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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-13 12:24:36 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-13 12:24:36 +0000
commit06eaf7232e9a920468c0f8d74dcf2fe8b555501c (patch)
treee2c7b5777f728320e5b5542b6213fd3591ba51e2 /storage/perfschema/pfs.h
parentInitial commit. (diff)
downloadmariadb-06eaf7232e9a920468c0f8d74dcf2fe8b555501c.tar.xz
mariadb-06eaf7232e9a920468c0f8d74dcf2fe8b555501c.zip
Adding upstream version 1:10.11.6.upstream/1%10.11.6
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'storage/perfschema/pfs.h')
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+/* Copyright (c) 2008, 2023, Oracle and/or its affiliates.
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License, version 2.0,
+ as published by the Free Software Foundation.
+
+ This program is also distributed with certain software (including
+ but not limited to OpenSSL) that is licensed under separate terms,
+ as designated in a particular file or component or in included license
+ documentation. The authors of MySQL hereby grant you an additional
+ permission to link the program and your derivative works with the
+ separately licensed software that they have included with MySQL.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License, version 2.0, for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software Foundation,
+ 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335 USA */
+
+#ifndef PFS_H
+#define PFS_H
+
+/**
+ @file storage/perfschema/pfs.h
+ Performance schema instrumentation (declarations).
+*/
+
+#define HAVE_PSI_1
+
+#include <my_global.h>
+#include "my_thread.h"
+#include <mysql/psi/psi.h>
+
+/**
+ Entry point to the performance schema implementation.
+ This singleton is used to discover the performance schema services.
+*/
+extern struct PSI_bootstrap PFS_bootstrap;
+/** Performance schema Thread Local Storage key. */
+extern pthread_key_t THR_PFS;
+extern pthread_key_t THR_PFS_VG; // global_variables
+extern pthread_key_t THR_PFS_SV; // session_variables
+extern pthread_key_t THR_PFS_VBT; // variables_by_thread
+extern pthread_key_t THR_PFS_SG; // global_status
+extern pthread_key_t THR_PFS_SS; // session_status
+extern pthread_key_t THR_PFS_SBT; // status_by_thread
+extern pthread_key_t THR_PFS_SBU; // status_by_user
+extern pthread_key_t THR_PFS_SBA; // status_by_host
+extern pthread_key_t THR_PFS_SBH; // status_by_account
+
+/** True when @c THR_PFS and all other Performance Schema TLS keys are initialized. */
+extern bool THR_PFS_initialized;
+
+#define PSI_VOLATILITY_UNKNOWN 0
+#define PSI_VOLATILITY_SESSION 1
+
+#define PSI_COUNT_VOLATILITY 2
+
+#endif
+