Line data    Source code

       1             : /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
       2             : /* vim: set ts=8 sts=2 et sw=2 tw=80: */
       3             : /* This Source Code Form is subject to the terms of the Mozilla Public
       4             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       5             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
       6             : 
       7             : #include "ProfilerBacktrace.h"
       8             : 
       9             : #include "ProfileJSONWriter.h"
      10             : #include "ThreadInfo.h"
      11             : 
      12           0 : ProfilerBacktrace::ProfilerBacktrace(const char* aName, int aThreadId,
      13           0 :                                      UniquePtr<ProfileBuffer> aBuffer)
      14             :   : mName(strdup(aName))
      15             :   , mThreadId(aThreadId)
      16           0 :   , mBuffer(Move(aBuffer))
      17             : {
      18           0 :   MOZ_COUNT_CTOR(ProfilerBacktrace);
      19           0 : }
      20             : 
      21           0 : ProfilerBacktrace::~ProfilerBacktrace()
      22             : {
      23           0 :   MOZ_COUNT_DTOR(ProfilerBacktrace);
      24           0 : }
      25             : 
      26             : void
      27           0 : ProfilerBacktrace::StreamJSON(SpliceableJSONWriter& aWriter,
      28             :                               const TimeStamp& aProcessStartTime,
      29             :                               UniqueStacks& aUniqueStacks)
      30             : {
      31             :   // This call to StreamSamplesAndMarkers() can safely pass in a non-null
      32             :   // JSContext. That's because StreamSamplesAndMarkers() only accesses the
      33             :   // JSContext when streaming JitReturnAddress entries, and such entries
      34             :   // never appear in synchronous samples.
      35           0 :   StreamSamplesAndMarkers(mName.get(), mThreadId,
      36           0 :                           *mBuffer.get(), aWriter, aProcessStartTime,
      37             :                           /* aSinceTime */ 0, /* aContext */ nullptr,
      38             :                           /* aSavedStreamedSamples */ nullptr,
      39             :                           /* aSavedStreamedMarkers */ nullptr,
      40           0 :                           aUniqueStacks);
      41           0 : }