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103 lines
3.6 KiB
103 lines
3.6 KiB
<?php
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// Copyright (c) 2009 Facebook
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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/**
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*
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* A callgraph generator for XHProf.
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*
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* * This file is part of the UI/reporting component,
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* used for viewing results of XHProf runs from a
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* browser.
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*
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* Modification History:
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* 02/15/2008 - cjiang - The first version of callgraph visualizer
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* based on Graphviz's DOT tool.
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*
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* @author Changhao Jiang (cjiang@facebook.com)
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*/
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// Start moodle modification: moodleize this script.
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require_once(dirname(dirname(dirname(dirname(__FILE__)))).'/config.php');
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require_once($CFG->libdir . '/xhprof/xhprof_moodle.php');
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require_login();
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require_capability('moodle/site:config', context_system::instance());
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raise_memory_limit(MEMORY_HUGE);
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\core\session\manager::write_close();
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// End moodle modification.
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// by default assume that xhprof_html & xhprof_lib directories
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// are at the same level.
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$GLOBALS['XHPROF_LIB_ROOT'] = dirname(__FILE__) . '/../xhprof_lib';
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require_once $GLOBALS['XHPROF_LIB_ROOT'].'/display/xhprof.php';
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ini_set('max_execution_time', 100);
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$params = array(// run id param
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'run' => array(XHPROF_STRING_PARAM, ''),
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// source/namespace/type of run
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'source' => array(XHPROF_STRING_PARAM, 'xhprof'),
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// the focus function, if it is set, only directly
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// parents/children functions of it will be shown.
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'func' => array(XHPROF_STRING_PARAM, ''),
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// image type, can be 'jpg', 'gif', 'ps', 'png'
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'type' => array(XHPROF_STRING_PARAM, 'png'),
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// only functions whose exclusive time over the total time
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// is larger than this threshold will be shown.
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// default is 0.01.
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'threshold' => array(XHPROF_FLOAT_PARAM, 0.01),
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// whether to show critical_path
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'critical' => array(XHPROF_BOOL_PARAM, true),
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// first run in diff mode.
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'run1' => array(XHPROF_STRING_PARAM, ''),
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// second run in diff mode.
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'run2' => array(XHPROF_STRING_PARAM, '')
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);
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// pull values of these params, and create named globals for each param
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xhprof_param_init($params);
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// if invalid value specified for threshold, then use the default
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if ($threshold < 0 || $threshold > 1) {
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$threshold = $params['threshold'][1];
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}
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// if invalid value specified for type, use the default
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if (!array_key_exists($type, $xhprof_legal_image_types)) {
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$type = $params['type'][1]; // default image type.
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}
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// Start moodle modification: use own XHProfRuns implementation.
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// $xhprof_runs_impl = new XHProfRuns_Default();
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$xhprof_runs_impl = new moodle_xhprofrun();
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// End moodle modification.
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if (!empty($run)) {
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// single run call graph image generation
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xhprof_render_image($xhprof_runs_impl, $run, $type,
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$threshold, $func, $source, $critical);
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} else {
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// diff report call graph image generation
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xhprof_render_diff_image($xhprof_runs_impl, $run1, $run2,
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$type, $threshold, $source);
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}
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