184 lines
2.8 KiB
PHP
184 lines
2.8 KiB
PHP
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<?php declare(strict_types = 1);
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/**
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* Timer that collects timing and memory usage.
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*
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* @package query-monitor
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*/
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class QM_Timer {
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/**
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* @var array<string, mixed>
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* @phpstan-var array{
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* time: float,
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* memory: int,
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* data: mixed[]|null,
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* }
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*/
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protected $start;
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/**
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* @var array<string, mixed>|null
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* @phpstan-var array{
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* time: float,
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* memory: int,
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* data: mixed[]|null,
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* }|null
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*/
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protected $end = null;
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/**
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* @var QM_Backtrace
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*/
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protected $trace;
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/**
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* @var array<string, array<string, mixed>>
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* @phpstan-var array<string, array{
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* time: float,
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* memory: int,
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* data: mixed[]|null,
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* }>
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*/
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protected $laps = array();
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/**
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* @param mixed[] $data
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* @return self
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*/
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public function start( array $data = null ) {
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$this->trace = new QM_Backtrace();
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$this->start = array(
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'time' => microtime( true ),
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'memory' => memory_get_usage(),
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'data' => $data,
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);
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return $this;
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}
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/**
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* @param mixed[] $data
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* @return self
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*/
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public function stop( array $data = null ) {
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$this->end = array(
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'time' => microtime( true ),
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'memory' => memory_get_usage(),
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'data' => $data,
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);
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return $this;
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}
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/**
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* @param mixed[] $data
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* @param string $name
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* @return self
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*/
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public function lap( array $data = null, $name = null ) {
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$lap = array(
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'time' => microtime( true ),
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'memory' => memory_get_usage(),
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'data' => $data,
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);
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if ( ! isset( $name ) ) {
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$i = sprintf(
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/* translators: %s: Timing lap number */
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__( 'Lap %s', 'query-monitor' ),
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number_format_i18n( count( $this->laps ) + 1 )
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);
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} else {
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$i = $name;
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}
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$this->laps[ $i ] = $lap;
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return $this;
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}
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/**
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* @return mixed[]
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*/
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public function get_laps() {
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$laps = array();
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$prev = $this->start;
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foreach ( $this->laps as $lap_id => $lap ) {
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$lap['time_used'] = $lap['time'] - $prev['time'];
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$lap['memory_used'] = $lap['memory'] - $prev['memory'];
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$laps[ $lap_id ] = $lap;
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$prev = $lap;
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}
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return $laps;
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}
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/**
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* @return float
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*/
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public function get_time() {
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return $this->end['time'] - $this->start['time'];
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}
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/**
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* @return int
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*/
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public function get_memory() {
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return $this->end['memory'] - $this->start['memory'];
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}
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/**
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* @return float
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*/
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public function get_start_time() {
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return $this->start['time'];
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}
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/**
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* @return int
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*/
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public function get_start_memory() {
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return $this->start['memory'];
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}
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/**
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* @return float
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*/
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public function get_end_time() {
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return $this->end['time'];
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}
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/**
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* @return int
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*/
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public function get_end_memory() {
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return $this->end['memory'];
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}
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/**
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* @return QM_Backtrace
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*/
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public function get_trace() {
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return $this->trace;
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}
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/**
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* @param mixed[] $data
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* @return self
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*/
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public function end( array $data = null ) {
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return $this->stop( $data );
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}
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}
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