104 lines
2.9 KiB
C
104 lines
2.9 KiB
C
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/* Copyright (c) 2011, 2022, Oracle and/or its affiliates.
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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 General Public License, version 2.0,
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as published by the Free Software Foundation.
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This program is also distributed with certain software (including
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but not limited to OpenSSL) that is licensed under separate terms,
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as designated in a particular file or component or in included license
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documentation. The authors of MySQL hereby grant you an additional
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permission to link the program and your derivative works with the
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separately licensed software that they have included with MySQL.
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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 General Public License, version 2.0, for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software Foundation,
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51 Franklin Street, Suite 500, Boston, MA 02110-1335 USA */
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#ifndef MYSQL_IDLE_H
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#define MYSQL_IDLE_H
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/**
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@file mysql/psi/mysql_idle.h
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Instrumentation helpers for idle waits.
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*/
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#include "mysql/psi/psi.h"
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#ifndef PSI_IDLE_CALL
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#define PSI_IDLE_CALL(M) PSI_DYNAMIC_CALL(M)
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#endif
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/**
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@defgroup Idle_instrumentation Idle Instrumentation
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@ingroup Instrumentation_interface
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@{
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*/
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/**
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@def MYSQL_START_IDLE_WAIT
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Instrumentation helper for table io_waits.
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This instrumentation marks the start of a wait event.
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@param LOCKER the locker
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@param STATE the locker state
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@sa MYSQL_END_IDLE_WAIT.
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*/
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#ifdef HAVE_PSI_IDLE_INTERFACE
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#define MYSQL_START_IDLE_WAIT(LOCKER, STATE) \
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LOCKER= inline_mysql_start_idle_wait(STATE, __FILE__, __LINE__)
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#else
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#define MYSQL_START_IDLE_WAIT(LOCKER, STATE) \
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do {} while (0)
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#endif
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/**
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@def MYSQL_END_IDLE_WAIT
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Instrumentation helper for idle waits.
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This instrumentation marks the end of a wait event.
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@param LOCKER the locker
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@sa MYSQL_START_IDLE_WAIT.
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*/
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#ifdef HAVE_PSI_IDLE_INTERFACE
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#define MYSQL_END_IDLE_WAIT(LOCKER) \
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inline_mysql_end_idle_wait(LOCKER)
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#else
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#define MYSQL_END_IDLE_WAIT(LOCKER) \
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do {} while (0)
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#endif
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#ifdef HAVE_PSI_IDLE_INTERFACE
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/**
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Instrumentation calls for MYSQL_START_IDLE_WAIT.
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@sa MYSQL_END_IDLE_WAIT.
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*/
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static inline struct PSI_idle_locker *
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inline_mysql_start_idle_wait(PSI_idle_locker_state *state,
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const char *src_file, int src_line)
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{
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struct PSI_idle_locker *locker;
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locker= PSI_IDLE_CALL(start_idle_wait)(state, src_file, src_line);
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return locker;
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}
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/**
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Instrumentation calls for MYSQL_END_IDLE_WAIT.
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@sa MYSQL_START_IDLE_WAIT.
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*/
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static inline void
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inline_mysql_end_idle_wait(struct PSI_idle_locker *locker)
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{
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if (likely(locker != NULL))
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PSI_IDLE_CALL(end_idle_wait)(locker);
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}
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#endif
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/** @} (end of group Idle_instrumentation) */
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#endif
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