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

369 lines
9.5 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_socket_summary_by_instance.cc
Table SOCKET_SUMMARY_BY_INSTANCE (implementation).
*/
#include "my_global.h"
#include "my_pthread.h"
#include "pfs_instr.h"
#include "pfs_column_types.h"
#include "pfs_column_values.h"
#include "table_socket_summary_by_instance.h"
#include "pfs_global.h"
THR_LOCK table_socket_summary_by_instance::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("OBJECT_INSTANCE_BEGIN") },
{ C_STRING_WITH_LEN("bigint(20)") },
{ 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_socket_summary_by_instance::m_field_def=
{ 24, field_types, 0, (uint*) 0 };
PFS_engine_table_share
table_socket_summary_by_instance::m_share=
{
{ C_STRING_WITH_LEN("socket_summary_by_instance") },
&pfs_readonly_acl,
&table_socket_summary_by_instance::create,
NULL, /* write_row */
table_socket_summary_by_instance::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_socket_summary_by_instance::create(void)
{
return new table_socket_summary_by_instance();
}
table_socket_summary_by_instance::table_socket_summary_by_instance()
: PFS_engine_table(&m_share, &m_pos),
m_row_exists(false), m_pos(0), m_next_pos(0)
{}
int table_socket_summary_by_instance::delete_all_rows(void)
{
reset_socket_instance_io();
return 0;
}
void table_socket_summary_by_instance::reset_position(void)
{
m_pos.m_index= 0;
m_next_pos.m_index= 0;
}
int table_socket_summary_by_instance::rnd_next(void)
{
PFS_socket *pfs;
for (m_pos.set_at(&m_next_pos);
m_pos.m_index < socket_max;
m_pos.next())
{
pfs= &socket_array[m_pos.m_index];
if (pfs->m_lock.is_populated())
{
make_row(pfs);
m_next_pos.set_after(&m_pos);
return 0;
}
}
return HA_ERR_END_OF_FILE;
}
int table_socket_summary_by_instance::rnd_pos(const void *pos)
{
PFS_socket *pfs;
set_position(pos);
DBUG_ASSERT(m_pos.m_index < socket_max);
pfs= &socket_array[m_pos.m_index];
if (! pfs->m_lock.is_populated())
return HA_ERR_RECORD_DELETED;
make_row(pfs);
return 0;
}
void table_socket_summary_by_instance::make_row(PFS_socket *pfs)
{
pfs_lock lock;
PFS_socket_class *safe_class;
m_row_exists= false;
/* Protect this reader against a socket delete */
pfs->m_lock.begin_optimistic_lock(&lock);
safe_class= sanitize_socket_class(pfs->m_class);
if (unlikely(safe_class == NULL))
return;
m_row.m_event_name.make_row(safe_class);
m_row.m_identity= pfs->m_identity;
time_normalizer *normalizer= time_normalizer::get(wait_timer);
/* Collect timer and byte count stats */
m_row.m_io_stat.set(normalizer, &pfs->m_socket_stat.m_io_stat);
if (!pfs->m_lock.end_optimistic_lock(&lock))
return;
m_row_exists= true;
}
int table_socket_summary_by_instance::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: /* OBJECT_INSTANCE */
set_field_ulonglong(f, (intptr)m_row.m_identity);
break;
case 2:/* COUNT_STAR */
set_field_ulonglong(f, m_row.m_io_stat.m_all.m_waits.m_count);
break;
case 3:/* SUM_TIMER_WAIT */
set_field_ulonglong(f, m_row.m_io_stat.m_all.m_waits.m_sum);
break;
case 4: /* MIN_TIMER_WAIT */
set_field_ulonglong(f, m_row.m_io_stat.m_all.m_waits.m_min);
break;
case 5: /* AVG_TIMER_WAIT */
set_field_ulonglong(f, m_row.m_io_stat.m_all.m_waits.m_avg);
break;
case 6: /* MAX_TIMER_WAIT */
set_field_ulonglong(f, m_row.m_io_stat.m_all.m_waits.m_max);
break;
case 7: /* COUNT_READ */
set_field_ulonglong(f, m_row.m_io_stat.m_read.m_waits.m_count);
break;
case 8: /* SUM_TIMER_READ */
set_field_ulonglong(f, m_row.m_io_stat.m_read.m_waits.m_sum);
break;
case 9: /* MIN_TIMER_READ */
set_field_ulonglong(f, m_row.m_io_stat.m_read.m_waits.m_min);
break;
case 10: /* AVG_TIMER_READ */
set_field_ulonglong(f, m_row.m_io_stat.m_read.m_waits.m_avg);
break;
case 11: /* MAX_TIMER_READ */
set_field_ulonglong(f, m_row.m_io_stat.m_read.m_waits.m_max);
break;
case 12: /* SUM_NUMBER_OF_BYTES_READ */
set_field_ulonglong(f, m_row.m_io_stat.m_read.m_bytes);
break;
case 13: /* COUNT_WRITE */
set_field_ulonglong(f, m_row.m_io_stat.m_write.m_waits.m_count);
break;
case 14: /* SUM_TIMER_WRITE */
set_field_ulonglong(f, m_row.m_io_stat.m_write.m_waits.m_sum);
break;
case 15: /* MIN_TIMER_WRITE */
set_field_ulonglong(f, m_row.m_io_stat.m_write.m_waits.m_min);
break;
case 16: /* AVG_TIMER_WRITE */
set_field_ulonglong(f, m_row.m_io_stat.m_write.m_waits.m_avg);
break;
case 17: /* MAX_TIMER_WRITE */
set_field_ulonglong(f, m_row.m_io_stat.m_write.m_waits.m_max);
break;
case 18: /* SUM_NUMBER_OF_BYTES_WRITE */
set_field_ulonglong(f, m_row.m_io_stat.m_write.m_bytes);
break;
case 19: /* COUNT_MISC */
set_field_ulonglong(f, m_row.m_io_stat.m_misc.m_waits.m_count);
break;
case 20: /* SUM_TIMER_MISC */
set_field_ulonglong(f, m_row.m_io_stat.m_misc.m_waits.m_sum);
break;
case 21: /* MIN_TIMER_MISC */
set_field_ulonglong(f, m_row.m_io_stat.m_misc.m_waits.m_min);
break;
case 22: /* AVG_TIMER_MISC */
set_field_ulonglong(f, m_row.m_io_stat.m_misc.m_waits.m_avg);
break;
case 23: /* MAX_TIMER_MISC */
set_field_ulonglong(f, m_row.m_io_stat.m_misc.m_waits.m_max);
break;
default:
DBUG_ASSERT(false);
break;
}
}
}
return 0;
}