Şu anda bakım nedeniyle sitemiz kısıtlı işlevsellik sunmaktadır. Mevcut makaleler sorununuzu çözmediyse ve bize soru sormak isterseniz Twitter’da @FirefoxSupport hesabından ve Reddit’teki /r/firefox subreddit'inden destek gönüllülerimize ulaşabilirsiniz.

Mozilla Destek’te Ara

Destek dolandırıcılığından kaçının. Mozilla sizden asla bir telefon numarasını aramanızı, mesaj göndermenizi veya kişisel bilgilerinizi paylaşmanızı istemez. Şüpheli durumları “Kötüye kullanım bildir” seçeneğini kullanarak bildirebilirsiniz.

Daha Fazlasını Öğren

This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this file, * You can obta

  • 2 yanıt
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  • Son yanıtı yazan: cor-el

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This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this file,
 * You can obtain one at http://mozilla.org/MPL/2.0/. */

const Cc = Components.classes;
const Ci = Components.interfaces;
const Cu = Components.utils;

let EXPORTED_SYMBOLS = ["TelemetryStopwatch"];

let Telemetry = Cc["@mozilla.org/base/telemetry;1"]
                  .getService(Ci.nsITelemetry);

// simpleTimers are directly associated with a histogram
// name. objectTimers are associated with an object _and_
// a histogram name.
let simpleTimers = {};
let objectTimers = new WeakMap();

let TelemetryStopwatch = {
  /**
   * Starts a timer associated with a telemetry histogram. The timer can be
   * directly associated with a histogram, or with a pair of a histogram and
   * an object.
   *
   * @param aHistogram a string which must be a valid histogram name
   *                   from TelemetryHistograms.h
   *
   * @param aObj Optional parameter. If specified, the timer is associated
   *             with this object, meaning that multiple timers for a same
   *             histogram may be run concurrently, as long as they are
   *             associated with different objects.
   *
   * @return true if the timer was successfully started, false otherwise. If a
   *         timer already exists, it can't be started again, and the existing
   *         one will be cleared in order to avoid measurements errors.
   */
  start: function(aHistogram, aObj) {
    if (!validTypes(aHistogram, aObj))
      return false;

    let timers;
    if (aObj) {
      timers = objectTimers.get(aObj, {});
      objectTimers.set(aObj, timers);
    } else {
      timers = simpleTimers;
    }

    if (timers.hasOwnProperty(aHistogram)) {
      delete timers[aHistogram];
      Cu.reportError("TelemetryStopwatch: key \"" +
                     aHistogram + "\" was already initialized");
      return false;
    }

    timers[aHistogram] = Date.now();
    return true;
  },

  /**
   * Stops the timer associated with the given histogram (and object),
   * calculates the time delta between start and finish, and adds the value
   * to the histogram.
   *
   * @param aHistogram a string which must be a valid histogram name
   *                   from TelemetryHistograms.h. If an invalid name
   *                   is given, the function will throw.
   *
   * @param aObj Optional parameter which associates the histogram timer with
   *             the given object.
   *
   * @return true if the timer was succesfully stopped and the data was
   *         added to the histogram, false otherwise.
   */
  finish: function(aHistogram, aObj) {
    if (!validTypes(aHistogram, aObj))
      return false;

    let timers = aObj
                 ? objectTimers.get(aObj, {})
                 : simpleTimers;

    let start = timers[aHistogram];
    delete timers[aHistogram];

    if (start) {
      let delta = Date.now() - start;
      let histogram = Telemetry.getHistogramById(aHistogram);
      histogram.add(delta);
      return true;
    }

    return false;
  }
}

function validTypes(aKey, aObj) {
  return (typeof aKey == "string") &&
         (aObj === undefined || typeof aObj == "object");
}
<pre><nowiki>This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this file, * You can obtain one at http://mozilla.org/MPL/2.0/. */ const Cc = Components.classes; const Ci = Components.interfaces; const Cu = Components.utils; let EXPORTED_SYMBOLS = ["TelemetryStopwatch"]; let Telemetry = Cc["@mozilla.org/base/telemetry;1"] .getService(Ci.nsITelemetry); // simpleTimers are directly associated with a histogram // name. objectTimers are associated with an object _and_ // a histogram name. let simpleTimers = {}; let objectTimers = new WeakMap(); let TelemetryStopwatch = { /** * Starts a timer associated with a telemetry histogram. The timer can be * directly associated with a histogram, or with a pair of a histogram and * an object. * * @param aHistogram a string which must be a valid histogram name * from TelemetryHistograms.h * * @param aObj Optional parameter. If specified, the timer is associated * with this object, meaning that multiple timers for a same * histogram may be run concurrently, as long as they are * associated with different objects. * * @return true if the timer was successfully started, false otherwise. If a * timer already exists, it can't be started again, and the existing * one will be cleared in order to avoid measurements errors. */ start: function(aHistogram, aObj) { if (!validTypes(aHistogram, aObj)) return false; let timers; if (aObj) { timers = objectTimers.get(aObj, {}); objectTimers.set(aObj, timers); } else { timers = simpleTimers; } if (timers.hasOwnProperty(aHistogram)) { delete timers[aHistogram]; Cu.reportError("TelemetryStopwatch: key \"" + aHistogram + "\" was already initialized"); return false; } timers[aHistogram] = Date.now(); return true; }, /** * Stops the timer associated with the given histogram (and object), * calculates the time delta between start and finish, and adds the value * to the histogram. * * @param aHistogram a string which must be a valid histogram name * from TelemetryHistograms.h. If an invalid name * is given, the function will throw. * * @param aObj Optional parameter which associates the histogram timer with * the given object. * * @return true if the timer was succesfully stopped and the data was * added to the histogram, false otherwise. */ finish: function(aHistogram, aObj) { if (!validTypes(aHistogram, aObj)) return false; let timers = aObj ? objectTimers.get(aObj, {}) : simpleTimers; let start = timers[aHistogram]; delete timers[aHistogram]; if (start) { let delta = Date.now() - start; let histogram = Telemetry.getHistogramById(aHistogram); histogram.add(delta); return true; } return false; } } function validTypes(aKey, aObj) { return (typeof aKey == "string") && (aObj === undefined || typeof aObj == "object"); }</nowiki></pre>

cor-el tarafından tarihinde düzenlendi

Tüm Yanıtlar (2)

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I'm a bit confused on what you want help with here?

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This is about the information that sending performance data.
Firefox 19 and later will have an about:telemetry page to give some information.