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, 221 insertions, 0 deletions

diff --git a/storage/perfschema/table_mems_by_host_by_event_name.cc b/storage/perfschema/table_mems_by_host_by_event_name.cc
new file mode 100644
index 00000000..0921dfa4
--- /dev/null
+++ b/storage/perfschema/table_mems_by_host_by_event_name.cc
@@ -0,0 +1,221 @@
+/* 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_by_host_by_event_name.cc
+  Table MEMORY_SUMMARY_BY_HOST_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_by_host_by_event_name.h"
+#include "pfs_global.h"
+#include "pfs_visitor.h"
+#include "pfs_memory.h"
+#include "pfs_buffer_container.h"
+#include "field.h"
+
+THR_LOCK table_mems_by_host_by_event_name::m_table_lock;
+
+PFS_engine_table_share
+table_mems_by_host_by_event_name::m_share=
+{
+  { C_STRING_WITH_LEN("memory_summary_by_host_by_event_name") },
+  &pfs_readonly_acl,
+  table_mems_by_host_by_event_name::create,
+  NULL, /* write_row */
+  table_mems_by_host_by_event_name::delete_all_rows,
+  table_mems_by_host_by_event_name::get_row_count,
+  sizeof(PFS_simple_index),
+  &m_table_lock,
+  { C_STRING_WITH_LEN("CREATE TABLE memory_summary_by_host_by_event_name("
+  "HOST CHAR(60) collate utf8_bin default null,"
+  "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_by_host_by_event_name::create(void)
+{
+  return new table_mems_by_host_by_event_name();
+}
+
+int
+table_mems_by_host_by_event_name::delete_all_rows(void)
+{
+  reset_memory_by_thread();
+  reset_memory_by_account();
+  reset_memory_by_host();
+  return 0;
+}
+
+ha_rows
+table_mems_by_host_by_event_name::get_row_count(void)
+{
+  return global_host_container.get_row_count() * memory_class_max;
+}
+
+table_mems_by_host_by_event_name::table_mems_by_host_by_event_name()
+  : PFS_engine_table(&m_share, &m_pos),
+  m_row_exists(false), m_pos(), m_next_pos()
+{}
+
+void table_mems_by_host_by_event_name::reset_position(void)
+{
+  m_pos.reset();
+  m_next_pos.reset();
+}
+
+int table_mems_by_host_by_event_name::rnd_next(void)
+{
+  PFS_host *host;
+  PFS_memory_class *memory_class;
+  bool has_more_host= true;
+
+  for (m_pos.set_at(&m_next_pos);
+       has_more_host;
+       m_pos.next_host())
+  {
+    host= global_host_container.get(m_pos.m_index_1, & has_more_host);
+    if (host != NULL)
+    {
+      do
+      {
+        memory_class= find_memory_class(m_pos.m_index_2);
+        if (memory_class != NULL)
+        {
+          if (! memory_class->is_global())
+          {
+            make_row(host, memory_class);
+            m_next_pos.set_after(&m_pos);
+            return 0;
+          }
+
+          m_pos.next_class();
+        }
+      }
+      while (memory_class != NULL);
+    }
+  }
+
+  return HA_ERR_END_OF_FILE;
+}
+
+int table_mems_by_host_by_event_name::rnd_pos(const void *pos)
+{
+  PFS_host *host;
+  PFS_memory_class *memory_class;
+
+  set_position(pos);
+
+  host= global_host_container.get(m_pos.m_index_1);
+  if (host != NULL)
+  {
+    memory_class= find_memory_class(m_pos.m_index_2);
+    if (memory_class != NULL)
+    {
+      if (! memory_class->is_global())
+      {
+        make_row(host, memory_class);
+        return 0;
+      }
+    }
+  }
+
+  return HA_ERR_RECORD_DELETED;
+}
+
+void table_mems_by_host_by_event_name
+::make_row(PFS_host *host, PFS_memory_class *klass)
+{
+  pfs_optimistic_state lock;
+  m_row_exists= false;
+
+  host->m_lock.begin_optimistic_lock(&lock);
+
+  if (m_row.m_host.make_row(host))
+    return;
+
+  m_row.m_event_name.make_row(klass);
+
+  PFS_connection_memory_visitor visitor(klass);
+  PFS_connection_iterator::visit_host(host,
+                                      true,  /* accounts */
+                                      true,  /* threads */
+                                      false, /* THDs */
+                                      & visitor);
+
+  if (! host->m_lock.end_optimistic_lock(&lock))
+    return;
+
+  m_row_exists= true;
+  m_row.m_stat.set(& visitor.m_stat);
+}
+
+int table_mems_by_host_by_event_name::read_row_values(TABLE *table,
+                                                    unsigned char *buf,
+                                                    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 == 1);
+  buf[0]= 0;
+
+  for (; (f= *fields) ; fields++)
+  {
+    if (read_all || bitmap_is_set(table->read_set, f->field_index))
+    {
+      switch(f->field_index)
+      {
+      case 0: /* HOST */
+        m_row.m_host.set_field(f);
+        break;
+      case 1: /* EVENT_NAME */
+        m_row.m_event_name.set_field(f);
+        break;
+      default: /* 2, ... HIGH_NUMBER_OF_BYTES_USED */
+        m_row.m_stat.set_field(f->field_index - 2, f);
+        break;
+      }
+    }
+  }
+
+  return 0;
+}
+