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<?php |
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/* |
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+=====================================================================+ |
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| ____ _ ____ __ _ _ | |
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| / ___|___ __| | ___ | _ \ _ __ ___ / _(_) | ___ _ __ | |
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| | | / _ \ / _` |/ _ \ | |_) | '__/ _ \| |_| | |/ _ \ '__| | |
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| | |__| (_) | (_| | __/ | __/| | | (_) | _| | | __/ | | |
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| \____\___/ \__,_|\___| |_| |_| \___/|_| |_|_|\___|_| | |
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| | |
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| (c) Jerome Bruandet ~ https://code-profiler.com/ | |
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+=====================================================================+ |
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*/ |
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|
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if (! defined('ABSPATH') ) { die('Forbidden'); } |
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|
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// ===================================================================== |
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|
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class CodeProfiler_Profiler { |
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|
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static $tick_list; |
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static $buffer; |
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static $metrics; |
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static $connections_list = []; |
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static $connections_start; |
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private $tmp_iostats; |
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private $tmp_summary; |
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private $tmp_diskio; |
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private $tmp_ticks; |
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|
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/** |
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* Initialize |
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*/ |
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public function __construct() { |
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|
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$microtime = sanitize_file_name( $_REQUEST['CODE_PROFILER_ON'] ); |
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|
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$this->tmp_summary = CODE_PROFILER_UPLOAD_DIR ."/$microtime." . |
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CODE_PROFILER_TMP_SUMMARY_LOG; |
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$this->tmp_iostats = CODE_PROFILER_UPLOAD_DIR ."/$microtime." . |
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CODE_PROFILER_TMP_IOSTATS_LOG; |
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$this->tmp_ticks = CODE_PROFILER_UPLOAD_DIR ."/$microtime." . |
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CODE_PROFILER_TMP_TICKS_LOG; |
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$this->tmp_diskio = CODE_PROFILER_UPLOAD_DIR ."/$microtime." . |
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CODE_PROFILER_TMP_DISKIO_LOG; |
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$this->tmp_connections = CODE_PROFILER_UPLOAD_DIR ."/$microtime." . |
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CODE_PROFILER_TMP_CONNECTIONS_LOG; |
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|
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// Clear the temporary log because the buffer will be written |
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// with the FILE_APPEND flag |
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if ( file_exists( $this->tmp_ticks ) ) { |
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unlink( $this->tmp_ticks ); |
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} |
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|
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if ( function_exists('hrtime') ) { |
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// PHP >=7.3 |
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self::$metrics = 'hrtime'; |
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} else { |
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self::$metrics = 'microtime'; |
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} |
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|
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$cp_options = get_option('code-profiler'); |
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if ( empty( $cp_options['accuracy'] ) ) { |
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define('CODE_PROFILER_TICKS', 1 ); |
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} else { |
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define('CODE_PROFILER_TICKS', (int) $cp_options['accuracy'] ); |
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} |
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define('CODE_PROFILER_LENGTH', 17 + strlen( (string) CODE_PROFILER_TICKS ) ); |
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|
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if ( empty( $cp_options['buffer'] ) || |
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! preg_match('/^(?:[1-9]|10)$/', $cp_options['buffer'] ) ) { |
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|
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$recommended = code_profiler_suggested_memory(); |
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self::$buffer = (int) $recommended * 1000000; |
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} else { |
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self::$buffer = $cp_options['buffer'] * 1000000; |
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} |
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code_profiler_log_debug( |
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sprintf( |
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esc_html__('Setting size of memory buffer to %sMB', 'code-profiler'), |
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self::$buffer / 1000000 |
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) |
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); |
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|
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add_filter('pre_http_request', [ $this, 'pre_http_request'], 10000, 3 ); |
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add_action('http_api_debug', [ $this, 'http_api_debug'], 10000, 5 ); |
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register_shutdown_function( [ $this, 'code_profiler_shutdown'] ); |
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code_profiler_log_debug( |
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esc_html__('Starting profiler', 'code-profiler') |
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); |
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require 'class-stream.php'; |
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CodeProfiler_Stream::start(); |
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register_tick_function( array( $this, 'code_profiler_tick_handler') ); |
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} |
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|
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/** |
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* Save data and check for potential PHP errors. |
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*/ |
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public function code_profiler_shutdown() { |
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|
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CodeProfiler_Stream::stop(); |
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|
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$summary['memory'] = memory_get_peak_usage(); |
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$summary['queries'] = get_num_queries() - 2; |
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file_put_contents( $this->tmp_summary, json_encode( $summary ) ); |
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|
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// Catch potential error |
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$e = error_get_last(); |
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if ( isset( $e['type'] ) && $e['type'] === E_ERROR ) { |
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$err = str_replace( "\n", ' - ', $e['message'] ); |
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code_profiler_log_error( sprintf( |
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/* Translators: Error message, line number and script */ |
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esc_html__('Error: E_ERROR (%s - line %s in %s)', 'code-profiler'), |
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esc_html( $err ), |
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(int) $e['line'], |
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esc_html( $e['file'] ) |
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)); |
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} |
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|
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$err_msg = esc_html__('Cannot open file for writting: %s', 'code-profiler'); |
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$res = file_put_contents( $this->tmp_iostats, json_encode( CodeProfiler_Stream::$io_stats ) ); |
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if ( $res === false ) { |
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$msg = sprintf( $err_msg, $this->tmp_iostats ); |
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code_profiler_log_error( $msg ); |
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} |
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$res = file_put_contents( $this->tmp_ticks, self::$tick_list, FILE_APPEND ); |
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if ( $res === false ) { |
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$msg = sprintf( $err_msg, $this->tmp_ticks ); |
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code_profiler_log_error( $msg ); |
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} |
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$res = file_put_contents( |
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$this->tmp_diskio, "read\t". CodeProfiler_Stream::$io_read ."\nwrite\t". |
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CodeProfiler_Stream::$io_write |
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); |
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if (! empty( self::$connections_list ) ) { |
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file_put_contents( $this->tmp_connections, json_encode( self::$connections_list) ); |
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} |
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} |
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|
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/** |
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* Our tick handler. |
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*/ |
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public function code_profiler_tick_handler() { |
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|
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$start = $this->time(); |
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|
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$backtrace = debug_backtrace( DEBUG_BACKTRACE_IGNORE_ARGS, 2 ); |
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if ( isset( $backtrace[1] ) ) { |
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$el = $backtrace[1]; |
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} else { |
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$el = $backtrace[0]; |
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} |
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|
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if ( empty( $el['file'] ) ) { |
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if ( isset( $backtrace[0]['file'] ) ) { |
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$el['file'] = $backtrace[0]['file']; |
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} else { |
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return; |
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} |
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} |
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|
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self::$tick_list .= "{$el['file']}\t"; |
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if ( isset( $backtrace[0]['file'][0] ) ) { |
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self::$tick_list .= $backtrace[0]['file']; |
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} else { |
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self::$tick_list .= '-'; |
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} |
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$backtrace = null; |
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|
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// Buffer can grow *very* big hence we flush it every 10MB by default |
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if ( strlen( self::$tick_list ) > self::$buffer ) { |
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CodeProfiler_Stream::stop(); |
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file_put_contents( |
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$this->tmp_ticks, |
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self::$tick_list ."\t{$start}\t". $this->time() ."\n", |
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FILE_APPEND |
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); |
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CodeProfiler_Stream::start(); |
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self::$tick_list = ''; |
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|
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} else { |
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self::$tick_list .="\t{$start}\t". $this->time() ."\n"; |
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} |
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} |
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|
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|
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/** |
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* HTTP API request. |
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*/ |
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public function pre_http_request( $preempt, $r, $url ) { |
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|
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if ( empty( $url ) ) { |
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return false; |
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} |
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$backtrace = debug_backtrace( DEBUG_BACKTRACE_IGNORE_ARGS ); |
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self::$connections_start = $this->time(); |
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self::$connections_list[ self::$connections_start ]['bt'] = $backtrace; |
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return false; |
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} |
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|
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|
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/** |
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* HTTP API response. |
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*/ |
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public function http_api_debug( $response, $context, $class, $parsed_args, $url ) { |
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|
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self::$connections_list[ self::$connections_start ]['stop'] = $this->time(); |
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} |
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|
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/** |
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* Return time |
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*/ |
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private function time() { |
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|
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if ( self::$metrics == 'hrtime') { |
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return hrtime( true ); |
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} else { |
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return microtime( true ); |
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} |
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} |
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} |
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|
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new CodeProfiler_Profiler(); |
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|
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// ===================================================================== |
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// EOF |
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|
