35 
36 #include "mysql/psi/psi_memory.h"
37 
38 #if defined(MYSQL_SERVER) || defined(PFS_DIRECT_CALL)
39 /* PSI_MEMORY_CALL() as direct call. */
40 #include "pfs_memory_provider.h" // IWYU pragma: keep
41 #endif
42 
43 #ifndef PSI_MEMORY_CALL
44 #define PSI_MEMORY_CALL(M) psi_memory_service->M
45 #endif
46 
47 /**
48  @defgroup psi_api_memory Memory Instrumentation (API)
49  @ingroup psi_api
50  @{
51 */
52 
53 /**
54  @def mysql_memory_register(P1, P2, P3)
55  Memory registration.
56 */
57 #define mysql_memory_register(P1, P2, P3) \
58  inline_mysql_memory_register(P1, P2, P3)
59 
60 static inline void inline_mysql_memory_register(
62  const char *category, PSI_memory_info *info, int count)
63 #else
64  const char *category [[maybe_unused]], void *info [[maybe_unused]],
65  int count [[maybe_unused]])
66 #endif
67 {
68 #ifdef HAVE_PSI_MEMORY_INTERFACE
69  PSI_MEMORY_CALL(register_memory)(category, info, count);
70 #endif
71 }
72 
73 /** @} (end of group psi_api_memory) */
74 
75 #endif
static void inline_mysql_memory_register(const char *category, PSI_memory_info *info, int count)
Definition: mysql_memory.h:60
Header for compiler-dependent features.
Defines various enable/disable and HAVE_ macros related to the performance schema instrumentation sys...
#define HAVE_PSI_MEMORY_INTERFACE
Definition: my_psi_config.h:205
static int count
Definition: myisam_ftdump.cc:42
#define PSI_MEMORY_CALL(M)
Definition: mysql_memory.h:44
Log info(cout, "NOTE")
static const char * category
Definition: sha2_password.cc:168
Performance schema instrumentation (declarations).
Performance schema instrumentation interface.
Memory instrument information.
Definition: psi_memory_bits.h:57