Adding upstream version 1:10.11.6.upstream/1%10.11.6upstream

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

1 files changed, 261 insertions, 0 deletions

diff --git a/storage/perfschema/pfs_con_slice.h b/storage/perfschema/pfs_con_slice.h
new file mode 100644
index 00000000..f0a89c8f
--- /dev/null
+++ b/storage/perfschema/pfs_con_slice.h
@@ -0,0 +1,261 @@
+/* Copyright (c) 2010, 2023, Oracle and/or its affiliates.
+
+  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, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1335  USA */
+
+#ifndef PFS_CON_SLICE_H
+#define PFS_CON_SLICE_H
+
+/**
+  @file storage/perfschema/pfs_con_slice.h
+  Performance schema connection slice (declarations).
+*/
+
+#include "sql_class.h"
+#include "pfs_lock.h"
+#include "lf.h"
+#include "pfs_status.h"
+
+struct PFS_single_stat;
+struct PFS_stage_stat;
+struct PFS_statement_stat;
+struct PFS_transaction_stat;
+struct PFS_memory_stat;
+class PFS_opaque_container_page;
+
+/**
+  @addtogroup Performance_schema_buffers
+  @{
+*/
+
+/**
+  A connection slice, an arbitrary grouping of several connections.
+  This structure holds statistics for grouping of connections.
+*/
+struct PFS_connection_slice
+{
+  /** Reset all statistics. */
+  inline void reset_stats()
+  {
+    m_has_waits_stats= false;
+    m_has_stages_stats= false;
+    m_has_statements_stats= false;
+    m_has_transactions_stats= false;
+    m_has_memory_stats= false;
+    reset_status_stats();
+  }
+
+  /** Reset all wait statistics. */
+  void reset_waits_stats();
+  /** Reset all stages statistics. */
+  void reset_stages_stats();
+  /** Reset all statements statistics. */
+  void reset_statements_stats();
+  /** Reset all transactions statistics. */
+  void reset_transactions_stats();
+  /** Reset all memory statistics. */
+  void rebase_memory_stats();
+  /** Reset all status variable statistics. */
+  void reset_status_stats()
+  {
+    m_status_stats.reset();
+  }
+
+  void set_instr_class_waits_stats(PFS_single_stat *array)
+  {
+    m_has_waits_stats= false;
+    m_instr_class_waits_stats= array;
+  }
+
+  const PFS_single_stat* read_instr_class_waits_stats() const
+  {
+    if (! m_has_waits_stats)
+      return NULL;
+    return m_instr_class_waits_stats;
+  }
+
+  PFS_single_stat* write_instr_class_waits_stats()
+  {
+    if (! m_has_waits_stats)
+    {
+      reset_waits_stats();
+      m_has_waits_stats= true;
+    }
+    return m_instr_class_waits_stats;
+  }
+
+  void set_instr_class_stages_stats(PFS_stage_stat *array)
+  {
+    m_has_stages_stats= false;
+    m_instr_class_stages_stats= array;
+  }
+
+  const PFS_stage_stat* read_instr_class_stages_stats() const
+  {
+    if (! m_has_stages_stats)
+      return NULL;
+    return m_instr_class_stages_stats;
+  }
+
+  PFS_stage_stat* write_instr_class_stages_stats()
+  {
+    if (! m_has_stages_stats)
+    {
+      reset_stages_stats();
+      m_has_stages_stats= true;
+    }
+    return m_instr_class_stages_stats;
+  }
+
+  void set_instr_class_statements_stats(PFS_statement_stat *array)
+  {
+    m_has_statements_stats= false;
+    m_instr_class_statements_stats= array;
+  }
+
+  const PFS_statement_stat* read_instr_class_statements_stats() const
+  {
+    if (! m_has_statements_stats)
+      return NULL;
+    return m_instr_class_statements_stats;
+  }
+
+  PFS_statement_stat* write_instr_class_statements_stats()
+  {
+    if (! m_has_statements_stats)
+    {
+      reset_statements_stats();
+      m_has_statements_stats= true;
+    }
+    return m_instr_class_statements_stats;
+  }
+
+  void set_instr_class_transactions_stats(PFS_transaction_stat *array)
+  {
+    m_has_transactions_stats= false;
+    m_instr_class_transactions_stats= array;
+  }
+
+  const PFS_transaction_stat* read_instr_class_transactions_stats() const
+  {
+    if (! m_has_transactions_stats)
+      return NULL;
+    return m_instr_class_transactions_stats;
+  }
+
+  PFS_transaction_stat* write_instr_class_transactions_stats()
+  {
+    if (! m_has_transactions_stats)
+    {
+      reset_transactions_stats();
+      m_has_transactions_stats= true;
+    }
+    return m_instr_class_transactions_stats;
+  }
+
+  void set_instr_class_memory_stats(PFS_memory_stat *array)
+  {
+    m_has_memory_stats= false;
+    m_instr_class_memory_stats= array;
+  }
+
+  const PFS_memory_stat* read_instr_class_memory_stats() const
+  {
+    if (! m_has_memory_stats)
+      return NULL;
+    return m_instr_class_memory_stats;
+  }
+
+  PFS_memory_stat* write_instr_class_memory_stats()
+  {
+    if (! m_has_memory_stats)
+    {
+      rebase_memory_stats();
+      m_has_memory_stats= true;
+    }
+    return m_instr_class_memory_stats;
+  }
+
+private:
+  bool m_has_waits_stats;
+  bool m_has_stages_stats;
+  bool m_has_statements_stats;
+  bool m_has_transactions_stats;
+  bool m_has_memory_stats;
+
+  /**
+    Per connection slice waits aggregated statistics.
+    This member holds the data for the table
+    PERFORMANCE_SCHEMA.EVENTS_WAITS_SUMMARY_BY_*_BY_EVENT_NAME.
+    Immutable, safe to use without internal lock.
+  */
+  PFS_single_stat *m_instr_class_waits_stats;
+
+  /**
+    Per connection slice stages aggregated statistics.
+    This member holds the data for the table
+    PERFORMANCE_SCHEMA.EVENTS_STAGES_SUMMARY_BY_*_BY_EVENT_NAME.
+    Immutable, safe to use without internal lock.
+  */
+  PFS_stage_stat *m_instr_class_stages_stats;
+
+  /**
+    Per connection slice statements aggregated statistics.
+    This member holds the data for the table
+    PERFORMANCE_SCHEMA.EVENTS_STATEMENTS_SUMMARY_BY_*_BY_EVENT_NAME.
+    Immutable, safe to use without internal lock.
+  */
+  PFS_statement_stat *m_instr_class_statements_stats;
+
+  /**
+    Per connection slice transactions aggregated statistics.
+    This member holds the data for the table
+    PERFORMANCE_SCHEMA.EVENTS_TRANSACTIONS_SUMMARY_BY_*_BY_EVENT_NAME.
+    Immutable, safe to use without internal lock.
+  */
+  PFS_transaction_stat *m_instr_class_transactions_stats;
+
+  /**
+    Per connection slice memory aggregated statistics.
+    This member holds the data for the table
+    PERFORMANCE_SCHEMA.MEMORY_SUMMARY_BY_*_BY_EVENT_NAME.
+    Immutable, safe to use without internal lock.
+  */
+  PFS_memory_stat *m_instr_class_memory_stats;
+
+public:
+
+  void aggregate_status_stats(const STATUS_VAR *status_vars)
+  {
+    m_status_stats.aggregate_from(status_vars);
+  }
+
+  /**
+    Aggregated status variables.
+  */
+  PFS_status_stats m_status_stats;
+
+  /** Container page. */
+  PFS_opaque_container_page *m_page;
+};
+
+/** @} */
+#endif
+