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author | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
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committer | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
commit | 5f8de423f190bbb79a62f804151bc24824fa32d8 (patch) | |
tree | 10027f336435511475e392454359edea8e25895d /tools/profiler/gecko/nsIProfiler.idl | |
parent | 49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff) | |
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Add m-esr52 at 52.6.0
Diffstat (limited to 'tools/profiler/gecko/nsIProfiler.idl')
-rw-r--r-- | tools/profiler/gecko/nsIProfiler.idl | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/tools/profiler/gecko/nsIProfiler.idl b/tools/profiler/gecko/nsIProfiler.idl new file mode 100644 index 000000000..f9b118650 --- /dev/null +++ b/tools/profiler/gecko/nsIProfiler.idl @@ -0,0 +1,101 @@ +/* -*- 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++ +#include "nsTArrayForwardDeclare.h" +class nsCString; +%} + +[ref] native StringArrayRef(const nsTArray<nsCString>); + +/** + * 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(); +}; + +[scriptable, uuid(ead3f75c-0e0e-4fbb-901c-1e5392ef5b2a)] +interface nsIProfiler : nsISupports +{ + boolean CanProfile(); + 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); + /* + * Returns the JSON string of the profile. If aSinceTime is passed, only + * report samples taken at >= aSinceTime. + */ + string GetProfile([optional] in double aSinceTime); + + /* + * Returns a JS object of the profile. If aSinceTime is passed, only report + * samples taken at >= aSinceTime. + */ + [implicit_jscontext] + jsval getProfileData([optional] in double aSinceTime); + + [implicit_jscontext] + nsISupports getProfileDataAsync([optional] in double aSinceTime); + + boolean IsActive(); + void GetFeatures(out uint32_t aCount, [retval, array, size_is(aCount)] out string aFeatures); + + /** + * The starting parameters that were sent to the profiler for sampling. + * If the profiler is not currently sampling, this will return null. + */ + readonly attribute nsIProfilerStartParams startParams; + + /** + * The profileGatherer will be null if the profiler is not currently + * active. + */ + readonly attribute nsISupports profileGatherer; + + void GetBufferInfo(out uint32_t aCurrentPosition, out uint32_t aTotalSize, + out uint32_t aGeneration); + + /** + * Returns the elapsed time, in milliseconds, since the profiler's epoch. + * The epoch is guaranteed to be constant for the duration of the + * process, but is otherwise arbitrary. + */ + double getElapsedTime(); + + /** + * 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); +}; |