mirror of
https://hk.gh-proxy.com/https://github.com/wp-cli/profile-command.git
synced 2025-08-18 06:11:20 +08:00
580 lines
19 KiB
PHP
580 lines
19 KiB
PHP
<?php
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namespace runcommand\Profile;
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use WP_CLI;
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class Profiler {
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private $type;
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private $focus;
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private $loggers = array();
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private $stage_hooks = array(
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'bootstrap' => array(
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'muplugins_loaded',
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'plugins_loaded',
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'setup_theme',
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'after_setup_theme',
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'init',
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'wp_loaded',
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),
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'main_query' => array(
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'parse_request',
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'send_headers',
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'pre_get_posts',
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'the_posts',
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'wp',
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),
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'template' => array(
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'template_redirect',
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'template_include',
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'wp_head',
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'loop_start',
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'loop_end',
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'wp_footer',
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),
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);
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private $current_stage_hooks = array();
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private $running_hook = null;
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private $previous_filter = null;
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private $previous_filter_callbacks = null;
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private $filter_depth = 0;
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private $tick_callback = null;
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private $tick_location = null;
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private $tick_start_time = null;
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private $tick_query_offset = null;
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private $tick_cache_hit_offset = null;
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private $tick_cache_miss_offset = null;
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public function __construct( $type, $focus ) {
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$this->type = $type;
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$this->focus = $focus;
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}
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public function get_loggers() {
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foreach ( $this->loggers as $i => $logger ) {
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if ( is_array( $logger ) ) {
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$this->loggers[ $i ] = $logger = new Logger( $logger );
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}
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if ( ! isset( $logger->callback ) ) {
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continue;
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}
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if ( ! isset( $logger->location ) ) {
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list( $name, $location ) = self::get_name_location_from_callback( $logger->callback );
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$logger->callback = $name;
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$logger->location = $location;
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}
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$logger->location = self::get_short_location( $logger->location );
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$this->loggers[ $i ] = $logger;
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}
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return $this->loggers;
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}
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/**
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* Run the profiler against WordPress
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*/
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public function run() {
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WP_CLI::add_wp_hook(
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'muplugins_loaded',
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function() {
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if ( $url = WP_CLI::get_runner()->config['url'] ) {
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WP_CLI::set_url( trailingslashit( $url ) );
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} else {
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WP_CLI::set_url( home_url( '/' ) );
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}
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}
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);
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WP_CLI::add_hook(
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'after_wp_config_load',
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function() {
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if ( defined( 'SAVEQUERIES' ) && ! SAVEQUERIES ) {
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WP_CLI::error( "'SAVEQUERIES' is defined as false, and must be true. Please check your wp-config.php" );
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}
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if ( ! defined( 'SAVEQUERIES' ) ) {
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define( 'SAVEQUERIES', true );
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}
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}
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);
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if ( 'hook' === $this->type
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&& ':before' === substr( $this->focus, -7, 7 ) ) {
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$stage_hooks = array();
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foreach ( $this->stage_hooks as $hooks ) {
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$stage_hooks = array_merge( $stage_hooks, $hooks );
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}
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$end_hook = substr( $this->focus, 0, -7 );
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$key = array_search( $end_hook, $stage_hooks );
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if ( isset( $stage_hooks[ $key - 1 ] ) ) {
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$start_hook = $stage_hooks[ $key - 1 ];
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WP_CLI::add_wp_hook( $start_hook, array( $this, 'wp_tick_profile_begin' ), 9999 );
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} else {
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WP_CLI::add_hook( 'after_wp_config_load', array( $this, 'wp_tick_profile_begin' ) );
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}
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WP_CLI::add_wp_hook( $end_hook, array( $this, 'wp_tick_profile_end' ), -9999 );
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} elseif ( 'hook' === $this->type
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&& ':after' === substr( $this->focus, -6, 6 ) ) {
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$start_hook = substr( $this->focus, 0, -6 );
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WP_CLI::add_wp_hook( $start_hook, array( $this, 'wp_tick_profile_begin' ), 9999 );
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} else {
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WP_CLI::add_wp_hook( 'all', array( $this, 'wp_hook_begin' ) );
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}
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WP_CLI::add_wp_hook( 'pre_http_request', array( $this, 'wp_request_begin' ) );
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WP_CLI::add_wp_hook( 'http_api_debug', array( $this, 'wp_request_end' ) );
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$this->load_wordpress_with_template();
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}
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/**
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* Start profiling function calls on the end of this filter
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*/
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public function wp_tick_profile_begin( $value = null ) {
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if ( version_compare( PHP_VERSION, '7.0.0' ) >= 0 ) {
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WP_CLI::error( 'Profiling intermediate hooks is broken in PHP 7, see https://bugs.php.net/bug.php?id=72966' );
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}
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// Disable opcode optimizers. These "optimize" calls out of the stack
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// and hide calls from the tick handler and backtraces.
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// Copied from P3 Profiler
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if ( extension_loaded( 'xcache' ) ) {
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@ini_set( 'xcache.optimizer', false ); // phpcs:ignore WordPress.PHP.NoSilencedErrors.Discouraged -- ini_set can be disabled on server.
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} elseif ( extension_loaded( 'apc' ) ) {
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@ini_set( 'apc.optimization', 0 ); // phpcs:ignore WordPress.PHP.NoSilencedErrors.Discouraged -- ini_set can be disabled on server.
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apc_clear_cache();
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} elseif ( extension_loaded( 'eaccelerator' ) ) {
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@ini_set( 'eaccelerator.optimizer', 0 ); // phpcs:ignore WordPress.PHP.NoSilencedErrors.Discouraged -- ini_set can be disabled on server.
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if ( function_exists( 'eaccelerator_optimizer' ) ) {
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@eaccelerator_optimizer( false ); // phpcs:ignore WordPress.PHP.NoSilencedErrors.Discouraged -- disabling eaccelerator on runtime can faild
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}
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} elseif ( extension_loaded( 'Zend Optimizer+' ) ) {
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@ini_set( 'zend_optimizerplus.optimization_level', 0 ); // phpcs:ignore WordPress.PHP.NoSilencedErrors.Discouraged -- ini_set can be disabled on server.
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}
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register_tick_function( array( $this, 'handle_function_tick' ) );
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declare( ticks = 1 );
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return $value;
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}
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/**
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* Stop profiling function calls at the beginning of this filter
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*/
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public function wp_tick_profile_end( $value = null ) {
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unregister_tick_function( array( $this, 'handle_function_tick' ) );
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$this->tick_callback = null;
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return $value;
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}
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/**
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* Profiling verbosity at the beginning of every action and filter
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*/
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public function wp_hook_begin() {
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foreach ( Logger::$active_loggers as $logger ) {
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$logger->start_hook_timer();
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}
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$current_filter = current_filter();
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if ( ( 'stage' === $this->type && in_array( $current_filter, $this->current_stage_hooks ) )
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|| ( 'hook' === $this->type && ! $this->focus ) ) {
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$pseudo_hook = "{$current_filter}:before";
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if ( isset( $this->loggers[ $pseudo_hook ] ) ) {
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$this->loggers[ $pseudo_hook ]->stop();
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}
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$callback_count = 0;
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$callbacks = self::get_filter_callbacks( $current_filter );
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if ( false !== $callbacks ) {
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foreach ( $callbacks as $priority => $cbs ) {
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$callback_count += count( $cbs );
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}
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}
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$this->loggers[ $current_filter ] = new Logger(
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array(
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'hook' => $current_filter,
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'callback_count' => $callback_count,
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)
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);
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$this->loggers[ $current_filter ]->start();
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}
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if ( 0 === $this->filter_depth
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&& ! is_null( $this->previous_filter_callbacks ) ) {
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self::set_filter_callbacks( $this->previous_filter, $this->previous_filter_callbacks );
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$this->previous_filter_callbacks = null;
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}
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if ( 'hook' === $this->type
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&& 0 === $this->filter_depth
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&& ( $current_filter === $this->focus || true === $this->focus ) ) {
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$this->wrap_current_filter_callbacks( $current_filter );
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}
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$this->filter_depth++;
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WP_CLI::add_wp_hook( $current_filter, array( $this, 'wp_hook_end' ), 9999 );
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}
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/**
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* Wrap current filter callbacks with a timer
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*/
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private function wrap_current_filter_callbacks( $current_filter ) {
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$callbacks = self::get_filter_callbacks( $current_filter );
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if ( false === $callbacks ) {
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return;
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}
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$this->previous_filter = $current_filter;
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$this->previous_filter_callbacks = $callbacks;
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foreach ( $callbacks as $priority => $priority_callbacks ) {
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foreach ( $priority_callbacks as $i => $the_ ) {
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$callbacks[ $priority ][ $i ] = array(
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'function' => function() use ( $the_, $i ) {
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if ( ! isset( $this->loggers[ $i ] ) ) {
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$this->loggers[ $i ] = new Logger(
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array(
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'callback' => $the_['function'],
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)
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);
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}
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$this->loggers[ $i ]->start();
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$value = call_user_func_array( $the_['function'], func_get_args() );
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$this->loggers[ $i ]->stop();
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return $value;
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},
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'accepted_args' => $the_['accepted_args'],
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);
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}
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}
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self::set_filter_callbacks( $current_filter, $callbacks );
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}
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/**
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* Profiling verbosity at the end of every action and filter
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*/
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public function wp_hook_end( $filter_value = null ) {
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foreach ( Logger::$active_loggers as $logger ) {
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$logger->stop_hook_timer();
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}
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$current_filter = current_filter();
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if ( ( 'stage' === $this->type && in_array( $current_filter, $this->current_stage_hooks ) )
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|| ( 'hook' === $this->type && ! $this->focus ) ) {
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$this->loggers[ $current_filter ]->stop();
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if ( 'stage' === $this->type ) {
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$key = array_search( $current_filter, $this->current_stage_hooks );
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if ( false !== $key && isset( $this->current_stage_hooks[ $key + 1 ] ) ) {
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$pseudo_hook = "{$this->current_stage_hooks[$key+1]}:before";
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} else {
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$pseudo_hook = "{$this->current_stage_hooks[$key]}:after";
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$this->running_hook = $pseudo_hook;
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}
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$this->loggers[ $pseudo_hook ] = new Logger( array( 'hook' => $pseudo_hook ) );
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$this->loggers[ $pseudo_hook ]->start();
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}
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}
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$this->filter_depth--;
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return $filter_value;
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}
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/**
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* Handle the tick of a function
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*/
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public function handle_function_tick() {
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global $wpdb, $wp_object_cache;
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if ( ! is_null( $this->tick_callback ) ) {
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$time = microtime( true ) - $this->tick_start_time;
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$callback_hash = md5( serialize( $this->tick_callback . $this->tick_location ) );
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if ( ! isset( $this->loggers[ $callback_hash ] ) ) {
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$this->loggers[ $callback_hash ] = array(
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'callback' => $this->tick_callback,
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'location' => $this->tick_location,
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'time' => 0,
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'query_time' => 0,
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'query_count' => 0,
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'cache_hits' => 0,
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'cache_misses' => 0,
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'cache_ratio' => null,
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);
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}
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$this->loggers[ $callback_hash ]['time'] += $time;
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if ( isset( $wpdb ) ) {
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for ( $i = $this->tick_query_offset; $i < count( $wpdb->queries ); $i++ ) {
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$this->loggers[ $callback_hash ]['query_time'] += $wpdb->queries[ $i ][1];
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$this->loggers[ $callback_hash ]['query_count']++;
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}
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}
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if ( isset( $wp_object_cache ) ) {
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$hits = ! empty( $wp_object_cache->cache_hits ) ? $wp_object_cache->cache_hits : 0;
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$misses = ! empty( $wp_object_cache->cache_misses ) ? $wp_object_cache->cache_misses : 0;
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$this->loggers[ $callback_hash ]['cache_hits'] = ( $hits - $this->tick_cache_hit_offset ) + $this->loggers[ $callback_hash ]['cache_hits'];
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$this->loggers[ $callback_hash ]['cache_misses'] = ( $misses - $this->tick_cache_miss_offset ) + $this->loggers[ $callback_hash ]['cache_misses'];
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$total = $this->loggers[ $callback_hash ]['cache_hits'] + $this->loggers[ $callback_hash ]['cache_misses'];
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if ( $total ) {
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$ratio = ( $this->loggers[ $callback_hash ]['cache_hits'] / $total ) * 100;
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$this->loggers[ $callback_hash ]['cache_ratio'] = round( $ratio, 2 ) . '%';
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}
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}
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}
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$bt = debug_backtrace( DEBUG_BACKTRACE_IGNORE_ARGS | DEBUG_BACKTRACE_PROVIDE_OBJECT, 2 );
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$frame = $bt[0];
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if ( isset( $bt[1] ) ) {
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$frame = $bt[1];
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}
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$callback = $location = '';
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if ( in_array( strtolower( $frame['function'] ), array( 'include', 'require', 'include_once', 'require_once' ) ) ) {
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$callback = $frame['function'] . " '" . $frame['args'][0] . "'";
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} elseif ( isset( $frame['object'] ) && method_exists( $frame['object'], $frame['function'] ) ) {
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$callback = get_class( $frame['object'] ) . '->' . $frame['function'] . '()';
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} elseif ( isset( $frame['class'] ) && method_exists( $frame['class'], $frame['function'] ) ) {
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$callback = $frame['class'] . '::' . $frame['function'] . '()';
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} elseif ( ! empty( $frame['function'] ) && function_exists( $frame['function'] ) ) {
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$callback = $frame['function'] . '()';
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} elseif ( '__lambda_func' == $frame['function'] || '{closure}' == $frame['function'] ) {
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$callback = 'function(){}';
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}
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if ( 'runcommand\Profile\Profiler->wp_tick_profile_begin()' === $callback ) {
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$this->tick_callback = null;
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return;
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}
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if ( isset( $frame['file'] ) ) {
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$location = $frame['file'];
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if ( isset( $frame['line'] ) ) {
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$location .= ':' . $frame['line'];
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}
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}
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$this->tick_callback = $callback;
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$this->tick_location = $location;
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$this->tick_start_time = microtime( true );
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$this->tick_query_offset = ! empty( $wpdb->queries ) ? count( $wpdb->queries ) : 0;
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$this->tick_cache_hit_offset = ! empty( $wp_object_cache->cache_hits ) ? $wp_object_cache->cache_hits : 0;
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$this->tick_cache_miss_offset = ! empty( $wp_object_cache->cache_misses ) ? $wp_object_cache->cache_misses : 0;
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}
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/**
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* Profiling request time for any active Loggers
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*/
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public function wp_request_begin( $filter_value = null ) {
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foreach ( Logger::$active_loggers as $logger ) {
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$logger->start_request_timer();
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}
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return $filter_value;
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}
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/**
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* Profiling request time for any active Loggers
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*/
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public function wp_request_end( $filter_value = null ) {
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foreach ( Logger::$active_loggers as $logger ) {
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$logger->stop_request_timer();
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}
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return $filter_value;
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}
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/**
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* Runs through the entirety of the WP bootstrap process
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*/
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private function load_wordpress_with_template() {
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// WordPress already ran once.
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if ( function_exists( 'add_filter' ) ) {
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return;
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}
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if ( 'stage' === $this->type && true === $this->focus ) {
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$hooks = array();
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foreach ( $this->stage_hooks as $stage_hook ) {
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$hooks = array_merge( $hooks, $stage_hook );
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}
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$this->set_stage_hooks( $hooks );
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}
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if ( 'stage' === $this->type ) {
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if ( 'bootstrap' === $this->focus ) {
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$this->set_stage_hooks( $this->stage_hooks['bootstrap'] );
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} elseif ( ! $this->focus ) {
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$logger = new Logger( array( 'stage' => 'bootstrap' ) );
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$logger->start();
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}
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}
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WP_CLI::get_runner()->load_wordpress();
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if ( $this->running_hook ) {
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$this->loggers[ $this->running_hook ]->stop();
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$this->running_hook = null;
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}
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if ( 'hook' === $this->type && 'wp_loaded:after' === $this->focus ) {
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$this->wp_tick_profile_end();
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}
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if ( 'stage' === $this->type && ! $this->focus ) {
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$logger->stop();
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$this->loggers[] = $logger;
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}
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// Set up main_query main WordPress query.
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if ( 'stage' === $this->type ) {
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if ( 'main_query' === $this->focus ) {
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$this->set_stage_hooks( $this->stage_hooks['main_query'] );
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} elseif ( ! $this->focus ) {
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$logger = new Logger( array( 'stage' => 'main_query' ) );
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$logger->start();
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}
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}
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wp();
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if ( $this->running_hook ) {
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$this->loggers[ $this->running_hook ]->stop();
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$this->running_hook = null;
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}
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if ( 'hook' === $this->type && 'wp:after' === $this->focus ) {
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$this->wp_tick_profile_end();
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}
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if ( 'stage' === $this->type && ! $this->focus ) {
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$logger->stop();
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$this->loggers[] = $logger;
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}
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define( 'WP_USE_THEMES', true );
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// Template is normally loaded in global scope, so we need to replicate
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foreach ( $GLOBALS as $key => $value ) {
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global ${$key}; // phpcs:ignore PHPCompatibility.PHP.ForbiddenGlobalVariableVariable.NonBareVariableFound -- Syntax is updated to compatible with php 5 and 7.
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}
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// Load the theme template.
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if ( 'stage' === $this->type ) {
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if ( 'template' === $this->focus ) {
|
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$this->set_stage_hooks( $this->stage_hooks['template'] );
|
|
} elseif ( ! $this->focus ) {
|
|
$logger = new Logger( array( 'stage' => 'template' ) );
|
|
$logger->start();
|
|
}
|
|
}
|
|
ob_start();
|
|
require_once( ABSPATH . WPINC . '/template-loader.php' );
|
|
ob_get_clean();
|
|
if ( $this->running_hook ) {
|
|
$this->loggers[ $this->running_hook ]->stop();
|
|
$this->running_hook = null;
|
|
}
|
|
if ( 'hook' === $this->type && 'wp_footer:after' === $this->focus ) {
|
|
$this->wp_tick_profile_end();
|
|
}
|
|
if ( 'stage' === $this->type && ! $this->focus ) {
|
|
$logger->stop();
|
|
$this->loggers[] = $logger;
|
|
}
|
|
|
|
}
|
|
|
|
/**
|
|
* Get a human-readable name from a callback
|
|
*/
|
|
private static function get_name_location_from_callback( $callback ) {
|
|
$name = $location = '';
|
|
$reflection = false;
|
|
if ( is_array( $callback ) && is_object( $callback[0] ) ) {
|
|
$reflection = new \ReflectionMethod( $callback[0], $callback[1] );
|
|
$name = get_class( $callback[0] ) . '->' . $callback[1] . '()';
|
|
} elseif ( is_array( $callback ) && method_exists( $callback[0], $callback[1] ) ) {
|
|
$reflection = new \ReflectionMethod( $callback[0], $callback[1] );
|
|
$name = $callback[0] . '::' . $callback[1] . '()';
|
|
} elseif ( is_object( $callback ) && is_a( $callback, 'Closure' ) ) {
|
|
$reflection = new \ReflectionFunction( $callback );
|
|
$name = 'function(){}';
|
|
} elseif ( is_string( $callback ) && function_exists( $callback ) ) {
|
|
$reflection = new \ReflectionFunction( $callback );
|
|
$name = $callback . '()';
|
|
}
|
|
if ( $reflection ) {
|
|
$location = $reflection->getFileName() . ':' . $reflection->getStartLine();
|
|
}
|
|
return array( $name, $location );
|
|
}
|
|
|
|
/**
|
|
* Get the short location from the full location
|
|
*
|
|
* @param string $location
|
|
* @return string
|
|
*/
|
|
private static function get_short_location( $location ) {
|
|
$abspath = rtrim( realpath( ABSPATH ), '/' ) . '/';
|
|
if ( defined( 'WP_PLUGIN_DIR' ) && 0 === stripos( $location, WP_PLUGIN_DIR ) ) {
|
|
$location = str_replace( trailingslashit( WP_PLUGIN_DIR ), '', $location );
|
|
} elseif ( defined( 'WPMU_PLUGIN_DIR' ) && 0 === stripos( $location, WPMU_PLUGIN_DIR ) ) {
|
|
$location = str_replace( trailingslashit( dirname( WPMU_PLUGIN_DIR ) ), '', $location );
|
|
} elseif ( function_exists( 'get_theme_root' ) && 0 === stripos( $location, get_theme_root() ) ) {
|
|
$location = str_replace( trailingslashit( get_theme_root() ), '', $location );
|
|
} elseif ( 0 === stripos( $location, $abspath . 'wp-admin/' ) ) {
|
|
$location = str_replace( $abspath, '', $location );
|
|
} elseif ( 0 === stripos( $location, $abspath . 'wp-includes/' ) ) {
|
|
$location = str_replace( $abspath, '', $location );
|
|
}
|
|
return $location;
|
|
}
|
|
|
|
/**
|
|
* Set the hooks for the current stage
|
|
*/
|
|
private function set_stage_hooks( $hooks ) {
|
|
$this->current_stage_hooks = $hooks;
|
|
$pseudo_hook = "{$hooks[0]}:before";
|
|
$this->loggers[ $pseudo_hook ] = new Logger( array( 'hook' => $pseudo_hook ) );
|
|
$this->loggers[ $pseudo_hook ]->start();
|
|
}
|
|
|
|
/**
|
|
* Get the callbacks for a given filter
|
|
*
|
|
* @param string
|
|
* @return array|false
|
|
*/
|
|
private static function get_filter_callbacks( $filter ) {
|
|
global $wp_filter;
|
|
|
|
if ( ! isset( $wp_filter[ $filter ] ) ) {
|
|
return false;
|
|
}
|
|
|
|
if ( is_a( $wp_filter[ $filter ], 'WP_Hook' ) ) {
|
|
$callbacks = $wp_filter[ $filter ]->callbacks;
|
|
} else {
|
|
$callbacks = $wp_filter[ $filter ];
|
|
}
|
|
if ( is_array( $callbacks ) ) {
|
|
return $callbacks;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Set the callbacks for a given filter
|
|
*
|
|
* @param string $filter
|
|
* @param mixed $callbacks
|
|
*/
|
|
private static function set_filter_callbacks( $filter, $callbacks ) {
|
|
global $wp_filter;
|
|
|
|
if ( ! isset( $wp_filter[ $filter ] ) && class_exists( 'WP_Hook' ) ) {
|
|
$wp_filter[ $filter ] = new \WP_Hook;
|
|
}
|
|
|
|
if ( is_a( $wp_filter[ $filter ], 'WP_Hook' ) ) {
|
|
$wp_filter[ $filter ]->callbacks = $callbacks;
|
|
} else {
|
|
$wp_filter[ $filter ] = $callbacks;
|
|
}
|
|
}
|
|
|
|
}
|
