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diff --git a/include/mysql/psi/mysql_idle.h b/include/mysql/psi/mysql_idle.h
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+++ b/include/mysql/psi/mysql_idle.h
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+/* Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.   
+
+  This program is free software; you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation; version 2 of the License.
+
+  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 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, Suite 500, Boston, MA 02110-1335 USA */
+
+#ifndef MYSQL_IDLE_H
+#define MYSQL_IDLE_H
+
+/**
+  @file mysql/psi/mysql_idle.h
+  Instrumentation helpers for idle waits.
+*/
+
+#include "mysql/psi/psi.h"
+
+/**
+  @defgroup Idle_instrumentation Idle Instrumentation
+  @ingroup Instrumentation_interface
+  @{
+*/
+
+/**
+  @def MYSQL_START_IDLE_WAIT
+  Instrumentation helper for table io_waits.
+  This instrumentation marks the start of a wait event.
+  @param LOCKER the locker
+  @param STATE the locker state
+  @sa MYSQL_END_IDLE_WAIT.
+*/
+#ifdef HAVE_PSI_IDLE_INTERFACE
+  #define MYSQL_START_IDLE_WAIT(LOCKER, STATE) \
+    LOCKER= inline_mysql_start_idle_wait(STATE, __FILE__, __LINE__)
+#else
+  #define MYSQL_START_IDLE_WAIT(LOCKER, STATE) \
+    do {} while (0)
+#endif
+
+/**
+  @def MYSQL_END_IDLE_WAIT
+  Instrumentation helper for idle waits.
+  This instrumentation marks the end of a wait event.
+  @param LOCKER the locker
+  @sa MYSQL_START_IDLE_WAIT.
+*/
+#ifdef HAVE_PSI_IDLE_INTERFACE
+  #define MYSQL_END_IDLE_WAIT(LOCKER) \
+    inline_mysql_end_idle_wait(LOCKER)
+#else
+  #define MYSQL_END_IDLE_WAIT(LOCKER) \
+    do {} while (0)
+#endif
+
+#ifdef HAVE_PSI_IDLE_INTERFACE
+/**
+  Instrumentation calls for MYSQL_START_IDLE_WAIT.
+  @sa MYSQL_END_IDLE_WAIT.
+*/
+static inline struct PSI_idle_locker *
+inline_mysql_start_idle_wait(PSI_idle_locker_state *state,
+                             const char *src_file, int src_line)
+{
+  struct PSI_idle_locker *locker;
+  locker= PSI_IDLE_CALL(start_idle_wait)(state, src_file, src_line);
+  return locker;
+}
+
+/**
+  Instrumentation calls for MYSQL_END_IDLE_WAIT.
+  @sa MYSQL_START_IDLE_WAIT.
+*/
+static inline void
+inline_mysql_end_idle_wait(struct PSI_idle_locker *locker)
+{
+  if (likely(locker != NULL))
+    PSI_IDLE_CALL(end_idle_wait)(locker);
+}
+#endif
+
+/** @} (end of group Idle_instrumentation) */
+
+#endif
+