';
$retval .= '
' . __('Selected time range:');
$retval .= ' - ';
$retval .= '';
$retval .= '
';
$retval .= '
';
$retval .= '
';
$retval .= '
';
$retval .= '
';
$retval .= '
';
$retval .= '
';
$retval .= __('Choose from which log you want the statistics to be generated from.');
$retval .= '
';
$retval .= '
';
$retval .= __('Results are grouped by query text.');
$retval .= '
';
$retval .= '
';
$retval .= __(
'The phpMyAdmin Monitor can assist you in optimizing the server'
. ' configuration and track down time intensive queries. For the latter you'
. ' will need to set log_output to \'TABLE\' and have either the'
. ' slow_query_log or general_log enabled. Note however, that the'
. ' general_log produces a lot of data and increases server load'
. ' by up to 15%.'
);
if (PMA_MYSQL_INT_VERSION < 50106) {
$retval .= '
';
$retval .= PMA_Util::getImage('s_attention.png');
$retval .= __(
'Unfortunately your Database server does not support logging to table,'
. ' which is a requirement for analyzing the database logs with'
. ' phpMyAdmin. Logging to table is supported by MySQL 5.1.6 and'
. ' onwards. You may still use the server charting features however.'
);
$retval .= '
';
} else {
$retval .= '
';
$retval .= '
';
$retval .= '
';
$retval .= '
';
$retval .= '
';
$retval .= '
';
$retval .= __('Using the monitor:');
$retval .= '';
$retval .= __(
'Your browser will refresh all displayed charts in a regular interval.'
. ' You may add charts and change the refresh rate under \'Settings\','
. ' or remove any chart using the cog icon on each respective chart.'
);
$retval .= '
';
$retval .= __(
'To display queries from the logs, select the relevant time span on any'
. ' chart by holding down the left mouse button and panning over the'
. ' chart. Once confirmed, this will load a table of grouped queries,'
. ' there you may click on any occurring SELECT statements to further'
. ' analyze them.'
);
$retval .= '
';
$retval .= '
';
$retval .= PMA_Util::getImage('s_attention.png');
$retval .= '';
$retval .= __('Please note:');
$retval .= '
';
$retval .= __(
'Enabling the general_log may increase the server load by'
. ' 5-15%. Also be aware that generating statistics from the logs is a'
. ' load intensive task, so it is advisable to select only a small time'
. ' span and to disable the general_log and empty its table once'
. ' monitoring is not required any more.'
);
$retval .= '
';
$retval .= '
';
}
$retval .= '
';
$links .= PMA_Util::showMySQLDocu('general-thread-states', 'general-thread-states');
$links .= '
';
$links .= '';
$links .= PMA_Util::showMySQLDocu('explain-output', 'explain-output');
$links .= '
';
return $form . $links;
}
/***************************Ajax request function***********************************/
/**
* Returns JSon for real-time charting data
*
* @return Array
*/
function PMA_getJsonForChartingData()
{
$ret = json_decode($_REQUEST['requiredData'], true);
$statusVars = array();
$serverVars = array();
$sysinfo = $cpuload = $memory = 0;
$pName = '';
/* Accumulate all required variables and data */
// For each chart
foreach ($ret as $chart_id => $chartNodes) {
// For each data series
foreach ($chartNodes as $node_id => $nodeDataPoints) {
// For each data point in the series (usually just 1)
foreach ($nodeDataPoints as $point_id => $dataPoint) {
$pName = $dataPoint['name'];
switch ($dataPoint['type']) {
/* We only collect the status and server variables here to
* read them all in one query,
* and only afterwards assign them.
* Also do some white list filtering on the names
*/
case 'servervar':
if (! preg_match('/[^a-zA-Z_]+/', $pName)) {
$serverVars[] = $pName;
}
break;
case 'statusvar':
if (! preg_match('/[^a-zA-Z_]+/', $pName)) {
$statusVars[] = $pName;
}
break;
case 'proc':
$result = $GLOBALS['dbi']->query('SHOW PROCESSLIST');
$ret[$chart_id][$node_id][$point_id]['value']
= $GLOBALS['dbi']->numRows($result);
break;
case 'cpu':
if (!$sysinfo) {
include_once 'libraries/sysinfo.lib.php';
$sysinfo = PMA_getSysInfo();
}
if (!$cpuload) {
$cpuload = $sysinfo->loadavg();
}
if (PMA_getSysInfoOs() == 'Linux') {
$ret[$chart_id][$node_id][$point_id]['idle']
= $cpuload['idle'];
$ret[$chart_id][$node_id][$point_id]['busy']
= $cpuload['busy'];
} else {
$ret[$chart_id][$node_id][$point_id]['value']
= $cpuload['loadavg'];
}
break;
case 'memory':
if (!$sysinfo) {
include_once 'libraries/sysinfo.lib.php';
$sysinfo = PMA_getSysInfo();
}
if (!$memory) {
$memory = $sysinfo->memory();
}
$ret[$chart_id][$node_id][$point_id]['value']
= $memory[$pName];
break;
} /* switch */
} /* foreach */
} /* foreach */
} /* foreach */
// Retrieve all required status variables
if (count($statusVars)) {
$statusVarValues = $GLOBALS['dbi']->fetchResult(
"SHOW GLOBAL STATUS WHERE Variable_name='"
. implode("' OR Variable_name='", $statusVars) . "'",
0,
1
);
} else {
$statusVarValues = array();
}
// Retrieve all required server variables
if (count($serverVars)) {
$serverVarValues = $GLOBALS['dbi']->fetchResult(
"SHOW GLOBAL VARIABLES WHERE Variable_name='"
. implode("' OR Variable_name='", $serverVars) . "'",
0,
1
);
} else {
$serverVarValues = array();
}
// ...and now assign them
foreach ($ret as $chart_id => $chartNodes) {
foreach ($chartNodes as $node_id => $nodeDataPoints) {
foreach ($nodeDataPoints as $point_id => $dataPoint) {
switch($dataPoint['type']) {
case 'statusvar':
$ret[$chart_id][$node_id][$point_id]['value']
= $statusVarValues[$dataPoint['name']];
break;
case 'servervar':
$ret[$chart_id][$node_id][$point_id]['value']
= $serverVarValues[$dataPoint['name']];
break;
}
}
}
}
$ret['x'] = microtime(true) * 1000;
return $ret;
}
/**
* Returns JSon for log data with type: slow
*
* @param int $start Unix Time: Start time for query
* @param int $end Unix Time: End time for query
*
* @return Array
*/
function PMA_getJsonForLogDataTypeSlow($start, $end)
{
$q = 'SELECT start_time, user_host, ';
$q .= 'Sec_to_Time(Sum(Time_to_Sec(query_time))) as query_time, ';
$q .= 'Sec_to_Time(Sum(Time_to_Sec(lock_time))) as lock_time, ';
$q .= 'SUM(rows_sent) AS rows_sent, ';
$q .= 'SUM(rows_examined) AS rows_examined, db, sql_text, ';
$q .= 'COUNT(sql_text) AS \'#\' ';
$q .= 'FROM `mysql`.`slow_log` ';
$q .= 'WHERE start_time > FROM_UNIXTIME(' . $start . ') ';
$q .= 'AND start_time < FROM_UNIXTIME(' . $end . ') GROUP BY sql_text';
$result = $GLOBALS['dbi']->tryQuery($q);
$return = array('rows' => array(), 'sum' => array());
$type = '';
while ($row = $GLOBALS['dbi']->fetchAssoc($result)) {
$type = strtolower(
substr($row['sql_text'], 0, strpos($row['sql_text'], ' '))
);
switch($type) {
case 'insert':
case 'update':
//Cut off big inserts and updates, but append byte count instead
if (strlen($row['sql_text']) > 220) {
$implode_sql_text = implode(
' ',
PMA_Util::formatByteDown(
strlen($row['sql_text']), 2, 2
)
);
$row['sql_text'] = substr($row['sql_text'], 0, 200)
. '... [' . $implode_sql_text . ']';
}
break;
default:
break;
}
if (! isset($return['sum'][$type])) {
$return['sum'][$type] = 0;
}
$return['sum'][$type] += $row['#'];
$return['rows'][] = $row;
}
$return['sum']['TOTAL'] = array_sum($return['sum']);
$return['numRows'] = count($return['rows']);
$GLOBALS['dbi']->freeResult($result);
return $return;
}
/**
* Returns JSon for log data with type: general
*
* @param int $start Unix Time: Start time for query
* @param int $end Unix Time: End time for query
*
* @return Array
*/
function PMA_getJsonForLogDataTypeGeneral($start, $end)
{
$limitTypes = '';
if (isset($_REQUEST['limitTypes']) && $_REQUEST['limitTypes']) {
$limitTypes
= 'AND argument REGEXP \'^(INSERT|SELECT|UPDATE|DELETE)\' ';
}
$q = 'SELECT TIME(event_time) as event_time, user_host, thread_id, ';
$q .= 'server_id, argument, count(argument) as \'#\' ';
$q .= 'FROM `mysql`.`general_log` ';
$q .= 'WHERE command_type=\'Query\' ';
$q .= 'AND event_time > FROM_UNIXTIME(' . $start . ') ';
$q .= 'AND event_time < FROM_UNIXTIME(' . $end . ') ';
$q .= $limitTypes . 'GROUP by argument'; // HAVING count > 1';
$result = $GLOBALS['dbi']->tryQuery($q);
$return = array('rows' => array(), 'sum' => array());
$type = '';
$insertTables = array();
$insertTablesFirst = -1;
$i = 0;
$removeVars = isset($_REQUEST['removeVariables'])
&& $_REQUEST['removeVariables'];
while ($row = $GLOBALS['dbi']->fetchAssoc($result)) {
preg_match('/^(\w+)\s/', $row['argument'], $match);
$type = strtolower($match[1]);
if (! isset($return['sum'][$type])) {
$return['sum'][$type] = 0;
}
$return['sum'][$type] += $row['#'];
switch($type) {
case 'insert':
// Group inserts if selected
if ($removeVars
&& preg_match(
'/^INSERT INTO (`|\'|"|)([^\s\\1]+)\\1/i',
$row['argument'], $matches
)
) {
$insertTables[$matches[2]]++;
if ($insertTables[$matches[2]] > 1) {
$return['rows'][$insertTablesFirst]['#']
= $insertTables[$matches[2]];
// Add a ... to the end of this query to indicate that
// there's been other queries
$temp = $return['rows'][$insertTablesFirst]['argument'];
if ($temp[strlen($temp) - 1] != '.') {
$return['rows'][$insertTablesFirst]['argument']
.= '