зеркало из https://github.com/mozilla/pjs.git
103 строки
3.0 KiB
C++
103 строки
3.0 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2; -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is
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* The Mozilla Foundation <http://www.mozilla.org/>.
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* Portions created by the Initial Developer are Copyright (C) 2011
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Taras Glek <tglek@mozilla.com>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#ifndef Telemetry_h__
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#define Telemetry_h__
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#include "mozilla/TimeStamp.h"
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#include "mozilla/AutoRestore.h"
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namespace base {
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class Histogram;
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}
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namespace mozilla {
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namespace Telemetry {
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enum ID {
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#define HISTOGRAM(name, a, b, c, d, e) name,
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#include "TelemetryHistograms.h"
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#undef HISTOGRAM
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HistogramCount
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};
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/**
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* Adds sample to a histogram defined in TelemetryHistograms.h
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*
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* @param id - histogram id
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* @param sample - value to record.
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*/
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void Accumulate(ID id, PRUint32 sample);
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/**
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* Adds time delta in milliseconds to a histogram defined in TelemetryHistograms.h
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*
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* @param id - histogram id
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* @param start - start time
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* @param end - end time
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*/
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void AccumulateTimeDelta(ID id, TimeStamp start, TimeStamp end = TimeStamp::Now());
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/**
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* Return a raw Histogram for direct manipulation for users who can not use Accumulate().
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*/
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base::Histogram* GetHistogramById(ID id);
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template<ID id>
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class AutoTimer {
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public:
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AutoTimer(MOZILLA_GUARD_OBJECT_NOTIFIER_ONLY_PARAM)
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: start(TimeStamp::Now())
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{
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MOZILLA_GUARD_OBJECT_NOTIFIER_INIT;
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}
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~AutoTimer() {
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AccumulateTimeDelta(id, start);
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}
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private:
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const TimeStamp start;
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MOZILLA_DECL_USE_GUARD_OBJECT_NOTIFIER
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};
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} // namespace Telemetry
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} // namespace mozilla
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#endif // Telemetry_h__
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