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<?php declare(strict_types = 1);
/**
* Timing and profiling collector.
*
* @package query-monitor
*/
if ( ! defined( 'ABSPATH' ) ) {
exit;
}
/**
* @extends QM_DataCollector<QM_Data_Timing>
*/
class QM_Collector_Timing extends QM_DataCollector {
/**
* @var string
*/
public $id = 'timing';
/**
* @var array<string, QM_Timer>
*/
private $track_timer = array();
/**
* @var array<string, QM_Timer>
*/
private $start = array();
/**
* @var array<string, QM_Timer>
*/
private $stop = array();
public function get_storage(): QM_Data {
return new QM_Data_Timing();
}
/**
* @return void
*/
public function set_up() {
parent::set_up();
add_action( 'qm/start', array( $this, 'action_function_time_start' ), 10, 1 );
add_action( 'qm/stop', array( $this, 'action_function_time_stop' ), 10, 1 );
add_action( 'qm/lap', array( $this, 'action_function_time_lap' ), 10, 2 );
}
/**
* @return void
*/
public function tear_down() {
remove_action( 'qm/start', array( $this, 'action_function_time_start' ), 10 );
remove_action( 'qm/stop', array( $this, 'action_function_time_stop' ), 10 );
remove_action( 'qm/lap', array( $this, 'action_function_time_lap' ), 10 );
parent::tear_down();
}
/**
* @param string $function
* @return void
*/
public function action_function_time_start( $function ) {
$this->track_timer[ $function ] = new QM_Timer();
$this->start[ $function ] = $this->track_timer[ $function ]->start();
}
/**
* @param string $function
* @return void
*/
public function action_function_time_stop( $function ) {
if ( ! isset( $this->track_timer[ $function ] ) ) {
$trace = new QM_Backtrace();
$this->data->warning[] = array(
'function' => $function,
'message' => __( 'Timer not started', 'query-monitor' ),
'filtered_trace' => $trace->get_filtered_trace(),
'component' => $trace->get_component(),
);
return;
}
$this->stop[ $function ] = $this->track_timer[ $function ]->stop();
$this->calculate_time( $function );
}
/**
* @param string $function
* @param string $name
* @return void
*/
public function action_function_time_lap( $function, $name = null ) {
if ( ! isset( $this->track_timer[ $function ] ) ) {
$trace = new QM_Backtrace();
$this->data->warning[] = array(
'function' => $function,
'message' => __( 'Timer not started', 'query-monitor' ),
'filtered_trace' => $trace->get_filtered_trace(),
'component' => $trace->get_component(),
);
return;
}
$this->track_timer[ $function ]->lap( array(), $name );
}
/**
* @param string $function
* @return void
*/
public function calculate_time( $function ) {
$trace = $this->track_timer[ $function ]->get_trace();
$function_time = $this->track_timer[ $function ]->get_time();
$function_memory = $this->track_timer[ $function ]->get_memory();
$function_laps = $this->track_timer[ $function ]->get_laps();
$start_time = $this->track_timer[ $function ]->get_start_time();
$end_time = $this->track_timer[ $function ]->get_end_time();
$this->data->timing[] = array(
'function' => $function,
'function_time' => $function_time,
'function_memory' => $function_memory,
'laps' => $function_laps,
'filtered_trace' => $trace->get_filtered_trace(),
'component' => $trace->get_component(),
'start_time' => ( $start_time - $_SERVER['REQUEST_TIME_FLOAT'] ),
'end_time' => ( $end_time - $_SERVER['REQUEST_TIME_FLOAT'] ),
);
}
/**
* @return void
*/
public function process() {
foreach ( $this->start as $function => $value ) {
if ( ! isset( $this->stop[ $function ] ) ) {
$trace = $this->track_timer[ $function ]->get_trace();
$this->data->warning[] = array(
'function' => $function,
'message' => __( 'Timer not stopped', 'query-monitor' ),
'filtered_trace' => $trace->get_filtered_trace(),
'component' => $trace->get_component(),
);
}
}
if ( ! empty( $this->data->timing ) ) {
usort( $this->data->timing, array( $this, 'sort_by_start_time' ) );
}
}
/**
* @param mixed[] $a
* @param mixed[] $b
* @return int
* @phpstan-return -1|0|1
*/
public function sort_by_start_time( array $a, array $b ) {
return $a['start_time'] <=> $b['start_time'];
}
}
# Load early in case a plugin is setting the function to be checked when it initialises instead of after the `plugins_loaded` hook
QM_Collectors::add( new QM_Collector_Timing() );
|