b8f9b04741
Drive-by-fix: - improve log parsing by not wrapping single lines in arrays Change-Id: Ic4c5fdeb7875c8c5db57843f583e93285026ff74 BUG: chromium:757467, chromium:850038 Reviewed-on: https://chromium-review.googlesource.com/1078753 Commit-Queue: Camillo Bruni <cbruni@chromium.org> Reviewed-by: Jaroslav Sevcik <jarin@chromium.org> Reviewed-by: Camillo Bruni <cbruni@chromium.org> Cr-Commit-Position: refs/heads/master@{#53547}
338 lines
9.2 KiB
HTML
338 lines
9.2 KiB
HTML
<html>
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<!--
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Copyright 2016 the V8 project authors. All rights reserved. Use of this source
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code is governed by a BSD-style license that can be found in the LICENSE file.
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-->
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<head>
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<style>
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html {
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font-family: monospace;
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}
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.parse {
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background-color: red;
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border: 1px red solid;
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}
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.preparse {
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background-color: orange;
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border: 1px orange solid;
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}
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.resolution {
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background-color: green;
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border: 1px green solid;
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}
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.execution {
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background-color: black;
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border-left: 2px black solid;
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z-index: -1;
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}
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.script {
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margin-top: 1em;
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overflow: visible;
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clear: both;
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border-top: 2px black dotted;
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}
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.script h3 {
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height: 20px;
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margin-bottom: 0.5em;
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white-space: nowrap;
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}
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.script-details {
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float: left;
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}
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.chart {
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float: left;
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margin-right: 2em;
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}
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.funktion-list {
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float: left;
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height: 400px;
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}
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.funktion-list > ul {
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height: 80%;
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overflow-y: scroll;
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}
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.funktion {
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}
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</style>
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<script src="./splaytree.js" type="text/javascript"></script>
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<script src="./codemap.js" type="text/javascript"></script>
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<script src="./csvparser.js" type="text/javascript"></script>
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<script src="./consarray.js" type="text/javascript"></script>
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<script src="./profile.js" type="text/javascript"></script>
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<script src="./profile_view.js" type="text/javascript"></script>
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<script src="./logreader.js" type="text/javascript"></script>
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<script src="./arguments.js" type="text/javascript"></script>
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<script src="./parse-processor.js" type="text/javascript"></script>
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<script src="./SourceMap.js" type="text/javascript"></script>
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<script type="text/javascript" src="https://www.gstatic.com/charts/loader.js"></script>
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<script type="text/javascript">
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"use strict";
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google.charts.load('current', {packages: ['corechart']});
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function $(query) {
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return document.querySelector(query);
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}
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function loadFile() {
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let files = $('#uploadInput').files;
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let file = files[0];
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let reader = new FileReader();
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reader.onload = function(evt) {
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const kTimerName = 'parse log file';
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console.time(kTimerName);
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let parseProcessor = new ParseProcessor();
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parseProcessor.processString(this.result);
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console.timeEnd(kTimerName);
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renderParseResults(parseProcessor);
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document.parseProcessor = parseProcessor;
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}
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reader.readAsText(file);
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}
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function handleOnLoad() {
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document.querySelector("#uploadInput").focus();
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}
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function createNode(tag, classNames) {
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let node = document.createElement(tag);
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if (classNames) {
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if (Array.isArray(classNames)) {
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node.classList.add(...classNames);
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} else {
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node.className = classNames;
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}
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}
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return node;
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}
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function div(...args) {
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return createNode('div', ...args);
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}
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function h1(string) {
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let node = createNode('h1');
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node.appendChild(text(string));
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return node;
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}
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function h3(string, ...args) {
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let node = createNode('h3', ...args);
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if (string) node.appendChild(text(string));
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return node;
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}
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function a(href, string, ...args) {
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let link = createNode('a', ...args);
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if (href.length) link.href = href;
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if (string) link.appendChild(text(string));
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return link;
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}
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function text(string) {
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return document.createTextNode(string);
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}
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function delay(t) {
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return new Promise(resolve => setTimeout(resolve, t));
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}
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function renderParseResults(parseProcessor) {
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let result = $('#result');
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// clear out all existing result pages;
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result.innerHTML = '';
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const start = parseProcessor.firstEvent;
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const end = parseProcessor.lastEvent;
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renderScript(result, parseProcessor.totalScript, start, end);
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// Build up the graphs lazily to keep the page responsive.
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parseProcessor.scripts.forEach(
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script => renderScript(result, script, start, end));
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// Install an intersection observer to lazily load the graphs when the script
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// div becomes visible for the first time.
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var io = new IntersectionObserver((entries, observer) => {
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entries.forEach(entry => {
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if (entry.intersectionRatio == 0) return;
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console.assert(!entry.target.querySelector('.graph'));
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let target = entry.target;
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appendGraph(target.script, target, start, end);
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observer.unobserve(entry.target);
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});
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}, {});
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document.querySelectorAll('.script').forEach(div => io.observe(div));
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}
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const kTimeFactor = 10;
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const kHeight = 20;
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const kFunktionTopOffset = 50;
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function renderScript(result, script, start, end) {
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// Filter out empty scripts.
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if (script.isEmpty() || script.lastParseEvent == 0) return;
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let scriptDiv = div('script');
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scriptDiv.script = script;
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let scriptTitle = h3();
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if (script.file) scriptTitle.appendChild(a(script.file, script.file));
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let anchor = a("", ' id=' + script.id);
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anchor.name = "script"+script.id
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scriptTitle.appendChild(anchor);
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scriptDiv.appendChild(scriptTitle);
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let summary = createNode('pre', 'script-details');
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summary.appendChild(text(script.summary));
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scriptDiv.appendChild(summary);
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result.appendChild(scriptDiv);
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return scriptDiv;
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}
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const kMaxTime = 120 * kSecondsToMillis;
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// Resolution of the graphs
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const kTimeIncrement = 1;
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const kSelectionTimespan = 2;
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const series = [
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// ['firstParseEvent', 'Any Parse Event'],
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['parse', 'Parsing'],
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// ['preparse', 'Preparsing'],
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// ['resolution', 'Preparsing with Var. Resolution'],
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['lazyCompile', 'Lazy Compilation'],
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['compile', 'Eager Compilation'],
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['execution', 'First Execution'],
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];
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const metricNames = series.map(each => each[0]);
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function appendGraph(script, parentNode, start, end) {
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const timerLabel = 'graph script=' + script.id;
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// TODO(cbruni): add support for network events
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console.time(timerLabel);
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let data = new google.visualization.DataTable();
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data.addColumn('number', 'Time');
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// The series are interleave bytes processed, time spent and thus have two
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// different vAxes.
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let seriesOptions = [];
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series.forEach(each => {
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let description = each[1];
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// Add the bytes column.
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data.addColumn('number', description + ' Bytes');
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seriesOptions.push({targetAxisIndex: 0});
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// Add the time column.
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data.addColumn('number', description + ' Time');
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seriesOptions.push({targetAxisIndex: 1, lineDashStyle: [3, 2]});
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});
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// The first entry contains the total.
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seriesOptions[0].type = 'area';
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const maxTime = Math.min(kMaxTime, end);
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console.time('metrics');
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let metricValues =
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script.getAccumulatedTimeMetrics(metricNames , 0, maxTime, kTimeIncrement);
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console.timeEnd('metrics');
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console.assert(metricValues[0].length == seriesOptions.length + 1);
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data.addRows(metricValues);
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let options = {
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explorer: {
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actions: ['dragToZoom', 'rightClickToReset'],
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maxZoomIn: 0.01
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},
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hAxis: {
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format: '#,###.##s'
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},
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vAxes: {
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0: {title: 'Bytes Touched', format: 'short'},
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1: {title: 'Time', format: '#,###ms'}
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},
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height: 400,
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width: 1000,
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chartArea: {left: '5%', top: '15%', width: "85%", height: "75%"},
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// The first series should be a area chart (total bytes touched),
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series: seriesOptions,
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// everthing else is a line.
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seriesType: 'line'
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};
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let graphNode = createNode('div', 'chart');
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let listNode = createNode('div', 'funktion-list');
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parentNode.appendChild(graphNode);
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parentNode.appendChild(listNode);
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let chart = new google.visualization.ComboChart(graphNode);
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google.visualization.events.addListener(chart, 'select',
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() => selectGraphPointHandler(chart, data, script, parentNode));
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chart.draw(data, options);
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console.timeEnd(timerLabel);
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}
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function selectGraphPointHandler(chart, data, script, parentNode) {
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let selection = chart.getSelection();
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if (selection.length <= 0) return;
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// Display a list of funktions with events at the given time.
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let {row, column} = selection[0];
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if (row === null|| column === null) return;
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let name = series[((column-1)/2) | 0][0];
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let time = data.getValue(row, 0);
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let funktions = script.getFunktionsAtTime(
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time * kSecondsToMillis, kSelectionTimespan, name);
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let oldList = parentNode.querySelector('.funktion-list');
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parentNode.replaceChild(createFunktionList(name, time, funktions), oldList);
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}
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function createFunktionList(metric, time, funktions) {
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let container = createNode('div', 'funktion-list');
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container.appendChild(h3('Changes of ' + metric + ' at ' +
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time + 's: ' + funktions.length));
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let listNode = createNode('ul');
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funktions.forEach(funktion => {
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let node = createNode('li', 'funktion');
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node.funktion = funktion;
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node.appendChild(text(funktion.toString(false) + " "));
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let script = funktion.script;
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if (script) {
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node.appendChild(a("#script" + script.id, "in script " + script.id));
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}
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listNode.appendChild(node);
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});
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container.appendChild(listNode);
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return container;
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}
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</script>
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</head>
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<body onload="handleOnLoad()">
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<h1>BEHOLD, THIS IS PARSEROR!</h1>
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<h2>Usage</h2>
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Run your script with <code>--log-function-events</code> and upload <code>v8.log</code> on this page:<br/>
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<code>/path/to/d8 --log-function-events your_script.js</code>
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<h2>Data</h2>
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<form name="fileForm">
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<p>
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<input id="uploadInput" type="file" name="files" onchange="loadFile();"> trace entries: <span id="count">0</span>
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</p>
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</form>
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<h2>Result</h2>
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<div id="result"></div>
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</body>
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</html>
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