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/* Copyright (c) 2010, 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, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */
#include "my_global.h"
#include "my_pthread.h"
#include "pfs_con_slice.h"
#include "pfs_stat.h"
#include "pfs_global.h"
#include "pfs_instr_class.h"
/**
@file storage/perfschema/pfs_con_slice.cc
Performance schema connection slice (implementation).
*/
/**
@addtogroup Performance_schema_buffers
@{
*/
PFS_single_stat *
PFS_connection_slice::alloc_waits_slice(uint sizing)
{
PFS_single_stat *slice= NULL;
uint index;
if (sizing > 0)
{
slice= PFS_MALLOC_ARRAY(sizing, PFS_single_stat, MYF(MY_ZEROFILL));
if (unlikely(slice == NULL))
return NULL;
for (index= 0; index < sizing; index++)
slice[index].reset();
}
return slice;
}
PFS_stage_stat *
PFS_connection_slice::alloc_stages_slice(uint sizing)
{
PFS_stage_stat *slice= NULL;
uint index;
if (sizing > 0)
{
slice= PFS_MALLOC_ARRAY(sizing, PFS_stage_stat, MYF(MY_ZEROFILL));
if (unlikely(slice == NULL))
return NULL;
for (index= 0; index < sizing; index++)
slice[index].reset();
}
return slice;
}
PFS_statement_stat *
PFS_connection_slice::alloc_statements_slice(uint sizing)
{
PFS_statement_stat *slice= NULL;
uint index;
if (sizing > 0)
{
slice= PFS_MALLOC_ARRAY(sizing, PFS_statement_stat, MYF(MY_ZEROFILL));
if (unlikely(slice == NULL))
return NULL;
for (index= 0; index < sizing; index++)
slice[index].reset();
}
return slice;
}
void PFS_connection_slice::reset_waits_stats()
{
PFS_single_stat *stat= m_instr_class_waits_stats;
PFS_single_stat *stat_last= stat + wait_class_max;
for ( ; stat < stat_last; stat++)
stat->reset();
}
void PFS_connection_slice::reset_stages_stats()
{
PFS_stage_stat *stat= m_instr_class_stages_stats;
PFS_stage_stat *stat_last= stat + stage_class_max;
for ( ; stat < stat_last; stat++)
stat->reset();
}
void PFS_connection_slice::reset_statements_stats()
{
PFS_statement_stat *stat= m_instr_class_statements_stats;
PFS_statement_stat *stat_last= stat + statement_class_max;
for ( ; stat < stat_last; stat++)
stat->reset();
}
/** @} */
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