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mariadb/storage/perfschema/table_file_summary_by_event_name.cc
2013-08-21 18:20:22 +03:00

353 lines
9.1 KiB
C++

/* Copyright (c) 2008, 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,
51 Franklin Street, Suite 500, Boston, MA 02110-1335 USA */
/**
@file storage/perfschema/table_file_summary.cc
Table FILE_SUMMARY_BY_EVENT_NAME(implementation).
*/
#include "my_global.h"
#include "my_pthread.h"
#include "pfs_instr_class.h"
#include "pfs_column_types.h"
#include "pfs_column_values.h"
#include "table_file_summary_by_event_name.h"
#include "pfs_global.h"
#include "pfs_visitor.h"
THR_LOCK table_file_summary_by_event_name::m_table_lock;
static const TABLE_FIELD_TYPE field_types[]=
{
{
{ C_STRING_WITH_LEN("EVENT_NAME") },
{ C_STRING_WITH_LEN("varchar(128)") },
{ NULL, 0}
},
{
{ C_STRING_WITH_LEN("COUNT_STAR") },
{ C_STRING_WITH_LEN("bigint(20)") },
{ NULL, 0}
},
{
{ C_STRING_WITH_LEN("SUM_TIMER_WAIT") },
{ C_STRING_WITH_LEN("bigint(20)") },
{ NULL, 0}
},
{
{ C_STRING_WITH_LEN("MIN_TIMER_WAIT") },
{ C_STRING_WITH_LEN("bigint(20)") },
{ NULL, 0}
},
{
{ C_STRING_WITH_LEN("AVG_TIMER_WAIT") },
{ C_STRING_WITH_LEN("bigint(20)") },
{ NULL, 0}
},
{
{ C_STRING_WITH_LEN("MAX_TIMER_WAIT") },
{ C_STRING_WITH_LEN("bigint(20)") },
{ NULL, 0}
},
/** Read */
{
{ C_STRING_WITH_LEN("COUNT_READ") },
{ C_STRING_WITH_LEN("bigint(20)") },
{ NULL, 0}
},
{
{ C_STRING_WITH_LEN("SUM_TIMER_READ") },
{ C_STRING_WITH_LEN("bigint(20)") },
{ NULL, 0}
},
{
{ C_STRING_WITH_LEN("MIN_TIMER_READ") },
{ C_STRING_WITH_LEN("bigint(20)") },
{ NULL, 0}
},
{
{ C_STRING_WITH_LEN("AVG_TIMER_READ") },
{ C_STRING_WITH_LEN("bigint(20)") },
{ NULL, 0}
},
{
{ C_STRING_WITH_LEN("MAX_TIMER_READ") },
{ C_STRING_WITH_LEN("bigint(20)") },
{ NULL, 0}
},
{
{ C_STRING_WITH_LEN("SUM_NUMBER_OF_BYTES_READ") },
{ C_STRING_WITH_LEN("bigint(20)") },
{ NULL, 0}
},
/** Write */
{
{ C_STRING_WITH_LEN("COUNT_WRITE") },
{ C_STRING_WITH_LEN("bigint(20)") },
{ NULL, 0}
},
{
{ C_STRING_WITH_LEN("SUM_TIMER_WRITE") },
{ C_STRING_WITH_LEN("bigint(20)") },
{ NULL, 0}
},
{
{ C_STRING_WITH_LEN("MIN_TIMER_WRITE") },
{ C_STRING_WITH_LEN("bigint(20)") },
{ NULL, 0}
},
{
{ C_STRING_WITH_LEN("AVG_TIMER_WRITE") },
{ C_STRING_WITH_LEN("bigint(20)") },
{ NULL, 0}
},
{
{ C_STRING_WITH_LEN("MAX_TIMER_WRITE") },
{ C_STRING_WITH_LEN("bigint(20)") },
{ NULL, 0}
},
{
{ C_STRING_WITH_LEN("SUM_NUMBER_OF_BYTES_WRITE") },
{ C_STRING_WITH_LEN("bigint(20)") },
{ NULL, 0}
},
/** Misc */
{
{ C_STRING_WITH_LEN("COUNT_MISC") },
{ C_STRING_WITH_LEN("bigint(20)") },
{ NULL, 0}
},
{
{ C_STRING_WITH_LEN("SUM_TIMER_MISC") },
{ C_STRING_WITH_LEN("bigint(20)") },
{ NULL, 0}
},
{
{ C_STRING_WITH_LEN("MIN_TIMER_MISC") },
{ C_STRING_WITH_LEN("bigint(20)") },
{ NULL, 0}
},
{
{ C_STRING_WITH_LEN("AVG_TIMER_MISC") },
{ C_STRING_WITH_LEN("bigint(20)") },
{ NULL, 0}
},
{
{ C_STRING_WITH_LEN("MAX_TIMER_MISC") },
{ C_STRING_WITH_LEN("bigint(20)") },
{ NULL, 0}
}
};
TABLE_FIELD_DEF
table_file_summary_by_event_name::m_field_def=
{ 23, field_types, 0, (uint*) 0 };
PFS_engine_table_share
table_file_summary_by_event_name::m_share=
{
{ C_STRING_WITH_LEN("file_summary_by_event_name") },
&pfs_truncatable_acl,
&table_file_summary_by_event_name::create,
NULL, /* write_row */
table_file_summary_by_event_name::delete_all_rows,
NULL, /* get_row_count */
1000, /* records */
sizeof(PFS_simple_index),
&m_table_lock,
&m_field_def,
false /* checked */
};
PFS_engine_table* table_file_summary_by_event_name::create(void)
{
return new table_file_summary_by_event_name();
}
int table_file_summary_by_event_name::delete_all_rows(void)
{
reset_file_instance_io();
reset_file_class_io();
return 0;
}
table_file_summary_by_event_name::table_file_summary_by_event_name()
: PFS_engine_table(&m_share, &m_pos),
m_pos(1), m_next_pos(1)
{}
void table_file_summary_by_event_name::reset_position(void)
{
m_pos.m_index= 1;
m_next_pos.m_index= 1;
}
int table_file_summary_by_event_name::rnd_next(void)
{
PFS_file_class *file_class;
m_pos.set_at(&m_next_pos);
file_class= find_file_class(m_pos.m_index);
if (file_class)
{
make_row(file_class);
m_next_pos.set_after(&m_pos);
return 0;
}
return HA_ERR_END_OF_FILE;
}
int table_file_summary_by_event_name::rnd_pos(const void *pos)
{
PFS_file_class *file_class;
set_position(pos);
file_class= find_file_class(m_pos.m_index);
if (file_class)
{
make_row(file_class);
return 0;
}
return HA_ERR_RECORD_DELETED;
}
/**
Build a row.
@param klass the file class the cursor is reading
*/
void table_file_summary_by_event_name::make_row(PFS_file_class *file_class)
{
m_row.m_event_name.make_row(file_class);
PFS_instance_file_io_stat_visitor visitor;
PFS_instance_iterator::visit_file_instances(file_class, &visitor);
time_normalizer *normalizer= time_normalizer::get(wait_timer);
/* Collect timer and byte count stats */
m_row.m_io_stat.set(normalizer, &visitor.m_file_io_stat);
m_row_exists= true;
}
int table_file_summary_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;
case 1: /* COUNT_STAR */
set_field_ulonglong(f, m_row.m_io_stat.m_all.m_waits.m_count);
break;
case 2: /* SUM_TIMER_WAIT */
set_field_ulonglong(f, m_row.m_io_stat.m_all.m_waits.m_sum);
break;
case 3: /* MIN_TIMER_WAIT */
set_field_ulonglong(f, m_row.m_io_stat.m_all.m_waits.m_min);
break;
case 4: /* AVG_TIMER_WAIT */
set_field_ulonglong(f, m_row.m_io_stat.m_all.m_waits.m_avg);
break;
case 5: /* MAX_TIMER_WAIT */
set_field_ulonglong(f, m_row.m_io_stat.m_all.m_waits.m_max);
break;
case 6: /* COUNT_READ */
set_field_ulonglong(f, m_row.m_io_stat.m_read.m_waits.m_count);
break;
case 7: /* SUM_TIMER_READ */
set_field_ulonglong(f, m_row.m_io_stat.m_read.m_waits.m_sum);
break;
case 8: /* MIN_TIMER_READ */
set_field_ulonglong(f, m_row.m_io_stat.m_read.m_waits.m_min);
break;
case 9: /* AVG_TIMER_READ */
set_field_ulonglong(f, m_row.m_io_stat.m_read.m_waits.m_avg);
break;
case 10: /* MAX_TIMER_READ */
set_field_ulonglong(f, m_row.m_io_stat.m_read.m_waits.m_max);
break;
case 11: /* SUM_NUMBER_OF_BYTES_READ */
set_field_ulonglong(f, m_row.m_io_stat.m_read.m_bytes);
break;
case 12: /* COUNT_WRITE */
set_field_ulonglong(f, m_row.m_io_stat.m_write.m_waits.m_count);
break;
case 13: /* SUM_TIMER_WRITE */
set_field_ulonglong(f, m_row.m_io_stat.m_write.m_waits.m_sum);
break;
case 14: /* MIN_TIMER_WRITE */
set_field_ulonglong(f, m_row.m_io_stat.m_write.m_waits.m_min);
break;
case 15: /* AVG_TIMER_WRITE */
set_field_ulonglong(f, m_row.m_io_stat.m_write.m_waits.m_avg);
break;
case 16: /* MAX_TIMER_WRITE */
set_field_ulonglong(f, m_row.m_io_stat.m_write.m_waits.m_max);
break;
case 17: /* SUM_NUMBER_OF_BYTES_WRITE */
set_field_ulonglong(f, m_row.m_io_stat.m_write.m_bytes);
break;
case 18: /* COUNT_MISC */
set_field_ulonglong(f, m_row.m_io_stat.m_misc.m_waits.m_count);
break;
case 19: /* SUM_TIMER_MISC */
set_field_ulonglong(f, m_row.m_io_stat.m_misc.m_waits.m_sum);
break;
case 20: /* MIN_TIMER_MISC */
set_field_ulonglong(f, m_row.m_io_stat.m_misc.m_waits.m_min);
break;
case 21: /* AVG_TIMER_MISC */
set_field_ulonglong(f, m_row.m_io_stat.m_misc.m_waits.m_avg);
break;
case 22: /* MAX_TIMER_MISC */
set_field_ulonglong(f, m_row.m_io_stat.m_misc.m_waits.m_max);
break;
default:
DBUG_ASSERT(false);
break;
}
} // if
} // for
return 0;
}