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273 lines
10 KiB
Plaintext
273 lines
10 KiB
Plaintext
/* -*- Mode: C++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 8 -*- */
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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 Firefox.
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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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* Vladan Djeric <vdjeric@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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#include "nsISupports.idl"
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#include "nsIFile.idl"
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[scriptable, uuid(02719ffb-1a87-46cd-b8d3-5583f3267b32)]
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interface nsITelemetrySessionData : nsISupports
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{
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/**
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* The UUID of our previous session.
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*/
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readonly attribute ACString uuid;
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/**
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* An object containing a snapshot from all registered histograms that had
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* data recorded in the previous session.
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* { name1: data1, name2: data2, .... }
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* where the individual dataN are as nsITelemetry.histogramSnapshots.
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*/
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[implicit_jscontext]
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readonly attribute jsval snapshots;
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};
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[scriptable, function, uuid(aff36c9d-7e4c-41ab-a9b6-53773bbca0cd)]
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interface nsITelemetryLoadSessionDataCallback : nsISupports
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{
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void handle(in nsITelemetrySessionData data);
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};
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[scriptable, function, uuid(40065f26-afd2-4417-93de-c1de9adb1548)]
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interface nsITelemetrySaveSessionDataCallback : nsISupports
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{
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void handle(in bool success);
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};
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[scriptable, uuid(f23a2c8d-9286-42e9-ab1b-ed287eeade6d)]
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interface nsITelemetry : nsISupports
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{
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/**
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* Histogram types:
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* HISTOGRAM_EXPONENTIAL - buckets increase exponentially
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* HISTOGRAM_LINEAR - buckets increase linearly
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* HISTOGRAM_BOOLEAN - For storing 0/1 values
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* HISTOGRAM_FLAG - For storing a single value; its count is always == 1.
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*/
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const unsigned long HISTOGRAM_EXPONENTIAL = 0;
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const unsigned long HISTOGRAM_LINEAR = 1;
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const unsigned long HISTOGRAM_BOOLEAN = 2;
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const unsigned long HISTOGRAM_FLAG = 3;
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/*
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* An object containing a snapshot from all of the currently registered histograms.
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* { name1: {data1}, name2:{data2}...}
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* where data is consists of the following properties:
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* min - Minimal bucket size
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* max - Maximum bucket size
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* histogram_type - HISTOGRAM_EXPONENTIAL, HISTOGRAM_LINEAR, or HISTOGRAM_BOOLEAN
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* counts - array representing contents of the buckets in the histogram
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* ranges - an array with calculated bucket sizes
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* sum - sum of the bucket contents
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* static - true for histograms defined in TelemetryHistograms.h, false for ones defined with newHistogram
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*/
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[implicit_jscontext]
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readonly attribute jsval histogramSnapshots;
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/*
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* An object containing information about slow SQL statements.
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*
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* {
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* mainThread: { "sqlString1": [<hit count>, <total time>], "sqlString2": [...], ... },
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* otherThreads: { "sqlString3": [<hit count>, <total time>], "sqlString4": [...], ... }
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* }
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*
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* where:
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* mainThread: Slow statements that executed on the main thread
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* otherThreads: Slow statements that executed on a non-main thread
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* sqlString - String of the offending statement (see note)
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* hit count - The number of times this statement required longer than the threshold time to execute
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* total time - The sum of all execution times above the threshold time for this statement
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*
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* Note that dynamic SQL strings and SQL strings executed against addon DBs could contain private information.
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* This property represents such SQL as aggregate database-level stats and the sqlString contains the database
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* filename instead.
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*/
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[implicit_jscontext]
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readonly attribute jsval slowSQL;
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/*
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* See slowSQL above.
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*
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* An object containing full strings of every slow SQL statement if toolkit.telemetry.debugSlowSql = true
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* The returned SQL strings may contain private information and should not be reported to Telemetry.
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*/
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[implicit_jscontext]
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readonly attribute jsval debugSlowSQL;
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/*
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* An array of chrome hang reports. Each element is a hang report represented
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* as an object containing the hang duration, call stack PCs and information
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* about modules in memory.
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*/
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[implicit_jscontext]
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readonly attribute jsval chromeHangs;
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/**
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* An object whose properties are the names of histograms defined in
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* TelemetryHistograms.h and whose corresponding values are the textual
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* comments associated with said histograms.
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*/
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[implicit_jscontext]
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readonly attribute jsval registeredHistograms;
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/**
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* Create and return a histogram. Parameters:
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*
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* @param name Unique histogram name
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* @param min - Minimal bucket size
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* @param max - Maximum bucket size
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* @param bucket_count - number of buckets in the histogram.
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* @param type - HISTOGRAM_EXPONENTIAL, HISTOGRAM_LINEAR or HISTOGRAM_BOOLEAN
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* The returned object has the following functions:
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* add(int) - Adds an int value to the appropriate bucket
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* snapshot() - Returns a snapshot of the histogram with the same data fields as in histogramSnapshots()
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*/
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[implicit_jscontext]
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jsval newHistogram(in ACString name, in PRUint32 min, in PRUint32 max, in PRUint32 bucket_count, in unsigned long histogram_type);
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/**
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* Create a histogram using the current state of an existing histogram. The
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* existing histogram must be registered in TelemetryHistograms.h.
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*
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* @param name Unique histogram name
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* @param existing_name Existing histogram name
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* The returned object has the same functions as a histogram returned from newHistogram.
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*/
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[implicit_jscontext]
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jsval histogramFrom(in ACString name, in ACString existing_name);
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/**
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* Same as newHistogram above, but for histograms registered in TelemetryHistograms.h.
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*
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* @param id - unique identifier from TelemetryHistograms.h
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*/
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[implicit_jscontext]
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jsval getHistogramById(in ACString id);
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/**
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* Save persistent histograms to the given file.
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*
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* @param file - filename for saving
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* @param uuid - UUID of this session
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* @param callback - function to be caled when file writing is complete
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*/
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void saveHistograms(in nsIFile file, in ACString uuid,
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in nsITelemetrySaveSessionDataCallback callback,
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in bool isSynchronous);
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/* Reconstruct an nsITelemetryDataSession object containing histogram
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* information from the given file; the file must have been produced
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* via saveHistograms.
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*
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* This method does not modify the histogram information being
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* collected in the current session.
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*
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* The reconstructed object is then passed to the given callback.
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*
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* @param file - the file to load histogram information from
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* @param callback - function to process histogram information
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*/
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void loadHistograms(in nsIFile file,
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in nsITelemetryLoadSessionDataCallback callback,
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in bool isSynchronous);
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/**
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* Set this to false to disable gathering of telemetry statistics.
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*/
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attribute boolean canRecord;
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/**
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* A flag indicating whether Telemetry can submit official results.
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*/
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readonly attribute boolean canSend;
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/** Addon telemetry hooks */
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/**
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* Register a histogram for an addon. Throws an error if the
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* histogram name has been registered previously.
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*
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* @param addon_id - Unique ID of the addon
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* @param name - Unique histogram name
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* @param min - Minimal bucket size
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* @param max - Maximum bucket size
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* @param bucket_count - number of buckets in the histogram
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* @param histogram_type - HISTOGRAM_EXPONENTIAL, HISTOGRAM_LINEAR, or
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* HISTOGRAM_BOOLEAN
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*/
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void registerAddonHistogram(in ACString addon_id, in ACString name,
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in PRUint32 min, in PRUint32 max,
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in PRUint32 bucket_count,
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in unsigned long histogram_type);
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/**
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* Return a histogram previously registered via
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* registerAddonHistogram. Throws an error if the id/name combo has
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* not been registered via registerAddonHistogram.
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*
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* @param addon_id - Unique ID of the addon
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* @param name - Registered histogram name
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*
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* The returned object has the same functions as a histogram returned
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* from newHistogram.
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*/
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[implicit_jscontext]
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jsval getAddonHistogram(in ACString addon_id, in ACString name);
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/**
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* Delete all histograms associated with the given addon id.
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*
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* @param addon_id - Unique ID of the addon
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*/
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void unregisterAddonHistograms(in ACString addon_id);
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/**
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* An object containing a snapshot from all of the currently
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* registered addon histograms.
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* { addon-id1 : data1, ... }
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*
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* where data is an object whose properties are the names of the
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* addon's histograms and whose corresponding values are as in
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* histogramSnapshots.
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*/
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[implicit_jscontext]
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readonly attribute jsval addonHistogramSnapshots;
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};
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