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220 lines
8.0 KiB
Plaintext
220 lines
8.0 KiB
Plaintext
/* -*- Mode: C++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 8 -*- */
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/* 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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#include "nsISupports.idl"
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#include "nsIFile.idl"
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[scriptable,function, uuid(3d3b9075-5549-4244-9c08-b64fefa1dd60)]
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interface nsIFetchTelemetryDataCallback : nsISupports
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{
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void complete();
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};
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[scriptable, uuid(e70ba4cc-7ccd-41fe-a75c-e4042233a8cb)]
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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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* The amount of time, in milliseconds, that the last session took
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* to shutdown. Reads as 0 to indicate failure.
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*/
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readonly attribute uint32_t lastShutdownDuration;
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/**
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* The number of failed profile lock attempts that have occurred prior to
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* successfully locking the profile
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*/
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readonly attribute uint32_t failedProfileLockCount;
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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 with two fields: memoryMap and stacks.
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* * memoryMap is a list of loaded libraries.
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* * stacks is a list of stacks. Each stack is a list of pairs of the form
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* [moduleIndex, offset]. The moduleIndex is an index into the memoryMap and
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* offset is an offset in the library at memoryMap[moduleIndex].
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* This format is used to make it easier to send the stacks to the
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* symbolication server.
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*/
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[implicit_jscontext]
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readonly attribute jsval lateWrites;
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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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* clear() - Zeros out the histogram's buckets and sum
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*/
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[implicit_jscontext]
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jsval newHistogram(in ACString name, in uint32_t min, in uint32_t max, in uint32_t 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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* 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 uint32_t min, in uint32_t max,
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in uint32_t 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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* Read data from the previous run. After the callback is called, the last
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* shutdown time is available in lastShutdownDuration and any late
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* writes in lateWrites.
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*/
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void asyncFetchTelemetryData(in nsIFetchTelemetryDataCallback aCallback);
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};
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