Javascript
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1339行
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45.72 KB
/*
* Copyright (C) 2017 The Android Open Source Project
*
* 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.
*/
'use strict';
// Use IIFE to avoid leaking names to other scripts.
$(document).ready(function() {
function openHtml(name, attrs={}) {
let s = `<${name} `;
for (let key in attrs) {
s += `${key}="${attrs[key]}" `;
}
s += '>';
return s;
}
function closeHtml(name) {
return `</${name}>`;
}
function getHtml(name, attrs={}) {
let text;
if ('text' in attrs) {
text = attrs.text;
delete attrs.text;
}
let s = openHtml(name, attrs);
if (text) {
s += text;
}
s += closeHtml(name);
return s;
}
function getTableRow(cols, colName, attrs={}) {
let s = openHtml('tr', attrs);
for (let col of cols) {
s += `<${colName}>${col}</${colName}>`;
}
s += '</tr>';
return s;
}
function toPercentageStr(percentage) {
return percentage.toFixed(2) + '%';
}
function getProcessName(pid) {
let name = gProcesses[pid];
return name ? `${pid} (${name})`: pid.toString();
}
function getThreadName(tid) {
let name = gThreads[tid];
return name ? `${tid} (${name})`: tid.toString();
}
function getLibName(libId) {
return gLibList[libId];
}
function getFuncName(funcId) {
return gFunctionMap[funcId].f;
}
function getLibNameOfFunction(funcId) {
return getLibName(gFunctionMap[funcId].l);
}
function getFuncSourceRange(funcId) {
let func = gFunctionMap[funcId];
if (func.hasOwnProperty('s')) {
return {fileId: func.s[0], startLine: func.s[1], endLine: func.s[2]};
}
return null;
}
function getFuncDisassembly(funcId) {
let func = gFunctionMap[funcId];
return func.hasOwnProperty('d') ? func.d : null;
}
function getSourceFilePath(sourceFileId) {
return gSourceFiles[sourceFileId].path;
}
function getSourceCode(sourceFileId) {
return gSourceFiles[sourceFileId].code;
}
function isClockEvent(eventInfo) {
return eventInfo.eventName.includes('task-clock') ||
eventInfo.eventName.includes('cpu-clock');
}
class TabManager {
constructor(divContainer) {
this.div = $('<div>', {id: 'tabs'});
this.div.appendTo(divContainer);
this.div.append(getHtml('ul'));
this.tabs = [];
this.isDrawCalled = false;
}
addTab(title, tabObj) {
let id = 'tab_' + this.div.children().length;
let tabDiv = $('<div>', {id: id});
tabDiv.appendTo(this.div);
this.div.children().first().append(
getHtml('li', {text: getHtml('a', {href: '#' + id, text: title})}));
tabObj.init(tabDiv);
this.tabs.push(tabObj);
if (this.isDrawCalled) {
this.div.tabs('refresh');
}
return tabObj;
}
findTab(title) {
let links = this.div.find('li a');
for (let i = 0; i < links.length; ++i) {
if (links.eq(i).text() == title) {
return this.tabs[i];
}
}
return null;
}
draw() {
this.div.tabs({
active: 0,
});
this.tabs.forEach(function(tab) {
tab.draw();
});
this.isDrawCalled = true;
}
setActive(tabObj) {
for (let i = 0; i < this.tabs.length; ++i) {
if (this.tabs[i] == tabObj) {
this.div.tabs('option', 'active', i);
break;
}
}
}
}
// Show global information retrieved from the record file, including:
// record time
// machine type
// Android version
// record cmdline
// total samples
class RecordFileView {
constructor(divContainer) {
this.div = $('<div>');
this.div.appendTo(divContainer);
}
draw() {
google.charts.setOnLoadCallback(() => this.realDraw());
}
realDraw() {
this.div.empty();
// Draw a table of 'Name', 'Value'.
let rows = [];
if (gRecordInfo.recordTime) {
rows.push(['Record Time', gRecordInfo.recordTime]);
}
if (gRecordInfo.machineType) {
rows.push(['Machine Type', gRecordInfo.machineType]);
}
if (gRecordInfo.androidVersion) {
rows.push(['Android Version', gRecordInfo.androidVersion]);
}
if (gRecordInfo.recordCmdline) {
rows.push(['Record cmdline', gRecordInfo.recordCmdline]);
}
rows.push(['Total Samples', '' + gRecordInfo.totalSamples]);
let data = new google.visualization.DataTable();
data.addColumn('string', '');
data.addColumn('string', '');
data.addRows(rows);
for (let i = 0; i < rows.length; ++i) {
data.setProperty(i, 0, 'className', 'boldTableCell');
}
let table = new google.visualization.Table(this.div.get(0));
table.draw(data, {
width: '100%',
sort: 'disable',
allowHtml: true,
cssClassNames: {
'tableCell': 'tableCell',
},
});
}
}
// Show pieChart of event count percentage of each process, thread, library and function.
class ChartView {
constructor(divContainer, eventInfo) {
this.id = divContainer.children().length;
this.div = $('<div>', {id: 'chartstat_' + this.id});
this.div.appendTo(divContainer);
this.eventInfo = eventInfo;
this.processInfo = null;
this.threadInfo = null;
this.libInfo = null;
this.states = {
SHOW_EVENT_INFO: 1,
SHOW_PROCESS_INFO: 2,
SHOW_THREAD_INFO: 3,
SHOW_LIB_INFO: 4,
};
if (isClockEvent(this.eventInfo)) {
this.getSampleWeight = function (eventCount) {
return (eventCount / 1000000.0).toFixed(3) + ' ms';
}
} else {
this.getSampleWeight = (eventCount) => '' + eventCount;
}
}
_getState() {
if (this.libInfo) {
return this.states.SHOW_LIB_INFO;
}
if (this.threadInfo) {
return this.states.SHOW_THREAD_INFO;
}
if (this.processInfo) {
return this.states.SHOW_PROCESS_INFO;
}
return this.states.SHOW_EVENT_INFO;
}
_goBack() {
let state = this._getState();
if (state == this.states.SHOW_PROCESS_INFO) {
this.processInfo = null;
} else if (state == this.states.SHOW_THREAD_INFO) {
this.threadInfo = null;
} else if (state == this.states.SHOW_LIB_INFO) {
this.libInfo = null;
}
this.draw();
}
_selectHandler(chart) {
let selectedItem = chart.getSelection()[0];
if (selectedItem) {
let state = this._getState();
if (state == this.states.SHOW_EVENT_INFO) {
this.processInfo = this.eventInfo.processes[selectedItem.row];
} else if (state == this.states.SHOW_PROCESS_INFO) {
this.threadInfo = this.processInfo.threads[selectedItem.row];
} else if (state == this.states.SHOW_THREAD_INFO) {
this.libInfo = this.threadInfo.libs[selectedItem.row];
}
this.draw();
}
}
draw() {
google.charts.setOnLoadCallback(() => this.realDraw());
}
realDraw() {
this.div.empty();
this._drawTitle();
this._drawPieChart();
}
_drawTitle() {
// Draw a table of 'Name', 'Event Count'.
let rows = [];
rows.push(['Event Type: ' + this.eventInfo.eventName,
this.getSampleWeight(this.eventInfo.eventCount)]);
if (this.processInfo) {
rows.push(['Process: ' + getProcessName(this.processInfo.pid),
this.getSampleWeight(this.processInfo.eventCount)]);
}
if (this.threadInfo) {
rows.push(['Thread: ' + getThreadName(this.threadInfo.tid),
this.getSampleWeight(this.threadInfo.eventCount)]);
}
if (this.libInfo) {
rows.push(['Library: ' + getLibName(this.libInfo.libId),
this.getSampleWeight(this.libInfo.eventCount)]);
}
let data = new google.visualization.DataTable();
data.addColumn('string', '');
data.addColumn('string', '');
data.addRows(rows);
for (let i = 0; i < rows.length; ++i) {
data.setProperty(i, 0, 'className', 'boldTableCell');
}
let wrapperDiv = $('<div>');
wrapperDiv.appendTo(this.div);
let table = new google.visualization.Table(wrapperDiv.get(0));
table.draw(data, {
width: '100%',
sort: 'disable',
allowHtml: true,
cssClassNames: {
'tableCell': 'tableCell',
},
});
if (this._getState() != this.states.SHOW_EVENT_INFO) {
let button = $('<button>', {text: 'Back'});
button.appendTo(this.div);
button.button().click(() => this._goBack());
}
}
_drawPieChart() {
let state = this._getState();
let title = null;
let firstColumn = null;
let rows = [];
let thisObj = this;
function getItem(name, eventCount, totalEventCount) {
let sampleWeight = thisObj.getSampleWeight(eventCount);
let percent = (eventCount * 100.0 / totalEventCount).toFixed(2) + '%';
return [name, eventCount, getHtml('pre', {text: name}) +
getHtml('b', {text: `${sampleWeight} (${percent})`})];
}
if (state == this.states.SHOW_EVENT_INFO) {
title = 'Processes in event type ' + this.eventInfo.eventName;
firstColumn = 'Process';
for (let process of this.eventInfo.processes) {
rows.push(getItem('Process: ' + getProcessName(process.pid), process.eventCount,
this.eventInfo.eventCount));
}
} else if (state == this.states.SHOW_PROCESS_INFO) {
title = 'Threads in process ' + getProcessName(this.processInfo.pid);
firstColumn = 'Thread';
for (let thread of this.processInfo.threads) {
rows.push(getItem('Thread: ' + getThreadName(thread.tid), thread.eventCount,
this.processInfo.eventCount));
}
} else if (state == this.states.SHOW_THREAD_INFO) {
title = 'Libraries in thread ' + getThreadName(this.threadInfo.tid);
firstColumn = 'Library';
for (let lib of this.threadInfo.libs) {
rows.push(getItem('Library: ' + getLibName(lib.libId), lib.eventCount,
this.threadInfo.eventCount));
}
} else if (state == this.states.SHOW_LIB_INFO) {
title = 'Functions in library ' + getLibName(this.libInfo.libId);
firstColumn = 'Function';
for (let func of this.libInfo.functions) {
rows.push(getItem('Function: ' + getFuncName(func.g.f), func.g.e,
this.libInfo.eventCount));
}
}
let data = new google.visualization.DataTable();
data.addColumn('string', firstColumn);
data.addColumn('number', 'EventCount');
data.addColumn({type: 'string', role: 'tooltip', p: {html: true}});
data.addRows(rows);
let wrapperDiv = $('<div>');
wrapperDiv.appendTo(this.div);
let chart = new google.visualization.PieChart(wrapperDiv.get(0));
chart.draw(data, {
title: title,
width: 1000,
height: 600,
tooltip: {isHtml: true},
});
google.visualization.events.addListener(chart, 'select', () => this._selectHandler(chart));
}
}
class ChartStatTab {
constructor() {
}
init(div) {
this.div = div;
this.recordFileView = new RecordFileView(this.div);
this.chartViews = [];
for (let eventInfo of gSampleInfo) {
this.chartViews.push(new ChartView(this.div, eventInfo));
}
}
draw() {
this.recordFileView.draw();
for (let charView of this.chartViews) {
charView.draw();
}
}
}
class SampleTableTab {
constructor() {
}
init(div) {
this.div = div;
this.selectorView = null;
this.sampleTableViews = [];
}
draw() {
this.selectorView = new SampleTableWeightSelectorView(this.div, gSampleInfo[0],
() => this.onSampleWeightChange());
this.selectorView.draw();
for (let eventInfo of gSampleInfo) {
this.div.append(getHtml('hr'));
this.sampleTableViews.push(new SampleTableView(this.div, eventInfo));
}
this.onSampleWeightChange();
}
onSampleWeightChange() {
for (let i = 0; i < gSampleInfo.length; ++i) {
let sampleWeightFunction = this.selectorView.getSampleWeightFunction(gSampleInfo[i]);
let sampleWeightSuffix = this.selectorView.getSampleWeightSuffix(gSampleInfo[i]);
this.sampleTableViews[i].draw(sampleWeightFunction, sampleWeightSuffix);
}
}
}
// Select the way to show sample weight in SampleTableTab.
// 1. Show percentage of event count.
// 2. Show event count (For cpu-clock and task-clock events, it is time in ms).
class SampleTableWeightSelectorView {
constructor(divContainer, firstEventInfo, onSelectChange) {
this.div = $('<div>');
this.div.appendTo(divContainer);
this.onSelectChange = onSelectChange;
this.options = {
SHOW_PERCENT: 0,
SHOW_EVENT_COUNT: 1,
};
if (isClockEvent(firstEventInfo)) {
this.curOption = this.options.SHOW_EVENT_COUNT;
} else {
this.curOption = this.options.SHOW_PERCENT;
}
}
draw() {
let options = ['Show percentage of event count', 'Show event count'];
let optionStr = '';
for (let i = 0; i < options.length; ++i) {
optionStr += getHtml('option', {value: i, text: options[i]});
}
this.div.append(getHtml('select', {text: optionStr}));
let selectMenu = this.div.children().last();
selectMenu.children().eq(this.curOption).attr('selected', 'selected');
let thisObj = this;
selectMenu.selectmenu({
change: function() {
thisObj.curOption = this.value;
thisObj.onSelectChange();
},
width: '100%',
});
}
getSampleWeightFunction(eventInfo) {
if (this.curOption == this.options.SHOW_PERCENT) {
return function(eventCount) {
return (eventCount * 100.0 / eventInfo.eventCount).toFixed(2) + '%';
}
}
if (isClockEvent(eventInfo)) {
return (eventCount) => (eventCount / 1000000.0).toFixed(3);
}
return (eventCount) => '' + eventCount;
}
getSampleWeightSuffix(eventInfo) {
if (this.curOption == this.options.SHOW_EVENT_COUNT && isClockEvent(eventInfo)) {
return ' ms';
}
return '';
}
}
class SampleTableView {
constructor(divContainer, eventInfo) {
this.id = divContainer.children().length;
this.div = $('<div>');
this.div.appendTo(divContainer);
this.eventInfo = eventInfo;
}
draw(getSampleWeight, sampleWeightSuffix) {
// Draw a table of 'Total', 'Self', 'Samples', 'Process', 'Thread', 'Library', 'Function'.
this.div.empty();
let eventInfo = this.eventInfo;
let sampleWeight = getSampleWeight(eventInfo.eventCount);
this.div.append(getHtml('p', {text: `Sample table for event ${eventInfo.eventName}, ` +
`total count ${sampleWeight}${sampleWeightSuffix}`}));
let tableId = 'sampleTable_' + this.id;
let valueSuffix = sampleWeightSuffix.length > 0 ? `(in${sampleWeightSuffix})` : '';
let titles = ['Total' + valueSuffix, 'Self' + valueSuffix, 'Samples',
'Process', 'Thread', 'Library', 'Function'];
let tableStr = openHtml('table', {id: tableId, cellspacing: '0', width: '100%'}) +
getHtml('thead', {text: getTableRow(titles, 'th')}) +
getHtml('tfoot', {text: getTableRow(titles, 'th')}) +
openHtml('tbody');
for (let i = 0; i < eventInfo.processes.length; ++i) {
let processInfo = eventInfo.processes[i];
let processName = getProcessName(processInfo.pid);
for (let j = 0; j < processInfo.threads.length; ++j) {
let threadInfo = processInfo.threads[j];
let threadName = getThreadName(threadInfo.tid);
for (let k = 0; k < threadInfo.libs.length; ++k) {
let lib = threadInfo.libs[k];
let libName = getLibName(lib.libId);
for (let t = 0; t < lib.functions.length; ++t) {
let func = lib.functions[t];
let key = [i, j, k, t].join('_');
let totalValue = getSampleWeight(func.g.s);
let selfValue = getSampleWeight(func.g.e);
tableStr += getTableRow([totalValue, selfValue, func.c,
processName, threadName, libName,
getFuncName(func.g.f)], 'td', {key: key});
}
}
}
}
tableStr += closeHtml('tbody') + closeHtml('table');
this.div.append(tableStr);
let table = this.div.find(`table#${tableId}`).dataTable({
lengthMenu: [10, 20, 50, 100, -1],
processing: true,
order: [0, 'desc'],
responsive: true,
});
table.find('tr').css('cursor', 'pointer');
table.on('click', 'tr', function() {
let key = this.getAttribute('key');
if (!key) {
return;
}
let indexes = key.split('_');
let processInfo = eventInfo.processes[indexes[0]];
let threadInfo = processInfo.threads[indexes[1]];
let lib = threadInfo.libs[indexes[2]];
let func = lib.functions[indexes[3]];
FunctionTab.showFunction(eventInfo, processInfo, threadInfo, lib, func);
});
}
}
// Show embedded flamegraph generated by inferno.
class FlameGraphTab {
constructor() {
}
init(div) {
this.div = div;
}
draw() {
$('div#flamegraph_id').appendTo(this.div).css('display', 'block');
flamegraphInit();
}
}
// FunctionTab: show information of a function.
// 1. Show the callgrpah and reverse callgraph of a function as flamegraphs.
// 2. Show the annotated source code of the function.
class FunctionTab {
static showFunction(eventInfo, processInfo, threadInfo, lib, func) {
let title = 'Function';
let tab = gTabs.findTab(title);
if (!tab) {
tab = gTabs.addTab(title, new FunctionTab());
}
tab.setFunction(eventInfo, processInfo, threadInfo, lib, func);
}
constructor() {
this.func = null;
this.selectPercent = 'thread';
}
init(div) {
this.div = div;
}
setFunction(eventInfo, processInfo, threadInfo, lib, func) {
this.eventInfo = eventInfo;
this.processInfo = processInfo;
this.threadInfo = threadInfo;
this.lib = lib;
this.func = func;
this.selectorView = null;
this.callgraphView = null;
this.reverseCallgraphView = null;
this.sourceCodeView = null;
this.disassemblyView = null;
this.draw();
gTabs.setActive(this);
}
draw() {
if (!this.func) {
return;
}
this.div.empty();
this._drawTitle();
this.selectorView = new FunctionSampleWeightSelectorView(this.div, this.eventInfo,
this.processInfo, this.threadInfo, () => this.onSampleWeightChange());
this.selectorView.draw();
this.div.append(getHtml('hr'));
let funcName = getFuncName(this.func.g.f);
this.div.append(getHtml('b', {text: `Functions called by ${funcName}`}) + '<br/>');
this.callgraphView = new FlameGraphView(this.div, this.func.g, false);
this.div.append(getHtml('hr'));
this.div.append(getHtml('b', {text: `Functions calling ${funcName}`}) + '<br/>');
this.reverseCallgraphView = new FlameGraphView(this.div, this.func.rg, true);
let sourceFiles = collectSourceFilesForFunction(this.func);
if (sourceFiles) {
this.div.append(getHtml('hr'));
this.div.append(getHtml('b', {text: 'SourceCode:'}) + '<br/>');
this.sourceCodeView = new SourceCodeView(this.div, sourceFiles);
}
let disassembly = collectDisassemblyForFunction(this.func);
if (disassembly) {
this.div.append(getHtml('hr'));
this.div.append(getHtml('b', {text: 'Disassembly:'}) + '<br/>');
this.disassemblyView = new DisassemblyView(this.div, disassembly);
}
this.onSampleWeightChange(); // Manually set sample weight function for the first time.
}
_drawTitle() {
let eventName = this.eventInfo.eventName;
let processName = getProcessName(this.processInfo.pid);
let threadName = getThreadName(this.threadInfo.tid);
let libName = getLibName(this.lib.libId);
let funcName = getFuncName(this.func.g.f);
// Draw a table of 'Name', 'Value'.
let rows = [];
rows.push(['Event Type', eventName]);
rows.push(['Process', processName]);
rows.push(['Thread', threadName]);
rows.push(['Library', libName]);
rows.push(['Function', getHtml('pre', {text: funcName})]);
let data = new google.visualization.DataTable();
data.addColumn('string', '');
data.addColumn('string', '');
data.addRows(rows);
for (let i = 0; i < rows.length; ++i) {
data.setProperty(i, 0, 'className', 'boldTableCell');
}
let wrapperDiv = $('<div>');
wrapperDiv.appendTo(this.div);
let table = new google.visualization.Table(wrapperDiv.get(0));
table.draw(data, {
width: '100%',
sort: 'disable',
allowHtml: true,
cssClassNames: {
'tableCell': 'tableCell',
},
});
}
onSampleWeightChange() {
let sampleWeightFunction = this.selectorView.getSampleWeightFunction();
if (this.callgraphView) {
this.callgraphView.draw(sampleWeightFunction);
}
if (this.reverseCallgraphView) {
this.reverseCallgraphView.draw(sampleWeightFunction);
}
if (this.sourceCodeView) {
this.sourceCodeView.draw(sampleWeightFunction);
}
if (this.disassemblyView) {
this.disassemblyView.draw(sampleWeightFunction);
}
}
}
// Select the way to show sample weight in FunctionTab.
// 1. Show percentage of event count relative to all processes.
// 2. Show percentage of event count relative to the current process.
// 3. Show percentage of event count relative to the current thread.
// 4. Show absolute event count.
// 5. Show event count in milliseconds, only possible for cpu-clock or task-clock events.
class FunctionSampleWeightSelectorView {
constructor(divContainer, eventInfo, processInfo, threadInfo, onSelectChange) {
this.div = $('<div>');
this.div.appendTo(divContainer);
this.onSelectChange = onSelectChange;
this.eventCountForAllProcesses = eventInfo.eventCount;
this.eventCountForProcess = processInfo.eventCount;
this.eventCountForThread = threadInfo.eventCount;
this.options = {
PERCENT_TO_ALL_PROCESSES: 0,
PERCENT_TO_CUR_PROCESS: 1,
PERCENT_TO_CUR_THREAD: 2,
RAW_EVENT_COUNT: 3,
EVENT_COUNT_IN_TIME: 4,
};
let name = eventInfo.eventName;
this.supportEventCountInTime = isClockEvent(eventInfo);
if (this.supportEventCountInTime) {
this.curOption = this.options.EVENT_COUNT_IN_TIME;
} else {
this.curOption = this.options.PERCENT_TO_CUR_THREAD;
}
}
draw() {
let options = [];
options.push('Show percentage of event count relative to all processes.');
options.push('Show percentage of event count relative to the current process.');
options.push('Show percentage of event count relative to the current thread.');
options.push('Show event count.');
if (this.supportEventCountInTime) {
options.push('Show event count in milliseconds.');
}
let optionStr = '';
for (let i = 0; i < options.length; ++i) {
optionStr += getHtml('option', {value: i, text: options[i]});
}
this.div.append(getHtml('select', {text: optionStr}));
let selectMenu = this.div.children().last();
selectMenu.children().eq(this.curOption).attr('selected', 'selected');
let thisObj = this;
selectMenu.selectmenu({
change: function() {
thisObj.curOption = this.value;
thisObj.onSelectChange();
},
width: '100%',
});
}
getSampleWeightFunction() {
let thisObj = this;
if (this.curOption == this.options.PERCENT_TO_ALL_PROCESSES) {
return function(eventCount) {
let percent = eventCount * 100.0 / thisObj.eventCountForAllProcesses;
return percent.toFixed(2) + '%';
};
}
if (this.curOption == this.options.PERCENT_TO_CUR_PROCESS) {
return function(eventCount) {
let percent = eventCount * 100.0 / thisObj.eventCountForProcess;
return percent.toFixed(2) + '%';
};
}
if (this.curOption == this.options.PERCENT_TO_CUR_THREAD) {
return function(eventCount) {
let percent = eventCount * 100.0 / thisObj.eventCountForThread;
return percent.toFixed(2) + '%';
};
}
if (this.curOption == this.options.RAW_EVENT_COUNT) {
return function(eventCount) {
return '' + eventCount;
};
}
if (this.curOption == this.options.EVENT_COUNT_IN_TIME) {
return function(eventCount) {
let timeInMs = eventCount / 1000000.0;
return timeInMs.toFixed(3) + ' ms';
};
}
}
}
// Given a callgraph, show the flamegraph.
class FlameGraphView {
// If reverseOrder is false, the root of the flamegraph is at the bottom,
// otherwise it is at the top.
constructor(divContainer, callgraph, reverseOrder) {
this.id = divContainer.children().length;
this.div = $('<div>', {id: 'fg_' + this.id});
this.div.appendTo(divContainer);
this.callgraph = callgraph;
this.reverseOrder = reverseOrder;
this.sampleWeightFunction = null;
this.svgWidth = $(window).width();
this.svgNodeHeight = 17;
this.fontSize = 12;
function getMaxDepth(node) {
let depth = 0;
for (let child of node.c) {
depth = Math.max(depth, getMaxDepth(child));
}
return depth + 1;
}
this.maxDepth = getMaxDepth(this.callgraph);
this.svgHeight = this.svgNodeHeight * (this.maxDepth + 3);
}
draw(sampleWeightFunction) {
this.sampleWeightFunction = sampleWeightFunction;
this.div.empty();
this.div.css('width', '100%').css('height', this.svgHeight + 'px');
let svgStr = '<svg xmlns="http://www.w3.org/2000/svg" \
xmlns:xlink="http://www.w3.org/1999/xlink" version="1.1" \
width="100%" height="100%" style="border: 1px solid black; font-family: Monospace;"> \
</svg>';
this.div.append(svgStr);
this.svg = this.div.find('svg');
this._renderBackground();
this._renderSvgNodes(this.callgraph, 0, 0);
this._renderUnzoomNode();
this._renderInfoNode();
this._renderPercentNode();
// Make the added nodes in the svg visible.
this.div.html(this.div.html());
this.svg = this.div.find('svg');
this._adjustTextSize();
this._enableZoom();
this._enableInfo();
this._adjustTextSizeOnResize();
}
_renderBackground() {
this.svg.append(`<defs > <linearGradient id="background_gradient_${this.id}"
y1="0" y2="1" x1="0" x2="0" > \
<stop stop-color="#eeeeee" offset="5%" /> \
<stop stop-color="#efefb1" offset="90%" /> \
</linearGradient> \
</defs> \
<rect x="0" y="0" width="100%" height="100%" \
fill="url(#background_gradient_${this.id})" />`);
}
_getYForDepth(depth) {
if (this.reverseOrder) {
return (depth + 3) * this.svgNodeHeight;
}
return this.svgHeight - (depth + 1) * this.svgNodeHeight;
}
_getWidthPercentage(eventCount) {
return eventCount * 100.0 / this.callgraph.s;
}
_getHeatColor(widthPercentage) {
return {
r: Math.floor(245 + 10 * (1 - widthPercentage * 0.01)),
g: Math.floor(110 + 105 * (1 - widthPercentage * 0.01)),
b: 100,
};
}
_renderSvgNodes(callNode, depth, xOffset) {
let x = xOffset;
let y = this._getYForDepth(depth);
let width = this._getWidthPercentage(callNode.s);
if (width < 0.1) {
return xOffset;
}
let color = this._getHeatColor(width);
let borderColor = {};
for (let key in color) {
borderColor[key] = Math.max(0, color[key] - 50);
}
let funcName = getFuncName(callNode.f);
let libName = getLibNameOfFunction(callNode.f);
let sampleWeight = this.sampleWeightFunction(callNode.s);
let title = funcName + ' | ' + libName + ' (' + callNode.s + ' events: ' +
sampleWeight + ')';
this.svg.append(`<g> <title>${title}</title> <rect x="${x}%" y="${y}" ox="${x}" \
depth="${depth}" width="${width}%" owidth="${width}" height="15.0" \
ofill="rgb(${color.r},${color.g},${color.b})" \
fill="rgb(${color.r},${color.g},${color.b})" \
style="stroke:rgb(${borderColor.r},${borderColor.g},${borderColor.b})"/> \
<text x="${x}%" y="${y + 12}" font-size="${this.fontSize}" \
font-family="Monospace"></text></g>`);
let childXOffset = xOffset;
for (let child of callNode.c) {
childXOffset = this._renderSvgNodes(child, depth + 1, childXOffset);
}
return xOffset + width;
}
_renderUnzoomNode() {
this.svg.append(`<rect id="zoom_rect_${this.id}" style="display:none;stroke:rgb(0,0,0);" \
rx="10" ry="10" x="10" y="10" width="80" height="30" \
fill="rgb(255,255,255)"/> \
<text id="zoom_text_${this.id}" x="19" y="30" style="display:none">Zoom out</text>`);
}
_renderInfoNode() {
this.svg.append(`<clipPath id="info_clip_path_${this.id}"> \
<rect style="stroke:rgb(0,0,0);" rx="10" ry="10" x="120" y="10" \
width="789" height="30" fill="rgb(255,255,255)"/> \
</clipPath> \
<rect style="stroke:rgb(0,0,0);" rx="10" ry="10" x="120" y="10" \
width="799" height="30" fill="rgb(255,255,255)"/> \
<text clip-path="url(#info_clip_path_${this.id})" \
id="info_text_${this.id}" x="128" y="30"></text>`);
}
_renderPercentNode() {
this.svg.append(`<rect style="stroke:rgb(0,0,0);" rx="10" ry="10" \
x="934" y="10" width="150" height="30" \
fill="rgb(255,255,255)"/> \
<text id="percent_text_${this.id}" text-anchor="end" \
x="1074" y="30"></text>`);
}
_adjustTextSizeForNode(g) {
let text = g.find('text');
let width = parseFloat(g.find('rect').attr('width')) * this.svgWidth * 0.01;
if (width < 28) {
text.text('');
return;
}
let methodName = g.find('title').text().split(' | ')[0];
let numCharacters;
for (numCharacters = methodName.length; numCharacters > 4; numCharacters--) {
if (numCharacters * 7.5 <= width) {
break;
}
}
if (numCharacters == methodName.length) {
text.text(methodName);
} else {
text.text(methodName.substring(0, numCharacters - 2) + '..');
}
}
_adjustTextSize() {
this.svgWidth = $(window).width();
let thisObj = this;
this.svg.find('g').each(function(_, g) {
thisObj._adjustTextSizeForNode($(g));
});
}
_enableZoom() {
this.zoomStack = [this.svg.find('g').first().get(0)];
this.svg.find('g').css('cursor', 'pointer').click(zoom);
this.svg.find(`#zoom_rect_${this.id}`).css('cursor', 'pointer').click(unzoom);
this.svg.find(`#zoom_text_${this.id}`).css('cursor', 'pointer').click(unzoom);
let thisObj = this;
function zoom() {
thisObj.zoomStack.push(this);
displayFromElement(this);
thisObj.svg.find(`#zoom_rect_${thisObj.id}`).css('display', 'block');
thisObj.svg.find(`#zoom_text_${thisObj.id}`).css('display', 'block');
}
function unzoom() {
if (thisObj.zoomStack.length > 1) {
thisObj.zoomStack.pop();
displayFromElement(thisObj.zoomStack[thisObj.zoomStack.length - 1]);
if (thisObj.zoomStack.length == 1) {
thisObj.svg.find(`#zoom_rect_${thisObj.id}`).css('display', 'none');
thisObj.svg.find(`#zoom_text_${thisObj.id}`).css('display', 'none');
}
}
}
function displayFromElement(g) {
g = $(g);
let clickedRect = g.find('rect');
let clickedOriginX = parseFloat(clickedRect.attr('ox'));
let clickedDepth = parseInt(clickedRect.attr('depth'));
let clickedOriginWidth = parseFloat(clickedRect.attr('owidth'));
let scaleFactor = 100.0 / clickedOriginWidth;
thisObj.svg.find('g').each(function(_, g) {
g = $(g);
let text = g.find('text');
let rect = g.find('rect');
let depth = parseInt(rect.attr('depth'));
let ox = parseFloat(rect.attr('ox'));
let owidth = parseFloat(rect.attr('owidth'));
if (depth < clickedDepth || ox < clickedOriginX - 1e-9 ||
ox + owidth > clickedOriginX + clickedOriginWidth + 1e-9) {
rect.css('display', 'none');
text.css('display', 'none');
} else {
rect.css('display', 'block');
text.css('display', 'block');
let nx = (ox - clickedOriginX) * scaleFactor + '%';
let ny = thisObj._getYForDepth(depth - clickedDepth);
rect.attr('x', nx);
rect.attr('y', ny);
rect.attr('width', owidth * scaleFactor + '%');
text.attr('x', nx);
text.attr('y', ny + 12);
thisObj._adjustTextSizeForNode(g);
}
});
}
}
_enableInfo() {
this.selected = null;
let thisObj = this;
this.svg.find('g').on('mouseenter', function() {
if (thisObj.selected) {
thisObj.selected.css('stroke-width', '0');
}
// Mark current node.
let g = $(this);
thisObj.selected = g;
g.css('stroke', 'black').css('stroke-width', '0.5');
// Parse title.
let title = g.find('title').text();
let methodAndInfo = title.split(' | ');
thisObj.svg.find(`#info_text_${thisObj.id}`).text(methodAndInfo[0]);
// Parse percentage.
// '/system/lib64/libhwbinder.so (4 events: 0.28%)'
let regexp = /.* \(.*:\s+(.*)\)/g;
let match = regexp.exec(methodAndInfo[1]);
let percentage = '';
if (match && match.length > 1) {
percentage = match[1];
}
thisObj.svg.find(`#percent_text_${thisObj.id}`).text(percentage);
});
}
_adjustTextSizeOnResize() {
function throttle(callback) {
let running = false;
return function() {
if (!running) {
running = true;
window.requestAnimationFrame(function () {
callback();
running = false;
});
}
};
}
$(window).resize(throttle(() => this._adjustTextSize()));
}
}
class SourceFile {
constructor(fileId) {
this.path = getSourceFilePath(fileId);
this.code = getSourceCode(fileId);
this.showLines = {}; // map from line number to {eventCount, subtreeEventCount}.
this.hasCount = false;
}
addLineRange(startLine, endLine) {
for (let i = startLine; i <= endLine; ++i) {
if (i in this.showLines || !(i in this.code)) {
continue;
}
this.showLines[i] = {eventCount: 0, subtreeEventCount: 0};
}
}
addLineCount(lineNumber, eventCount, subtreeEventCount) {
let line = this.showLines[lineNumber];
if (line) {
line.eventCount += eventCount;
line.subtreeEventCount += subtreeEventCount;
this.hasCount = true;
}
}
}
// Return a list of SourceFile related to a function.
function collectSourceFilesForFunction(func) {
if (!func.hasOwnProperty('s')) {
return null;
}
let hitLines = func.s;
let sourceFiles = {}; // map from sourceFileId to SourceFile.
function getFile(fileId) {
let file = sourceFiles[fileId];
if (!file) {
file = sourceFiles[fileId] = new SourceFile(fileId);
}
return file;
}
// Show lines for the function.
let funcRange = getFuncSourceRange(func.g.f);
if (funcRange) {
let file = getFile(funcRange.fileId);
file.addLineRange(funcRange.startLine);
}
// Show lines for hitLines.
for (let hitLine of hitLines) {
let file = getFile(hitLine.f);
file.addLineRange(hitLine.l - 5, hitLine.l + 5);
file.addLineCount(hitLine.l, hitLine.e, hitLine.s);
}
let result = [];
// Show the source file containing the function before other source files.
if (funcRange) {
let file = getFile(funcRange.fileId);
if (file.hasCount) {
result.push(file);
}
delete sourceFiles[funcRange.fileId];
}
for (let fileId in sourceFiles) {
let file = sourceFiles[fileId];
if (file.hasCount) {
result.push(file);
}
}
return result.length > 0 ? result : null;
}
// Show annotated source code of a function.
class SourceCodeView {
constructor(divContainer, sourceFiles) {
this.div = $('<div>');
this.div.appendTo(divContainer);
this.sourceFiles = sourceFiles;
}
draw(sampleWeightFunction) {
google.charts.setOnLoadCallback(() => this.realDraw(sampleWeightFunction));
}
realDraw(sampleWeightFunction) {
this.div.empty();
// For each file, draw a table of 'Line', 'Total', 'Self', 'Code'.
for (let sourceFile of this.sourceFiles) {
let rows = [];
let lineNumbers = Object.keys(sourceFile.showLines);
lineNumbers.sort((a, b) => a - b);
for (let lineNumber of lineNumbers) {
let code = getHtml('pre', {text: sourceFile.code[lineNumber]});
let countInfo = sourceFile.showLines[lineNumber];
let totalValue = '';
let selfValue = '';
if (countInfo.subtreeEventCount != 0) {
totalValue = sampleWeightFunction(countInfo.subtreeEventCount);
selfValue = sampleWeightFunction(countInfo.eventCount);
}
rows.push([lineNumber, totalValue, selfValue, code]);
}
let data = new google.visualization.DataTable();
data.addColumn('string', 'Line');
data.addColumn('string', 'Total');
data.addColumn('string', 'Self');
data.addColumn('string', 'Code');
data.addRows(rows);
for (let i = 0; i < rows.length; ++i) {
data.setProperty(i, 0, 'className', 'colForLine');
for (let j = 1; j <= 2; ++j) {
data.setProperty(i, j, 'className', 'colForCount');
}
}
this.div.append(getHtml('pre', {text: sourceFile.path}));
let wrapperDiv = $('<div>');
wrapperDiv.appendTo(this.div);
let table = new google.visualization.Table(wrapperDiv.get(0));
table.draw(data, {
width: '100%',
sort: 'disable',
frozenColumns: 3,
allowHtml: true,
});
}
}
}
// Return a list of disassembly related to a function.
function collectDisassemblyForFunction(func) {
if (!func.hasOwnProperty('a')) {
return null;
}
let hitAddrs = func.a;
let rawCode = getFuncDisassembly(func.g.f);
if (!rawCode) {
return null;
}
// Annotate disassembly with event count information.
let annotatedCode = [];
let codeForLastAddr = null;
let hitAddrPos = 0;
let hasCount = false;
function addEventCount(addr) {
while (hitAddrPos < hitAddrs.length && hitAddrs[hitAddrPos].a < addr) {
if (codeForLastAddr) {
codeForLastAddr.eventCount += hitAddrs[hitAddrPos].e;
codeForLastAddr.subtreeEventCount += hitAddrs[hitAddrPos].s;
hasCount = true;
}
hitAddrPos++;
}
}
for (let line of rawCode) {
let code = line[0];
let addr = line[1];
addEventCount(addr);
let item = {code: code, eventCount: 0, subtreeEventCount: 0};
annotatedCode.push(item);
// Objdump sets addr to 0 when a disassembly line is not associated with an addr.
if (addr != 0) {
codeForLastAddr = item;
}
}
addEventCount(Number.MAX_VALUE);
return hasCount ? annotatedCode : null;
}
// Show annotated disassembly of a function.
class DisassemblyView {
constructor(divContainer, disassembly) {
this.div = $('<div>');
this.div.appendTo(divContainer);
this.disassembly = disassembly;
}
draw(sampleWeightFunction) {
google.charts.setOnLoadCallback(() => this.realDraw(sampleWeightFunction));
}
realDraw(sampleWeightFunction) {
this.div.empty();
// Draw a table of 'Total', 'Self', 'Code'.
let rows = [];
for (let line of this.disassembly) {
let code = getHtml('pre', {text: line.code});
let totalValue = '';
let selfValue = '';
if (line.subtreeEventCount != 0) {
totalValue = sampleWeightFunction(line.subtreeEventCount);
selfValue = sampleWeightFunction(line.eventCount);
}
rows.push([totalValue, selfValue, code]);
}
let data = new google.visualization.DataTable();
data.addColumn('string', 'Total');
data.addColumn('string', 'Self');
data.addColumn('string', 'Code');
data.addRows(rows);
for (let i = 0; i < rows.length; ++i) {
for (let j = 0; j < 2; ++j) {
data.setProperty(i, j, 'className', 'colForCount');
}
}
let wrapperDiv = $('<div>');
wrapperDiv.appendTo(this.div);
let table = new google.visualization.Table(wrapperDiv.get(0));
table.draw(data, {
width: '100%',
sort: 'disable',
frozenColumns: 2,
allowHtml: true,
});
}
}
function initGlobalObjects() {
gTabs = new TabManager($('div#report_content'));
let recordData = $('#record_data').text();
gRecordInfo = JSON.parse(recordData);
gProcesses = gRecordInfo.processNames;
gThreads = gRecordInfo.threadNames;
gLibList = gRecordInfo.libList;
gFunctionMap = gRecordInfo.functionMap;
gSampleInfo = gRecordInfo.sampleInfo;
gSourceFiles = gRecordInfo.sourceFiles;
}
function createTabs() {
gTabs.addTab('Chart Statistics', new ChartStatTab());
gTabs.addTab('Sample Table', new SampleTableTab());
gTabs.addTab('Flamegraph', new FlameGraphTab());
gTabs.draw();
}
let gTabs;
let gRecordInfo;
let gProcesses;
let gThreads;
let gLibList;
let gFunctionMap;
let gSampleInfo;
let gSourceFiles;
initGlobalObjects();
createTabs();
});