зеркало из https://github.com/mozilla/gecko-dev.git
1072 строки
34 KiB
JavaScript
1072 строки
34 KiB
JavaScript
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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'use strict';
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const Ci = Components.interfaces;
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const Cc = Components.classes;
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const Cu = Components.utils;
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Cu.import("resource://gre/modules/Services.jsm");
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Cu.import("resource://gre/modules/TelemetryTimestamps.jsm");
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Cu.import("resource://gre/modules/TelemetryPing.jsm");
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const Telemetry = Services.telemetry;
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const bundle = Services.strings.createBundle(
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"chrome://global/locale/aboutTelemetry.properties");
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const brandBundle = Services.strings.createBundle(
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"chrome://branding/locale/brand.properties");
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// Maximum height of a histogram bar (in em for html, in chars for text)
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const MAX_BAR_HEIGHT = 18;
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const MAX_BAR_CHARS = 25;
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const PREF_TELEMETRY_SERVER_OWNER = "toolkit.telemetry.server_owner";
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const PREF_TELEMETRY_ENABLED = "toolkit.telemetry.enabled";
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const PREF_DEBUG_SLOW_SQL = "toolkit.telemetry.debugSlowSql";
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const PREF_SYMBOL_SERVER_URI = "profiler.symbolicationUrl";
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const DEFAULT_SYMBOL_SERVER_URI = "http://symbolapi.mozilla.org";
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// ms idle before applying the filter (allow uninterrupted typing)
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const FILTER_IDLE_TIMEOUT = 500;
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#ifdef XP_WIN
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const EOL = "\r\n";
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#else
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const EOL = "\n";
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#endif
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// Cached value of document's RTL mode
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let documentRTLMode = "";
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/**
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* Helper function for fetching a config pref
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*
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* @param aPrefName Name of config pref to fetch.
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* @param aDefault Default value to return if pref isn't set.
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* @return Value of pref
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*/
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function getPref(aPrefName, aDefault) {
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let result = aDefault;
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try {
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let prefType = Services.prefs.getPrefType(aPrefName);
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if (prefType == Ci.nsIPrefBranch.PREF_BOOL) {
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result = Services.prefs.getBoolPref(aPrefName);
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} else if (prefType == Ci.nsIPrefBranch.PREF_STRING) {
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result = Services.prefs.getCharPref(aPrefName);
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}
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} catch (e) {
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// Return default if Prefs service throws exception
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}
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return result;
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}
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/**
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* Helper function for determining whether the document direction is RTL.
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* Caches result of check on first invocation.
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*/
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function isRTL() {
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if (!documentRTLMode)
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documentRTLMode = window.getComputedStyle(document.body).direction;
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return (documentRTLMode == "rtl");
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}
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let observer = {
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enableTelemetry: bundle.GetStringFromName("enableTelemetry"),
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disableTelemetry: bundle.GetStringFromName("disableTelemetry"),
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/**
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* Observer is called whenever Telemetry is enabled or disabled
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*/
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observe: function observe(aSubject, aTopic, aData) {
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if (aData == PREF_TELEMETRY_ENABLED) {
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this.updatePrefStatus();
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}
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},
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/**
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* Updates the button & text at the top of the page to reflect Telemetry state.
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*/
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updatePrefStatus: function updatePrefStatus() {
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// Notify user whether Telemetry is enabled
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let enabledElement = document.getElementById("description-enabled");
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let disabledElement = document.getElementById("description-disabled");
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let toggleElement = document.getElementById("toggle-telemetry");
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if (getPref(PREF_TELEMETRY_ENABLED, false)) {
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enabledElement.classList.remove("hidden");
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disabledElement.classList.add("hidden");
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toggleElement.innerHTML = this.disableTelemetry;
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} else {
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enabledElement.classList.add("hidden");
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disabledElement.classList.remove("hidden");
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toggleElement.innerHTML = this.enableTelemetry;
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}
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}
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};
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let SlowSQL = {
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slowSqlHits: bundle.GetStringFromName("slowSqlHits"),
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slowSqlAverage: bundle.GetStringFromName("slowSqlAverage"),
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slowSqlStatement: bundle.GetStringFromName("slowSqlStatement"),
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mainThreadTitle: bundle.GetStringFromName("slowSqlMain"),
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otherThreadTitle: bundle.GetStringFromName("slowSqlOther"),
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/**
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* Render slow SQL statistics
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*/
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render: function SlowSQL_render() {
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let debugSlowSql = getPref(PREF_DEBUG_SLOW_SQL, false);
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let {mainThread, otherThreads} =
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Telemetry[debugSlowSql ? "debugSlowSQL" : "slowSQL"];
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let mainThreadCount = Object.keys(mainThread).length;
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let otherThreadCount = Object.keys(otherThreads).length;
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if (mainThreadCount == 0 && otherThreadCount == 0) {
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return;
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}
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setHasData("slow-sql-section", true);
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if (debugSlowSql) {
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document.getElementById("sql-warning").classList.remove("hidden");
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}
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let slowSqlDiv = document.getElementById("slow-sql-tables");
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// Main thread
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if (mainThreadCount > 0) {
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let table = document.createElement("table");
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this.renderTableHeader(table, this.mainThreadTitle);
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this.renderTable(table, mainThread);
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slowSqlDiv.appendChild(table);
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slowSqlDiv.appendChild(document.createElement("hr"));
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}
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// Other threads
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if (otherThreadCount > 0) {
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let table = document.createElement("table");
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this.renderTableHeader(table, this.otherThreadTitle);
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this.renderTable(table, otherThreads);
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slowSqlDiv.appendChild(table);
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slowSqlDiv.appendChild(document.createElement("hr"));
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}
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},
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/**
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* Creates a header row for a Slow SQL table
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* Tabs & newlines added to cells to make it easier to copy-paste.
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*
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* @param aTable Parent table element
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* @param aTitle Table's title
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*/
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renderTableHeader: function SlowSQL_renderTableHeader(aTable, aTitle) {
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let caption = document.createElement("caption");
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caption.appendChild(document.createTextNode(aTitle + "\n"));
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aTable.appendChild(caption);
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let headings = document.createElement("tr");
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this.appendColumn(headings, "th", this.slowSqlHits + "\t");
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this.appendColumn(headings, "th", this.slowSqlAverage + "\t");
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this.appendColumn(headings, "th", this.slowSqlStatement + "\n");
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aTable.appendChild(headings);
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},
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/**
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* Fills out the table body
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* Tabs & newlines added to cells to make it easier to copy-paste.
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*
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* @param aTable Parent table element
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* @param aSql SQL stats object
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*/
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renderTable: function SlowSQL_renderTable(aTable, aSql) {
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for (let [sql, [hitCount, totalTime]] of Iterator(aSql)) {
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let averageTime = totalTime / hitCount;
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let sqlRow = document.createElement("tr");
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this.appendColumn(sqlRow, "td", hitCount + "\t");
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this.appendColumn(sqlRow, "td", averageTime.toFixed(0) + "\t");
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this.appendColumn(sqlRow, "td", sql + "\n");
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aTable.appendChild(sqlRow);
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}
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},
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/**
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* Helper function for appending a column to a Slow SQL table.
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*
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* @param aRowElement Parent row element
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* @param aColType Column's tag name
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* @param aColText Column contents
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*/
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appendColumn: function SlowSQL_appendColumn(aRowElement, aColType, aColText) {
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let colElement = document.createElement(aColType);
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let colTextElement = document.createTextNode(aColText);
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colElement.appendChild(colTextElement);
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aRowElement.appendChild(colElement);
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}
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};
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/**
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* Removes child elements from the supplied div
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*
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* @param aDiv Element to be cleared
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*/
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function clearDivData(aDiv) {
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while (aDiv.hasChildNodes()) {
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aDiv.removeChild(aDiv.lastChild);
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}
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};
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let StackRenderer = {
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stackTitle: bundle.GetStringFromName("stackTitle"),
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memoryMapTitle: bundle.GetStringFromName("memoryMapTitle"),
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/**
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* Outputs the memory map associated with this hang report
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*
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* @param aDiv Output div
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*/
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renderMemoryMap: function StackRenderer_renderMemoryMap(aDiv, memoryMap) {
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aDiv.appendChild(document.createTextNode(this.memoryMapTitle));
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aDiv.appendChild(document.createElement("br"));
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for (let currentModule of memoryMap) {
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aDiv.appendChild(document.createTextNode(currentModule.join(" ")));
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aDiv.appendChild(document.createElement("br"));
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}
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aDiv.appendChild(document.createElement("br"));
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},
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/**
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* Outputs the raw PCs from the hang's stack
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*
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* @param aDiv Output div
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* @param aStack Array of PCs from the hang stack
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*/
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renderStack: function StackRenderer_renderStack(aDiv, aStack) {
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aDiv.appendChild(document.createTextNode(this.stackTitle));
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let stackText = " " + aStack.join(" ");
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aDiv.appendChild(document.createTextNode(stackText));
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aDiv.appendChild(document.createElement("br"));
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aDiv.appendChild(document.createElement("br"));
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},
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renderStacks: function StackRenderer_renderStacks(aPrefix, aStacks,
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aMemoryMap, aRenderHeader) {
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let div = document.getElementById(aPrefix + '-data');
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clearDivData(div);
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let fetchE = document.getElementById(aPrefix + '-fetch-symbols');
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if (fetchE) {
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fetchE.classList.remove("hidden");
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}
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let hideE = document.getElementById(aPrefix + '-hide-symbols');
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if (hideE) {
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hideE.classList.add("hidden");
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}
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if (aStacks.length == 0) {
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return;
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}
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setHasData(aPrefix + '-section', true);
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this.renderMemoryMap(div, aMemoryMap);
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for (let i = 0; i < aStacks.length; ++i) {
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let stack = aStacks[i];
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aRenderHeader(i);
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this.renderStack(div, stack)
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}
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},
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/**
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* Renders the title of the stack: e.g. "Late Write #1" or
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* "Hang Report #1 (6 seconds)".
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*
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* @param aFormatArgs formating args to be passed to formatStringFromName.
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*/
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renderHeader: function StackRenderer_renderHeader(aPrefix, aFormatArgs) {
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let div = document.getElementById(aPrefix + "-data");
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let titleElement = document.createElement("span");
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titleElement.className = "stack-title";
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let titleText = bundle.formatStringFromName(
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aPrefix + "-title", aFormatArgs, aFormatArgs.length);
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titleElement.appendChild(document.createTextNode(titleText));
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div.appendChild(titleElement);
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div.appendChild(document.createElement("br"));
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}
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};
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function SymbolicationRequest(aPrefix, aRenderHeader, aMemoryMap, aStacks) {
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this.prefix = aPrefix;
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this.renderHeader = aRenderHeader;
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this.memoryMap = aMemoryMap;
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this.stacks = aStacks;
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}
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/**
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* A callback for onreadystatechange. It replaces the numeric stack with
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* the symbolicated one returned by the symbolication server.
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*/
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SymbolicationRequest.prototype.handleSymbolResponse =
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function SymbolicationRequest_handleSymbolResponse() {
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if (this.symbolRequest.readyState != 4)
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return;
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let fetchElement = document.getElementById(this.prefix + "-fetch-symbols");
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fetchElement.classList.add("hidden");
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let hideElement = document.getElementById(this.prefix + "-hide-symbols");
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hideElement.classList.remove("hidden");
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let div = document.getElementById(this.prefix + "-data");
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clearDivData(div);
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let errorMessage = bundle.GetStringFromName("errorFetchingSymbols");
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if (this.symbolRequest.status != 200) {
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div.appendChild(document.createTextNode(errorMessage));
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return;
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}
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let jsonResponse = {};
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try {
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jsonResponse = JSON.parse(this.symbolRequest.responseText);
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} catch (e) {
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div.appendChild(document.createTextNode(errorMessage));
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return;
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}
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for (let i = 0; i < jsonResponse.length; ++i) {
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let stack = jsonResponse[i];
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this.renderHeader(i);
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for (let symbol of stack) {
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div.appendChild(document.createTextNode(symbol));
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div.appendChild(document.createElement("br"));
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}
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div.appendChild(document.createElement("br"));
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}
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};
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/**
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* Send a request to the symbolication server to symbolicate this stack.
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*/
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SymbolicationRequest.prototype.fetchSymbols =
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function SymbolicationRequest_fetchSymbols() {
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let symbolServerURI =
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getPref(PREF_SYMBOL_SERVER_URI, DEFAULT_SYMBOL_SERVER_URI);
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let request = {"memoryMap" : this.memoryMap, "stacks" : this.stacks,
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"version" : 3};
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let requestJSON = JSON.stringify(request);
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this.symbolRequest = new XMLHttpRequest();
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this.symbolRequest.open("POST", symbolServerURI, true);
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this.symbolRequest.setRequestHeader("Content-type", "application/json");
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this.symbolRequest.setRequestHeader("Content-length",
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requestJSON.length);
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this.symbolRequest.setRequestHeader("Connection", "close");
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this.symbolRequest.onreadystatechange = this.handleSymbolResponse.bind(this);
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this.symbolRequest.send(requestJSON);
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}
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let ChromeHangs = {
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symbolRequest: null,
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/**
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* Renders raw chrome hang data
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*/
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render: function ChromeHangs_render() {
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let hangs = Telemetry.chromeHangs;
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let stacks = hangs.stacks;
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let memoryMap = hangs.memoryMap;
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StackRenderer.renderStacks("chrome-hangs", stacks, memoryMap,
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this.renderHangHeader);
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},
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renderHangHeader: function ChromeHangs_renderHangHeader(aIndex) {
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let durations = Telemetry.chromeHangs.durations;
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StackRenderer.renderHeader("chrome-hangs", [aIndex + 1, durations[aIndex]]);
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}
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};
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let ThreadHangStats = {
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/**
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* Renders raw thread hang stats data
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*/
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render: function() {
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let div = document.getElementById("thread-hang-stats");
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clearDivData(div);
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let stats = Telemetry.threadHangStats;
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stats.forEach((thread) => {
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div.appendChild(this.renderThread(thread));
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});
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if (stats.length) {
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setHasData("thread-hang-stats-section", true);
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}
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},
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/**
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* Creates and fills data corresponding to a thread
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*/
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renderThread: function(aThread) {
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let div = document.createElement("div");
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let title = document.createElement("h2");
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title.textContent = aThread.name;
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div.appendChild(title);
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// Don't localize the histogram name, because the
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// name is also used as the div element's ID
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Histogram.render(div, aThread.name + "-Activity",
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aThread.activity, {exponential: true});
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aThread.hangs.forEach((hang, index) => {
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let hangName = aThread.name + "-Hang-" + (index + 1);
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let hangDiv = Histogram.render(
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div, hangName, hang.histogram, {exponential: true});
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let stackDiv = document.createElement("div");
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hang.stack.forEach((frame) => {
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stackDiv.appendChild(document.createTextNode(frame));
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// Leave an extra <br> at the end of the stack listing
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stackDiv.appendChild(document.createElement("br"));
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});
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// Insert stack after the histogram title
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hangDiv.insertBefore(stackDiv, hangDiv.childNodes[1]);
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});
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return div;
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},
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};
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let Histogram = {
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hgramSamplesCaption: bundle.GetStringFromName("histogramSamples"),
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hgramAverageCaption: bundle.GetStringFromName("histogramAverage"),
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hgramSumCaption: bundle.GetStringFromName("histogramSum"),
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hgramCopyCaption: bundle.GetStringFromName("histogramCopy"),
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/**
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* Renders a single Telemetry histogram
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*
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* @param aParent Parent element
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* @param aName Histogram name
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* @param aHgram Histogram information
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* @param aOptions Object with render options
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* * exponential: bars follow logarithmic scale
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*/
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render: function Histogram_render(aParent, aName, aHgram, aOptions) {
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let hgram = this.unpack(aHgram);
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let options = aOptions || {};
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let outerDiv = document.createElement("div");
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outerDiv.className = "histogram";
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outerDiv.id = aName;
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let divTitle = document.createElement("div");
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divTitle.className = "histogram-title";
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divTitle.appendChild(document.createTextNode(aName));
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outerDiv.appendChild(divTitle);
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let stats = hgram.sample_count + " " + this.hgramSamplesCaption + ", " +
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this.hgramAverageCaption + " = " + hgram.pretty_average + ", " +
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this.hgramSumCaption + " = " + hgram.sum;
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let divStats = document.createElement("div");
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divStats.appendChild(document.createTextNode(stats));
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outerDiv.appendChild(divStats);
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if (isRTL())
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hgram.values.reverse();
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let textData = this.renderValues(outerDiv, hgram.values, hgram.max,
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hgram.sample_count, options);
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// The 'Copy' button contains the textual data, copied to clipboard on click
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let copyButton = document.createElement("button");
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copyButton.className = "copy-node";
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copyButton.appendChild(document.createTextNode(this.hgramCopyCaption));
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copyButton.histogramText = aName + EOL + stats + EOL + EOL + textData;
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copyButton.addEventListener("click", function(){
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Cc["@mozilla.org/widget/clipboardhelper;1"].getService(Ci.nsIClipboardHelper)
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.copyString(this.histogramText);
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});
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outerDiv.appendChild(copyButton);
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aParent.appendChild(outerDiv);
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return outerDiv;
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},
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/**
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* Unpacks histogram values
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*
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* @param aHgram Packed histogram
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*
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* @return Unpacked histogram representation
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*/
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unpack: function Histogram_unpack(aHgram) {
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let sample_count = aHgram.counts.reduceRight(function (a, b) a + b);
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let buckets = [0, 1];
|
|
if (aHgram.histogram_type != Telemetry.HISTOGRAM_BOOLEAN) {
|
|
buckets = aHgram.ranges;
|
|
}
|
|
|
|
let average = Math.round(aHgram.sum * 10 / sample_count) / 10;
|
|
let max_value = Math.max.apply(Math, aHgram.counts);
|
|
|
|
let first = true;
|
|
let last = 0;
|
|
let values = [];
|
|
for (let i = 0; i < buckets.length; i++) {
|
|
let count = aHgram.counts[i];
|
|
if (!count)
|
|
continue;
|
|
if (first) {
|
|
first = false;
|
|
if (i) {
|
|
values.push([buckets[i - 1], 0]);
|
|
}
|
|
}
|
|
last = i + 1;
|
|
values.push([buckets[i], count]);
|
|
}
|
|
if (last && last < buckets.length) {
|
|
values.push([buckets[last], 0]);
|
|
}
|
|
|
|
let result = {
|
|
values: values,
|
|
pretty_average: average,
|
|
max: max_value,
|
|
sample_count: sample_count,
|
|
sum: aHgram.sum
|
|
};
|
|
|
|
return result;
|
|
},
|
|
|
|
/**
|
|
* Return a non-negative, logarithmic representation of a non-negative number.
|
|
* e.g. 0 => 0, 1 => 1, 10 => 2, 100 => 3
|
|
*
|
|
* @param aNumber Non-negative number
|
|
*/
|
|
getLogValue: function(aNumber) {
|
|
return Math.max(0, Math.log10(aNumber) + 1);
|
|
},
|
|
|
|
/**
|
|
* Create histogram HTML bars, also returns a textual representation
|
|
* Both aMaxValue and aSumValues must be positive.
|
|
* Values are assumed to use 0 as baseline.
|
|
*
|
|
* @param aDiv Outer parent div
|
|
* @param aValues Histogram values
|
|
* @param aMaxValue Value of the longest bar (length, not label)
|
|
* @param aSumValues Sum of all bar values
|
|
* @param aOptions Object with render options (@see #render)
|
|
*/
|
|
renderValues: function Histogram_renderValues(aDiv, aValues, aMaxValue, aSumValues, aOptions) {
|
|
let text = "";
|
|
// If the last label is not the longest string, alignment will break a little
|
|
let labelPadTo = String(aValues[aValues.length -1][0]).length;
|
|
let maxBarValue = aOptions.exponential ? this.getLogValue(aMaxValue) : aMaxValue;
|
|
|
|
for (let [label, value] of aValues) {
|
|
let barValue = aOptions.exponential ? this.getLogValue(value) : value;
|
|
|
|
// Create a text representation: <right-aligned-label> |<bar-of-#><value> <percentage>
|
|
text += EOL
|
|
+ " ".repeat(Math.max(0, labelPadTo - String(label).length)) + label // Right-aligned label
|
|
+ " |" + "#".repeat(Math.round(MAX_BAR_CHARS * barValue / maxBarValue)) // Bar
|
|
+ " " + value // Value
|
|
+ " " + Math.round(100 * value / aSumValues) + "%"; // Percentage
|
|
|
|
// Construct the HTML labels + bars
|
|
let belowEm = Math.round(MAX_BAR_HEIGHT * (barValue / maxBarValue) * 10) / 10;
|
|
let aboveEm = MAX_BAR_HEIGHT - belowEm;
|
|
|
|
let barDiv = document.createElement("div");
|
|
barDiv.className = "bar";
|
|
barDiv.style.paddingTop = aboveEm + "em";
|
|
|
|
// Add value label or an nbsp if no value
|
|
barDiv.appendChild(document.createTextNode(value ? value : '\u00A0'));
|
|
|
|
// Create the blue bar
|
|
let bar = document.createElement("div");
|
|
bar.className = "bar-inner";
|
|
bar.style.height = belowEm + "em";
|
|
barDiv.appendChild(bar);
|
|
|
|
// Add bucket label
|
|
barDiv.appendChild(document.createTextNode(label));
|
|
|
|
aDiv.appendChild(barDiv);
|
|
}
|
|
|
|
return text.substr(EOL.length); // Trim the EOL before the first line
|
|
},
|
|
|
|
/**
|
|
* Helper function for filtering histogram elements by their id
|
|
* Adds the "filter-blocked" class to histogram nodes whose IDs don't match the filter.
|
|
*
|
|
* @param aContainerNode Container node containing the histogram class nodes to filter
|
|
* @param aFilterText either text or /RegEx/. If text, case-insensitive and AND words
|
|
*/
|
|
filterHistograms: function _filterHistograms(aContainerNode, aFilterText) {
|
|
let filter = aFilterText.toString();
|
|
|
|
// Pass if: all non-empty array items match (case-sensitive)
|
|
function isPassText(subject, filter) {
|
|
for (let item of filter) {
|
|
if (item.length && subject.indexOf(item) < 0) {
|
|
return false; // mismatch and not a spurious space
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
function isPassRegex(subject, filter) {
|
|
return filter.test(subject);
|
|
}
|
|
|
|
// Setup normalized filter string (trimmed, lower cased and split on spaces if not RegEx)
|
|
let isPassFunc; // filter function, set once, then applied to all elements
|
|
filter = filter.trim();
|
|
if (filter[0] != "/") { // Plain text: case insensitive, AND if multi-string
|
|
isPassFunc = isPassText;
|
|
filter = filter.toLowerCase().split(" ");
|
|
} else {
|
|
isPassFunc = isPassRegex;
|
|
var r = filter.match(/^\/(.*)\/(i?)$/);
|
|
try {
|
|
filter = RegExp(r[1], r[2]);
|
|
}
|
|
catch (e) { // Incomplete or bad RegExp - always no match
|
|
isPassFunc = function() {
|
|
return false;
|
|
};
|
|
}
|
|
}
|
|
|
|
let needLower = (isPassFunc === isPassText);
|
|
|
|
let histograms = aContainerNode.getElementsByClassName("histogram");
|
|
for (let hist of histograms) {
|
|
hist.classList[isPassFunc((needLower ? hist.id.toLowerCase() : hist.id), filter) ? "remove" : "add"]("filter-blocked");
|
|
}
|
|
},
|
|
|
|
/**
|
|
* Event handler for change at histograms filter input
|
|
*
|
|
* When invoked, 'this' is expected to be the filter HTML node.
|
|
*/
|
|
histogramFilterChanged: function _histogramFilterChanged() {
|
|
if (this.idleTimeout) {
|
|
clearTimeout(this.idleTimeout);
|
|
}
|
|
|
|
this.idleTimeout = setTimeout( () => {
|
|
Histogram.filterHistograms(document.getElementById(this.getAttribute("target_id")), this.value);
|
|
}, FILTER_IDLE_TIMEOUT);
|
|
}
|
|
};
|
|
|
|
/*
|
|
* Helper function to render JS objects with white space between top level elements
|
|
* so that they look better in the browser
|
|
* @param aObject JavaScript object or array to render
|
|
* @return String
|
|
*/
|
|
function RenderObject(aObject) {
|
|
let output = "";
|
|
if (Array.isArray(aObject)) {
|
|
if (aObject.length == 0) {
|
|
return "[]";
|
|
}
|
|
output = "[" + JSON.stringify(aObject[0]);
|
|
for (let i = 1; i < aObject.length; i++) {
|
|
output += ", " + JSON.stringify(aObject[i]);
|
|
}
|
|
return output + "]";
|
|
}
|
|
let keys = Object.keys(aObject);
|
|
if (keys.length == 0) {
|
|
return "{}";
|
|
}
|
|
output = "{\"" + keys[0] + "\":\u00A0" + JSON.stringify(aObject[keys[0]]);
|
|
for (let i = 1; i < keys.length; i++) {
|
|
output += ", \"" + keys[i] + "\":\u00A0" + JSON.stringify(aObject[keys[i]]);
|
|
}
|
|
return output + "}";
|
|
};
|
|
|
|
let KeyValueTable = {
|
|
/**
|
|
* Returns a 2-column table with keys and values
|
|
* @param aMeasurements Each key in this JS object is rendered as a row in
|
|
* the table with its corresponding value
|
|
* @param aKeysLabel Column header for the keys column
|
|
* @param aValuesLabel Column header for the values column
|
|
*/
|
|
render: function KeyValueTable_render(aMeasurements, aKeysLabel, aValuesLabel) {
|
|
let table = document.createElement("table");
|
|
this.renderHeader(table, aKeysLabel, aValuesLabel);
|
|
this.renderBody(table, aMeasurements);
|
|
return table;
|
|
},
|
|
|
|
/**
|
|
* Create the table header
|
|
* Tabs & newlines added to cells to make it easier to copy-paste.
|
|
*
|
|
* @param aTable Table element
|
|
* @param aKeysLabel Column header for the keys column
|
|
* @param aValuesLabel Column header for the values column
|
|
*/
|
|
renderHeader: function KeyValueTable_renderHeader(aTable, aKeysLabel, aValuesLabel) {
|
|
let headerRow = document.createElement("tr");
|
|
aTable.appendChild(headerRow);
|
|
|
|
let keysColumn = document.createElement("th");
|
|
keysColumn.appendChild(document.createTextNode(aKeysLabel + "\t"));
|
|
let valuesColumn = document.createElement("th");
|
|
valuesColumn.appendChild(document.createTextNode(aValuesLabel + "\n"));
|
|
|
|
headerRow.appendChild(keysColumn);
|
|
headerRow.appendChild(valuesColumn);
|
|
},
|
|
|
|
/**
|
|
* Create the table body
|
|
* Tabs & newlines added to cells to make it easier to copy-paste.
|
|
*
|
|
* @param aTable Table element
|
|
* @param aMeasurements Key/value map
|
|
*/
|
|
renderBody: function KeyValueTable_renderBody(aTable, aMeasurements) {
|
|
for (let [key, value] of Iterator(aMeasurements)) {
|
|
// use .valueOf() to unbox Number, String, etc. objects
|
|
if ((typeof value == "object") && (typeof value.valueOf() == "object")) {
|
|
value = RenderObject(value);
|
|
}
|
|
|
|
let newRow = document.createElement("tr");
|
|
aTable.appendChild(newRow);
|
|
|
|
let keyField = document.createElement("td");
|
|
keyField.appendChild(document.createTextNode(key + "\t"));
|
|
newRow.appendChild(keyField);
|
|
|
|
let valueField = document.createElement("td");
|
|
valueField.appendChild(document.createTextNode(value + "\n"));
|
|
newRow.appendChild(valueField);
|
|
}
|
|
}
|
|
};
|
|
|
|
let AddonDetails = {
|
|
tableIDTitle: bundle.GetStringFromName("addonTableID"),
|
|
tableDetailsTitle: bundle.GetStringFromName("addonTableDetails"),
|
|
|
|
/**
|
|
* Render the addon details section as a series of headers followed by key/value tables
|
|
* @param aSections Object containing the details sections to render
|
|
*/
|
|
render: function AddonDetails_render(aSections) {
|
|
let addonSection = document.getElementById("addon-details");
|
|
for (let provider in aSections) {
|
|
let providerSection = document.createElement("h2");
|
|
let titleText = bundle.formatStringFromName("addonProvider", [provider], 1);
|
|
providerSection.appendChild(document.createTextNode(titleText));
|
|
addonSection.appendChild(providerSection);
|
|
addonSection.appendChild(
|
|
KeyValueTable.render(aSections[provider],
|
|
this.tableIDTitle, this.tableDetailsTitle));
|
|
}
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Helper function for showing either the toggle element or "No data collected" message for a section
|
|
*
|
|
* @param aSectionID ID of the section element that needs to be changed
|
|
* @param aHasData true (default) indicates that toggle should be displayed
|
|
*/
|
|
function setHasData(aSectionID, aHasData) {
|
|
let sectionElement = document.getElementById(aSectionID);
|
|
sectionElement.classList[aHasData ? "add" : "remove"]("has-data");
|
|
}
|
|
|
|
/**
|
|
* Helper function that expands and collapses sections +
|
|
* changes caption on the toggle text
|
|
*/
|
|
function toggleSection(aEvent) {
|
|
let parentElement = aEvent.target.parentElement;
|
|
if (!parentElement.classList.contains("has-data")) {
|
|
return; // nothing to toggle
|
|
}
|
|
|
|
parentElement.classList.toggle("expanded");
|
|
|
|
// Store section opened/closed state in a hidden checkbox (which is then used on reload)
|
|
let statebox = parentElement.getElementsByClassName("statebox")[0];
|
|
statebox.checked = parentElement.classList.contains("expanded");
|
|
}
|
|
|
|
/**
|
|
* Sets the text of the page header based on a config pref + bundle strings
|
|
*/
|
|
function setupPageHeader()
|
|
{
|
|
let serverOwner = getPref(PREF_TELEMETRY_SERVER_OWNER, "Mozilla");
|
|
let brandName = brandBundle.GetStringFromName("brandFullName");
|
|
let subtitleText = bundle.formatStringFromName(
|
|
"pageSubtitle", [serverOwner, brandName], 2);
|
|
|
|
let subtitleElement = document.getElementById("page-subtitle");
|
|
subtitleElement.appendChild(document.createTextNode(subtitleText));
|
|
}
|
|
|
|
/**
|
|
* Initializes load/unload, pref change and mouse-click listeners
|
|
*/
|
|
function setupListeners() {
|
|
Services.prefs.addObserver(PREF_TELEMETRY_ENABLED, observer, false);
|
|
observer.updatePrefStatus();
|
|
|
|
// Clean up observers when page is closed
|
|
window.addEventListener("unload",
|
|
function unloadHandler(aEvent) {
|
|
window.removeEventListener("unload", unloadHandler);
|
|
Services.prefs.removeObserver(PREF_TELEMETRY_ENABLED, observer);
|
|
}, false);
|
|
|
|
document.getElementById("toggle-telemetry").addEventListener("click",
|
|
function () {
|
|
let value = getPref(PREF_TELEMETRY_ENABLED, false);
|
|
Services.prefs.setBoolPref(PREF_TELEMETRY_ENABLED, !value);
|
|
}, false);
|
|
|
|
document.getElementById("chrome-hangs-fetch-symbols").addEventListener("click",
|
|
function () {
|
|
let hangs = Telemetry.chromeHangs;
|
|
let req = new SymbolicationRequest("chrome-hangs",
|
|
ChromeHangs.renderHangHeader,
|
|
hangs.memoryMap, hangs.stacks);
|
|
req.fetchSymbols();
|
|
}, false);
|
|
|
|
document.getElementById("chrome-hangs-hide-symbols").addEventListener("click",
|
|
function () {
|
|
ChromeHangs.render();
|
|
}, false);
|
|
|
|
document.getElementById("late-writes-fetch-symbols").addEventListener("click",
|
|
function () {
|
|
let lateWrites = TelemetryPing.getPayload().lateWrites;
|
|
let req = new SymbolicationRequest("late-writes",
|
|
LateWritesSingleton.renderHeader,
|
|
lateWrites.memoryMap,
|
|
lateWrites.stacks);
|
|
req.fetchSymbols();
|
|
}, false);
|
|
|
|
document.getElementById("late-writes-hide-symbols").addEventListener("click",
|
|
function () {
|
|
let ping = TelemetryPing.getPayload();
|
|
LateWritesSingleton.renderLateWrites(ping.lateWrites);
|
|
}, false);
|
|
|
|
|
|
// Clicking on the section name will toggle its state
|
|
let sectionHeaders = document.getElementsByClassName("section-name");
|
|
for (let sectionHeader of sectionHeaders) {
|
|
sectionHeader.addEventListener("click", toggleSection, false);
|
|
}
|
|
|
|
// Clicking on the "toggle" text will also toggle section's state
|
|
let toggleLinks = document.getElementsByClassName("toggle-caption");
|
|
for (let toggleLink of toggleLinks) {
|
|
toggleLink.addEventListener("click", toggleSection, false);
|
|
}
|
|
}
|
|
|
|
|
|
function onLoad() {
|
|
window.removeEventListener("load", onLoad);
|
|
|
|
// Set the text in the page header
|
|
setupPageHeader();
|
|
|
|
// Set up event listeners
|
|
setupListeners();
|
|
|
|
// Show slow SQL stats
|
|
SlowSQL.render();
|
|
|
|
// Show chrome hang stacks
|
|
ChromeHangs.render();
|
|
|
|
// Show thread hang stats
|
|
ThreadHangStats.render();
|
|
|
|
// Show histogram data
|
|
let histograms = Telemetry.histogramSnapshots;
|
|
if (Object.keys(histograms).length) {
|
|
let hgramDiv = document.getElementById("histograms");
|
|
for (let [name, hgram] of Iterator(histograms)) {
|
|
Histogram.render(hgramDiv, name, hgram);
|
|
}
|
|
|
|
let filterBox = document.getElementById("histograms-filter");
|
|
filterBox.addEventListener("input", Histogram.histogramFilterChanged, false);
|
|
if (filterBox.value.trim() != "") { // on load, no need to filter if empty
|
|
Histogram.filterHistograms(hgramDiv, filterBox.value);
|
|
}
|
|
|
|
setHasData("histograms-section", true);
|
|
}
|
|
|
|
// Show addon histogram data
|
|
let addonDiv = document.getElementById("addon-histograms");
|
|
let addonHistogramsRendered = false;
|
|
let addonData = Telemetry.addonHistogramSnapshots;
|
|
for (let [addon, histograms] of Iterator(addonData)) {
|
|
for (let [name, hgram] of Iterator(histograms)) {
|
|
addonHistogramsRendered = true;
|
|
Histogram.render(addonDiv, addon + ": " + name, hgram);
|
|
}
|
|
}
|
|
|
|
if (addonHistogramsRendered) {
|
|
setHasData("addon-histograms-section", true);
|
|
}
|
|
|
|
// Get the Telemetry Ping payload
|
|
Telemetry.asyncFetchTelemetryData(displayPingData);
|
|
|
|
// Restore sections states
|
|
let stateboxes = document.getElementsByClassName("statebox");
|
|
for (let box of stateboxes) {
|
|
if (box.checked) { // Was open. Will still display as empty if not has-data
|
|
box.parentElement.classList.add("expanded");
|
|
}
|
|
}
|
|
}
|
|
|
|
let LateWritesSingleton = {
|
|
renderHeader: function LateWritesSingleton_renderHeader(aIndex) {
|
|
StackRenderer.renderHeader("late-writes", [aIndex + 1]);
|
|
},
|
|
|
|
renderLateWrites: function LateWritesSingleton_renderLateWrites(lateWrites) {
|
|
let stacks = lateWrites.stacks;
|
|
let memoryMap = lateWrites.memoryMap;
|
|
StackRenderer.renderStacks('late-writes', stacks, memoryMap,
|
|
LateWritesSingleton.renderHeader);
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Helper function for sorting the startup milestones in the Simple Measurements
|
|
* section into temporal order.
|
|
*
|
|
* @param aSimpleMeasurements Telemetry ping's "Simple Measurements" data
|
|
* @return Sorted measurements
|
|
*/
|
|
function sortStartupMilestones(aSimpleMeasurements) {
|
|
const telemetryTimestamps = TelemetryTimestamps.get();
|
|
let startupEvents = Services.startup.getStartupInfo();
|
|
delete startupEvents['process'];
|
|
|
|
function keyIsMilestone(k) {
|
|
return (k in startupEvents) || (k in telemetryTimestamps);
|
|
}
|
|
|
|
let sortedKeys = Object.keys(aSimpleMeasurements);
|
|
|
|
// Sort the measurements, with startup milestones at the front + ordered by time
|
|
sortedKeys.sort(function keyCompare(keyA, keyB) {
|
|
let isKeyAMilestone = keyIsMilestone(keyA);
|
|
let isKeyBMilestone = keyIsMilestone(keyB);
|
|
|
|
// First order by startup vs non-startup measurement
|
|
if (isKeyAMilestone && !isKeyBMilestone)
|
|
return -1;
|
|
if (!isKeyAMilestone && isKeyBMilestone)
|
|
return 1;
|
|
// Don't change order of non-startup measurements
|
|
if (!isKeyAMilestone && !isKeyBMilestone)
|
|
return 0;
|
|
|
|
// If both keys are startup measurements, order them by value
|
|
return aSimpleMeasurements[keyA] - aSimpleMeasurements[keyB];
|
|
});
|
|
|
|
// Insert measurements into a result object in sort-order
|
|
let result = {};
|
|
for (let key of sortedKeys) {
|
|
result[key] = aSimpleMeasurements[key];
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
function displayPingData() {
|
|
let ping = TelemetryPing.getPayload();
|
|
|
|
let keysHeader = bundle.GetStringFromName("keysHeader");
|
|
let valuesHeader = bundle.GetStringFromName("valuesHeader");
|
|
|
|
// Show simple measurements
|
|
let simpleMeasurements = sortStartupMilestones(ping.simpleMeasurements);
|
|
if (Object.keys(simpleMeasurements).length) {
|
|
let simpleSection = document.getElementById("simple-measurements");
|
|
simpleSection.appendChild(KeyValueTable.render(simpleMeasurements,
|
|
keysHeader, valuesHeader));
|
|
setHasData("simple-measurements-section", true);
|
|
}
|
|
|
|
LateWritesSingleton.renderLateWrites(ping.lateWrites);
|
|
|
|
// Show basic system info gathered
|
|
if (Object.keys(ping.info).length) {
|
|
let infoSection = document.getElementById("system-info");
|
|
infoSection.appendChild(KeyValueTable.render(ping.info,
|
|
keysHeader, valuesHeader));
|
|
setHasData("system-info-section", true);
|
|
}
|
|
|
|
let addonDetails = ping.addonDetails;
|
|
if (Object.keys(addonDetails).length) {
|
|
AddonDetails.render(addonDetails);
|
|
setHasData("addon-details-section", true);
|
|
}
|
|
}
|
|
|
|
window.addEventListener("load", onLoad, false);
|