diff options
Diffstat (limited to 'plugins/jetpack/_inc/lib/class.jetpack-search-performance-logger.php')
-rw-r--r-- | plugins/jetpack/_inc/lib/class.jetpack-search-performance-logger.php | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/plugins/jetpack/_inc/lib/class.jetpack-search-performance-logger.php b/plugins/jetpack/_inc/lib/class.jetpack-search-performance-logger.php new file mode 100644 index 00000000..f8de70ee --- /dev/null +++ b/plugins/jetpack/_inc/lib/class.jetpack-search-performance-logger.php @@ -0,0 +1,83 @@ +<?php + +class Jetpack_Search_Performance_Logger { + /** + * @var Jetpack_Search_Performance_Logger + **/ + private static $instance = null; + + private $current_query = null; + private $query_started = null; + private $stats = null; + + static function init() { + if ( is_null( self::$instance ) ) { + self::$instance = new Jetpack_Search_Performance_Logger; + } + + return self::$instance; + } + + private function __construct() { + $this->stats = array(); + add_action( 'pre_get_posts', array( $this, 'begin_log_query' ), 10, 1 ); + add_action( 'did_jetpack_search_query', array( $this, 'log_jetpack_search_query' ) ); + add_filter( 'found_posts', array( $this, 'log_mysql_query' ), 10, 2 ); + add_action( 'wp_footer', array( $this, 'print_stats' ) ); + } + + public function begin_log_query( $query ) { + if ( $this->should_log_query( $query ) ) { + $this->query_started = microtime( true ); + $this->current_query = $query; + } + } + + public function log_mysql_query( $found_posts, $query ) { + if ( $this->current_query === $query ) { + $duration = microtime( true ) - $this->query_started; + if ( $duration < 60 ) { // eliminate outliers, likely tracking errors + $this->record_query_time( $duration, false ); + } + $this->reset_query_state(); + } + + return $found_posts; + } + + public function log_jetpack_search_query() { + $duration = microtime( true ) - $this->query_started; + if ( $duration < 60 ) { // eliminate outliers, likely tracking errors + $this->record_query_time( $duration, true ); + } + $this->reset_query_state(); + } + + private function reset_query_state() { + $this->query_started = null; + $this->current_query = null; + } + + private function should_log_query( $query ) { + return $query->is_main_query() && $query->is_search(); + } + + private function record_query_time( $duration, $was_jetpack_search ) { + $this->stats[] = array( $was_jetpack_search, intval( $duration * 1000 ) ); + } + + public function print_stats() { + $beacons = array(); + if ( ! empty( $this->stats ) ) { + foreach( $this->stats as $stat ) { + $search_type = $stat[0] ? 'es' : 'mysql'; + $beacons[] = "%22jetpack.search.{$search_type}.duration:{$stat[1]}|ms%22"; + } + + $encoded_json = '{%22beacons%22:[' . implode(',', $beacons ) . ']}'; + $encoded_site_url = urlencode( site_url() ); + $url = "https://pixel.wp.com/boom.gif?v=0.9&u={$encoded_site_url}&json={$encoded_json}"; + echo '<img src="' . $url . '" width="1" height="1" style="display:none;" alt=":)"/>'; + } + } +} |