1 files changed, 98 insertions, 0 deletions
diff --git a/storage/perfschema/pfs_memory.cc b/storage/perfschema/pfs_memory.cc
new file mode 100644
index 00000000000..c4e92d7d6b0
--- /dev/null
+++ b/storage/perfschema/pfs_memory.cc
@@ -0,0 +1,98 @@
+/* Copyright (c) 2013, 2015, 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, 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, Suite 500, Boston, MA 02110-1335 USA */
+
+/**
+  @file storage/perfschema/pfs_memory.cc
+  Memory statistics aggregation (implementation).
+*/
+
+#include "my_global.h"
+#include "my_sys.h"
+#include "pfs_global.h"
+#include "pfs_instr_class.h"
+#include "pfs_instr.h"
+#include "pfs_account.h"
+#include "pfs_host.h"
+#include "pfs_user.h"
+#include "pfs_atomic.h"
+#include "pfs_buffer_container.h"
+#include "m_string.h"
+
+static void fct_reset_memory_by_thread(PFS_thread *pfs)
+{
+  PFS_account *account= sanitize_account(pfs->m_account);
+  PFS_user *user= sanitize_user(pfs->m_user);
+  PFS_host *host= sanitize_host(pfs->m_host);
+  aggregate_thread_memory(true, pfs, account, user, host);
+}
+
+/** Reset table MEMORY_SUMMARY_BY_THREAD_BY_EVENT_NAME data. */
+void reset_memory_by_thread()
+{
+  global_thread_container.apply(fct_reset_memory_by_thread);
+}
+
+static void fct_reset_memory_by_account(PFS_account *pfs)
+{
+  PFS_user *user= sanitize_user(pfs->m_user);
+  PFS_host *host= sanitize_host(pfs->m_host);
+  pfs->aggregate_memory(true, user, host);
+}
+
+/** Reset table MEMORY_SUMMARY_BY_ACCOUNT_BY_EVENT_NAME data. */
+void reset_memory_by_account()
+{
+  global_account_container.apply(fct_reset_memory_by_account);
+}
+
+static void fct_reset_memory_by_user(PFS_user *pfs)
+{
+  pfs->aggregate_memory(true);
+}
+
+/** Reset table MEMORY_SUMMARY_BY_USER_BY_EVENT_NAME data. */
+void reset_memory_by_user()
+{
+  global_user_container.apply(fct_reset_memory_by_user);
+}
+
+static void fct_reset_memory_by_host(PFS_host *pfs)
+{
+  pfs->aggregate_memory(true);
+}
+
+/** Reset table MEMORY_SUMMARY_BY_HOST_BY_EVENT_NAME data. */
+void reset_memory_by_host()
+{
+  global_host_container.apply(fct_reset_memory_by_host);
+}
+
+/** Reset table MEMORY_GLOBAL_BY_EVENT_NAME data. */
+void reset_memory_global()
+{
+  PFS_memory_stat *stat= global_instr_class_memory_array;
+  PFS_memory_stat *stat_last= global_instr_class_memory_array + memory_class_max;
+
+  for ( ; stat < stat_last; stat++)
+    stat->rebase();
+}
+