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<?php
* @file
* Install and update for Performance Logging
*
* Copyright Khalid Baheyeldin 2008 of http://2bits.com
*/
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// Minimum APC shm memory size to require
define('PERFORMANCE_MIN_MEMORY', 48);
function performance_schema() {
$schema = array();
$schema['performance_summary'] = array(
'fields' => array(
'path' => array('type' => 'varchar', 'length' => '255', 'not null' => TRUE, 'default' => ''),
'last_access' => array('type' => 'int', 'not null' => TRUE, 'default' => 0, 'disp-width' => '11'),
'bytes_max' => array('type' => 'int', 'not null' => TRUE, 'default' => 0, 'disp-width' => '11'),
'bytes_avg' => array('type' => 'int', 'not null' => TRUE, 'default' => 0, 'disp-width' => '11'),
'ms_max' => array('type' => 'int', 'not null' => TRUE, 'default' => 0, 'disp-width' => '11'),
'ms_avg' => array('type' => 'int', 'not null' => TRUE, 'default' => 0, 'disp-width' => '11'),
'query_count_max' => array('type' => 'int', 'not null' => TRUE, 'default' => 0, 'disp-width' => '11'),
'query_count_avg' => array('type' => 'int', 'not null' => TRUE, 'default' => 0, 'disp-width' => '11'),
'query_timer_max' => array('type' => 'int', 'not null' => TRUE, 'default' => 0, 'disp-width' => '11'),
'query_timer_avg' => array('type' => 'int', 'not null' => TRUE, 'default' => 0, 'disp-width' => '11'),
'num_accesses' => array('type' => 'int', 'not null' => TRUE, 'default' => 0, 'disp-width' => '11'),
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),
'primary key' => array('path'),
'indexes' => array(
'last_access' => array('last_access')),
);
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$schema['performance_detail'] = array(
'fields' => array(
'pid' => array('type' => 'serial', 'not null' => TRUE, 'disp-width' => '11'),
'timestamp' => array('type' => 'int', 'not null' => TRUE, 'default' => 0, 'disp-width' => '11'),
'bytes' => array('type' => 'int', 'not null' => TRUE, 'default' => 0, 'disp-width' => '11'),
'ms' => array('type' => 'int', 'not null' => TRUE, 'default' => 0, 'disp-width' => '11'),
'query_count' => array('type' => 'int', 'not null' => TRUE, 'default' => 0, 'disp-width' => '11'),
'query_timer' => array('type' => 'int', 'not null' => TRUE, 'default' => 0, 'disp-width' => '11'),
'anon' => array('type' => 'int', 'not null' => FALSE, 'default' => 1, 'disp-width' => '1'),
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'path' => array('type' => 'varchar', 'length' => '255', 'not null' => FALSE),
'data' => array('type' => 'blob', 'not null' => FALSE, 'size' => 'big'),
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),
'primary key' => array('pid'),
'indexes' => array(
'timestamp' => array('timestamp')),
);
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function performance_install() {
drupal_install_schema('performance');
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// Set the weight so this module runs last
db_query("UPDATE {system} SET weight = 3000 WHERE name = 'performance'");
}
function performance_uninstall() {
drupal_uninstall_schema('performance');
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db_query("DELETE FROM {variable} WHERE name LIKE 'performance%'");
}
function performance_requirements($phase) {
$requirements = array();
if ($phase != 'runtime') {
return $requirements;
}
if (variable_get('performance_detail', 0)) {
$requirements['performance_detail'] = array(
'title' => t('Performance logging details'),
'value' => 'Enabled',
'severity' => REQUIREMENT_WARNING,
'description' => t('Performance detailed logging is <a href="@link">enabled</a>. This can cause severe issues on live sites.', array('@link' => url('admin/settings/performance_logging'))),
);
}
if (variable_get('dev_query', 0)) {
if (variable_get('performance_detail', 0) ||
variable_get('performance_summary_db', 0) ||
variable_get('performance_summary_apc', 0)) {
$requirements['performance_query'] = array(
'title' => t('Performance logging query'),
'value' => 'Enabled',
'severity' => REQUIREMENT_WARNING,
'description' => t('Query timing and count logging is <a href="@link">enabled</a>. This can cause memory size per page to be larger than normal.', array('@link' => url('admin/settings/performance_logging'))),
);
}
}
if (!function_exists('apc_fetch')) {
$requirements['performance_apc'] = array(
'title' => t('Performance logging APC'),
'value' => 'Disabled',
'severity' => REQUIREMENT_WARNING,
'description' => t('Performance logging on live web sites works best if APC is enabled.'),
);
}
$shm_size = ini_get('apc.shm_size');
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if (function_exists('apc_fetch') && $shm_size < PERFORMANCE_MIN_MEMORY) {
$requirements['performance_apc_mem'] = array(
'title' => t('Performance logging APC memory size'),
'value' => $shm_size,
'severity' => REQUIREMENT_WARNING,
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'description' => t('APC has been configured for !size, which is less than the recommended !min_memory MB of memory. If you encounter errors when viewing the summary report, then try to increase that limit for APC.', array('!size' => 1*$shm_size, '!min_memory' => PERFORMANCE_MIN_MEMORY)),
}
return $requirements;
}
function performance_update_1() {
$ret = array();
db_drop_field($ret, 'performance_detail', 'title');
db_drop_field($ret, 'performance_summary', 'title');
return $ret;
}
function performance_update_2() {
$ret = array();
db_add_field($ret, 'performance_detail', 'data', array('type' => 'blob', 'not null' => FALSE, 'size' => 'big'));
return $ret;
}
/**
* Harmonize notations for milliseconds to "ms".
*
* @return array
*/
function performance_update_6001() {
$int_field = array('type' => 'int', 'not null' => TRUE, 'default' => 0, 'disp-width' => '11');
$ret = array();
db_change_field($ret, 'performance_summary', 'millisecs_max', 'ms_max', $int_field);
db_change_field($ret, 'performance_summary', 'millisecs_avg', 'ms_avg', $int_field);
db_change_field($ret, 'performance_detail', 'millisecs', 'ms', $int_field);
// We don't have a cache update method, so it's better to clear it
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if (function_exists('apc_fetch')) {
apc_clear_cache('user');
}
return $ret;
}