Adding upstream version 1:10.5.12.upstream/1%10.5.12upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 241 insertions, 0 deletions

diff --git a/storage/perfschema/table_mems_global_by_event_name.cc b/storage/perfschema/table_mems_global_by_event_name.cc
new file mode 100644
index 00000000..93496e38
--- /dev/null
+++ b/storage/perfschema/table_mems_global_by_event_name.cc
@@ -0,0 +1,241 @@
+/* Copyright (c) 2011, 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/table_mems_global_by_event_name.cc
+  Table MEMORY_SUMMARY_GLOBAL_BY_EVENT_NAME (implementation).
+*/
+
+#include "my_global.h"
+#include "my_thread.h"
+#include "pfs_instr_class.h"
+#include "pfs_column_types.h"
+#include "pfs_column_values.h"
+#include "table_mems_global_by_event_name.h"
+#include "pfs_global.h"
+#include "pfs_visitor.h"
+#include "pfs_builtin_memory.h"
+#include "pfs_memory.h"
+#include "field.h"
+
+THR_LOCK table_mems_global_by_event_name::m_table_lock;
+
+PFS_engine_table_share
+table_mems_global_by_event_name::m_share=
+{
+  { C_STRING_WITH_LEN("memory_summary_global_by_event_name") },
+  &pfs_readonly_acl,
+  table_mems_global_by_event_name::create,
+  NULL, /* write_row */
+  table_mems_global_by_event_name::delete_all_rows,
+  table_mems_global_by_event_name::get_row_count,
+  sizeof(pos_t),
+  &m_table_lock,
+  { C_STRING_WITH_LEN("CREATE TABLE memory_summary_global_by_event_name("
+  "EVENT_NAME VARCHAR(128) not null,"
+  "COUNT_ALLOC BIGINT unsigned not null,"
+  "COUNT_FREE BIGINT unsigned not null,"
+  "SUM_NUMBER_OF_BYTES_ALLOC BIGINT unsigned not null,"
+  "SUM_NUMBER_OF_BYTES_FREE BIGINT unsigned not null,"
+  "LOW_COUNT_USED BIGINT not null,"
+  "CURRENT_COUNT_USED BIGINT not null,"
+  "HIGH_COUNT_USED BIGINT not null,"
+  "LOW_NUMBER_OF_BYTES_USED BIGINT not null,"
+  "CURRENT_NUMBER_OF_BYTES_USED BIGINT not null,"
+  "HIGH_NUMBER_OF_BYTES_USED BIGINT not null)")},
+  false  /* perpetual */
+};
+
+PFS_engine_table* table_mems_global_by_event_name::create(void)
+{
+  return new table_mems_global_by_event_name();
+}
+
+int
+table_mems_global_by_event_name::delete_all_rows(void)
+{
+  reset_memory_by_thread();
+  reset_memory_by_account();
+  reset_memory_by_user();
+  reset_memory_by_host();
+  reset_memory_global();
+  return 0;
+}
+
+ha_rows
+table_mems_global_by_event_name::get_row_count(void)
+{
+  return memory_class_max;
+}
+
+table_mems_global_by_event_name::table_mems_global_by_event_name()
+  : PFS_engine_table(&m_share, &m_pos),
+  m_row_exists(false), m_pos(), m_next_pos()
+{}
+
+void table_mems_global_by_event_name::reset_position(void)
+{
+  m_pos.reset();
+  m_next_pos.reset();
+}
+
+int table_mems_global_by_event_name::rnd_next(void)
+{
+  PFS_memory_class *pfs;
+  PFS_builtin_memory_class *pfs_builtin;
+
+  /* Do not advertise hard coded instruments when disabled. */
+  if (! pfs_initialized)
+    return HA_ERR_END_OF_FILE;
+
+  for (m_pos.set_at(&m_next_pos);
+       m_pos.has_more_view();
+       m_pos.next_view())
+  {
+    switch (m_pos.m_index_1)
+    {
+    case pos_mems_global_by_event_name::VIEW_BUILTIN_MEMORY:
+      pfs_builtin= find_builtin_memory_class(m_pos.m_index_2);
+      if (pfs_builtin != NULL)
+      {
+        make_row(pfs_builtin);
+        m_next_pos.set_after(&m_pos);
+        return 0;
+      }
+      break;
+    case pos_mems_global_by_event_name::VIEW_MEMORY:
+      pfs= find_memory_class(m_pos.m_index_2);
+      if (pfs != NULL)
+      {
+        make_row(pfs);
+        m_next_pos.set_after(&m_pos);
+        return 0;
+      }
+      break;
+    }
+  }
+
+  return HA_ERR_END_OF_FILE;
+}
+
+int table_mems_global_by_event_name::rnd_pos(const void *pos)
+{
+  PFS_builtin_memory_class *pfs_builtin;
+  PFS_memory_class *pfs;
+
+  /* Do not advertise hard coded instruments when disabled. */
+  if (! pfs_initialized)
+    return HA_ERR_END_OF_FILE;
+
+  set_position(pos);
+
+  switch(m_pos.m_index_1)
+  {
+  case pos_mems_global_by_event_name::VIEW_BUILTIN_MEMORY:
+    pfs_builtin= find_builtin_memory_class(m_pos.m_index_2);
+    if (pfs_builtin != NULL)
+    {
+      make_row(pfs_builtin);
+      return 0;
+    }
+    break;
+  case pos_mems_global_by_event_name::VIEW_MEMORY:
+    pfs= find_memory_class(m_pos.m_index_2);
+    if (pfs != NULL)
+    {
+      make_row(pfs);
+      return 0;
+    }
+    break;
+  }
+
+  return HA_ERR_RECORD_DELETED;
+}
+
+void table_mems_global_by_event_name::make_row(PFS_memory_class *klass)
+{
+  m_row.m_event_name.make_row(klass);
+
+  PFS_connection_memory_visitor visitor(klass);
+
+  if (klass->is_global())
+  {
+    PFS_connection_iterator::visit_global(false, /* hosts */
+                                          false, /* users */
+                                          false, /* accounts */
+                                          false, /* threads */
+                                          false, /* THDs */
+                                          &visitor);
+  }
+  else
+  {
+    PFS_connection_iterator::visit_global(true,  /* hosts */
+                                          false, /* users */
+                                          true,  /* accounts */
+                                          true,  /* threads */
+                                          false, /* THDs */
+                                          &visitor);
+  }
+
+  m_row.m_stat.set(& visitor.m_stat);
+  m_row_exists= true;
+}
+
+void table_mems_global_by_event_name::make_row(PFS_builtin_memory_class *klass)
+{
+  m_row.m_event_name.make_row(& klass->m_class);
+  m_row.m_stat.set(& klass->m_stat);
+  m_row_exists= true;
+}
+
+int table_mems_global_by_event_name::read_row_values(TABLE *table,
+                                                    unsigned char *,
+                                                    Field **fields,
+                                                    bool read_all)
+{
+  Field *f;
+
+  if (unlikely(! m_row_exists))
+    return HA_ERR_RECORD_DELETED;
+
+  /* Set the null bits */
+  DBUG_ASSERT(table->s->null_bytes == 0);
+
+  for (; (f= *fields) ; fields++)
+  {
+    if (read_all || bitmap_is_set(table->read_set, f->field_index))
+    {
+      switch(f->field_index)
+      {
+      case 0: /* EVENT_NAME */
+        m_row.m_event_name.set_field(f);
+        break;
+      default: /* 1, ... HIGH_NUMBER_OF_BYTES_USED */
+        m_row.m_stat.set_field(f->field_index - 1, f);
+        break;
+      }
+    }
+  }
+
+  return 0;
+}
+