callgraph.php
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callgraph.php
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			<?php
			// Copyright (c) 2009 Facebook
			//
			// Licensed under the Apache License, Version 2.0 (the "License");
			// you may not use this file except in compliance with the License.
			// You may obtain a copy of the License at
			//
			// http://www.apache.org/licenses/LICENSE-2.0
			//
			// Unless required by applicable law or agreed to in writing, software
			// distributed under the License is distributed on an "AS IS" BASIS,
			// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
			// See the License for the specific language governing permissions and
			// limitations under the License.
			//

			/**
			*
			* A callgraph generator for XHProf.
			*
			* * This file is part of the UI/reporting component,
			* used for viewing results of XHProf runs from a
			* browser.
			*
			* Modification History:
			* 02/15/2008 - cjiang - The first version of callgraph visualizer
			* based on Graphviz's DOT tool.
			*
			* @author Changhao Jiang (cjiang@facebook.com)
			*/

			// by default assume that xhprof_html & xhprof_lib directories
			// are at the same level.
			$GLOBALS['XHPROF_LIB_ROOT'] = dirname(__FILE__) . '/../xhprof_lib';

			require_once $GLOBALS['XHPROF_LIB_ROOT'].'/display/xhprof.php';

			ini_set('max_execution_time', 100);

			$params = array(// run id param
			'run' => array(XHPROF_STRING_PARAM, ''),

			// source/namespace/type of run
			'source' => array(XHPROF_STRING_PARAM, 'xhprof'),

			// the focus function, if it is set, only directly
			// parents/children functions of it will be shown.
			'func' => array(XHPROF_STRING_PARAM, ''),

			// image type, can be 'jpg', 'gif', 'ps', 'png'
			'type' => array(XHPROF_STRING_PARAM, 'png'),

			// only functions whose exclusive time over the total time
			// is larger than this threshold will be shown.
			// default is 0.01.
			'threshold' => array(XHPROF_FLOAT_PARAM, 0.01),

			// whether to show critical_path
			'critical' => array(XHPROF_BOOL_PARAM, true),

			// first run in diff mode.
			'run1' => array(XHPROF_STRING_PARAM, ''),

			// second run in diff mode.
			'run2' => array(XHPROF_STRING_PARAM, '')
			);

			// pull values of these params, and create named globals for each param
			xhprof_param_init($params);

			// if invalid value specified for threshold, then use the default
			if ($threshold < 0 \|\| $threshold > 1) {
			$threshold = $params['threshold'][1];
			}

			// if invalid value specified for type, use the default
			if (!array_key_exists($type, $xhprof_legal_image_types)) {
			$type = $params['type'][1]; // default image type.
			}

			$xhprof_runs_impl = new XHProfRuns_Default();

			if (!empty($run)) {
			// single run call graph image generation
			xhprof_render_image($xhprof_runs_impl, $run, $type,
			$threshold, $func, $source, $critical);
			} else {
			// diff report call graph image generation
			xhprof_render_diff_image($xhprof_runs_impl, $run1, $run2,
			$type, $threshold, $source);
			}

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rXPRF/xhprof_html/callgraph.phpdab44f76da5cexperimental

callgraph.phpView Options

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rXPRF/xhprof_html/callgraph.php
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callgraph.php
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