gecko-dev/tools/profiler/nsIProfiler.idl

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/* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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/. */
#include "nsISupports.idl"
%{C++
template<class T> class nsTArray;
class nsCString;
%}
[ref] native StringArrayRef(const nsTArray<nsCString>);
[scriptable, uuid(42d1e0e3-303a-424f-89ea-4f15c699d767)]
interface nsIProfiler : nsISupports
{
void StartProfiler(in uint32_t aEntries, in double aInterval,
[array, size_is(aFeatureCount)] in string aFeatures,
in uint32_t aFeatureCount,
[array, size_is(aFilterCount), optional] in string aThreadNameFilters,
[optional] in uint32_t aFilterCount);
void StopProfiler();
boolean IsPaused();
void PauseSampling();
void ResumeSampling();
void AddMarker(in string aMarker);
string GetProfile();
[implicit_jscontext]
jsval getProfileData();
boolean IsActive();
void GetFeatures(out uint32_t aCount, [retval, array, size_is(aCount)] out string aFeatures);
/**
* Returns a JSON string of an array of shared library objects.
* Every object has three properties: start, end, and name.
* start and end are integers describing the address range that the library
* occupies in memory. name is the path of the library as a string.
*
* On Windows profiling builds, the shared library objects will have
* additional pdbSignature and pdbAge properties for uniquely identifying
* shared library versions for stack symbolication.
*/
AString getSharedLibraryInformation();
/**
* Dump the collected profile to a file.
*/
void dumpProfileToFile(in string aFilename);
};
/**
* Start-up parameters for subprocesses are passed through nsIObserverService,
* which, unfortunately, means we need to implement nsISupports in order to
* go through it.
*/
[uuid(0a175ba7-8fcf-4ce9-9c4b-ccc6272f4425)]
interface nsIProfilerStartParams : nsISupports
{
attribute uint32_t entries;
attribute double interval;
[noscript, notxpcom, nostdcall] StringArrayRef getFeatures();
[noscript, notxpcom, nostdcall] StringArrayRef getThreadFilterNames();
};