mirror of
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daba448963
--HG-- rename : tools/profiler/EHABIStackWalk.cpp => tools/profiler/core/EHABIStackWalk.cpp rename : tools/profiler/EHABIStackWalk.h => tools/profiler/core/EHABIStackWalk.h rename : tools/profiler/TableTicker.cpp => tools/profiler/core/GeckoSampler.cpp rename : tools/profiler/TableTicker.h => tools/profiler/core/GeckoSampler.h rename : tools/profiler/IntelPowerGadget.cpp => tools/profiler/core/IntelPowerGadget.cpp rename : tools/profiler/IntelPowerGadget.h => tools/profiler/core/IntelPowerGadget.h rename : tools/profiler/PlatformMacros.h => tools/profiler/core/PlatformMacros.h rename : tools/profiler/ProfileEntry.cpp => tools/profiler/core/ProfileEntry.cpp rename : tools/profiler/ProfileEntry.h => tools/profiler/core/ProfileEntry.h rename : tools/profiler/ProfileJSONWriter.cpp => tools/profiler/core/ProfileJSONWriter.cpp rename : tools/profiler/ProfileJSONWriter.h => tools/profiler/core/ProfileJSONWriter.h rename : tools/profiler/ProfilerBacktrace.cpp => tools/profiler/core/ProfilerBacktrace.cpp rename : tools/profiler/ProfilerMarkers.cpp => tools/profiler/core/ProfilerMarkers.cpp rename : tools/profiler/SyncProfile.cpp => tools/profiler/core/SyncProfile.cpp rename : tools/profiler/SyncProfile.h => tools/profiler/core/SyncProfile.h rename : tools/profiler/platform-linux.cc => tools/profiler/core/platform-linux.cc rename : tools/profiler/platform-macos.cc => tools/profiler/core/platform-macos.cc rename : tools/profiler/platform-win32.cc => tools/profiler/core/platform-win32.cc rename : tools/profiler/platform.cpp => tools/profiler/core/platform.cpp rename : tools/profiler/platform.h => tools/profiler/core/platform.h rename : tools/profiler/shared-libraries-linux.cc => tools/profiler/core/shared-libraries-linux.cc rename : tools/profiler/shared-libraries-macos.cc => tools/profiler/core/shared-libraries-macos.cc rename : tools/profiler/shared-libraries-win32.cc => tools/profiler/core/shared-libraries-win32.cc rename : tools/profiler/shim_mac_dump_syms.h => tools/profiler/core/shim_mac_dump_syms.h rename : tools/profiler/shim_mac_dump_syms.mm => tools/profiler/core/shim_mac_dump_syms.mm rename : tools/profiler/v8-support.h => tools/profiler/core/v8-support.h rename : tools/profiler/ProfileGatherer.cpp => tools/profiler/gecko/ProfileGatherer.cpp rename : tools/profiler/Profiler.jsm => tools/profiler/gecko/Profiler.jsm rename : tools/profiler/ProfilerIOInterposeObserver.cpp => tools/profiler/gecko/ProfilerIOInterposeObserver.cpp rename : tools/profiler/ProfilerIOInterposeObserver.h => tools/profiler/gecko/ProfilerIOInterposeObserver.h rename : tools/profiler/SaveProfileTask.cpp => tools/profiler/gecko/SaveProfileTask.cpp rename : tools/profiler/SaveProfileTask.h => tools/profiler/gecko/SaveProfileTask.h rename : tools/profiler/ThreadResponsiveness.cpp => tools/profiler/gecko/ThreadResponsiveness.cpp rename : tools/profiler/ThreadResponsiveness.h => tools/profiler/gecko/ThreadResponsiveness.h rename : tools/profiler/local_debug_info_symbolizer.cc => tools/profiler/gecko/local_debug_info_symbolizer.cc rename : tools/profiler/local_debug_info_symbolizer.h => tools/profiler/gecko/local_debug_info_symbolizer.h rename : tools/profiler/nsIProfileSaveEvent.idl => tools/profiler/gecko/nsIProfileSaveEvent.idl rename : tools/profiler/nsIProfiler.idl => tools/profiler/gecko/nsIProfiler.idl rename : tools/profiler/nsProfiler.cpp => tools/profiler/gecko/nsProfiler.cpp rename : tools/profiler/nsProfiler.h => tools/profiler/gecko/nsProfiler.h rename : tools/profiler/nsProfilerCIID.h => tools/profiler/gecko/nsProfilerCIID.h rename : tools/profiler/nsProfilerFactory.cpp => tools/profiler/gecko/nsProfilerFactory.cpp rename : tools/profiler/nsProfilerStartParams.cpp => tools/profiler/gecko/nsProfilerStartParams.cpp rename : tools/profiler/nsProfilerStartParams.h => tools/profiler/gecko/nsProfilerStartParams.h rename : tools/profiler/AutoObjectMapper.cpp => tools/profiler/lul/AutoObjectMapper.cpp rename : tools/profiler/AutoObjectMapper.h => tools/profiler/lul/AutoObjectMapper.h rename : tools/profiler/LulCommon.cpp => tools/profiler/lul/LulCommon.cpp rename : tools/profiler/LulCommonExt.h => tools/profiler/lul/LulCommonExt.h rename : tools/profiler/LulDwarf.cpp => tools/profiler/lul/LulDwarf.cpp rename : tools/profiler/LulDwarfExt.h => tools/profiler/lul/LulDwarfExt.h rename : tools/profiler/LulDwarfInt.h => tools/profiler/lul/LulDwarfInt.h rename : tools/profiler/LulDwarfSummariser.cpp => tools/profiler/lul/LulDwarfSummariser.cpp rename : tools/profiler/LulDwarfSummariser.h => tools/profiler/lul/LulDwarfSummariser.h rename : tools/profiler/LulElf.cpp => tools/profiler/lul/LulElf.cpp rename : tools/profiler/LulElfExt.h => tools/profiler/lul/LulElfExt.h rename : tools/profiler/LulElfInt.h => tools/profiler/lul/LulElfInt.h rename : tools/profiler/LulMain.cpp => tools/profiler/lul/LulMain.cpp rename : tools/profiler/LulMain.h => tools/profiler/lul/LulMain.h rename : tools/profiler/LulMainInt.h => tools/profiler/lul/LulMainInt.h rename : tools/profiler/LulPlatformMacros.h => tools/profiler/lul/LulPlatformMacros.h rename : tools/profiler/platform-linux-lul.cpp => tools/profiler/lul/platform-linux-lul.cpp rename : tools/profiler/platform-linux-lul.h => tools/profiler/lul/platform-linux-lul.h rename : tools/profiler/GeckoProfiler.h => tools/profiler/public/GeckoProfiler.h rename : tools/profiler/GeckoProfilerFunc.h => tools/profiler/public/GeckoProfilerFunc.h rename : tools/profiler/GeckoProfilerImpl.h => tools/profiler/public/GeckoProfilerImpl.h rename : tools/profiler/ProfileGatherer.h => tools/profiler/public/ProfileGatherer.h rename : tools/profiler/ProfilerBacktrace.h => tools/profiler/public/ProfilerBacktrace.h rename : tools/profiler/ProfilerMarkers.h => tools/profiler/public/ProfilerMarkers.h rename : tools/profiler/PseudoStack.h => tools/profiler/public/PseudoStack.h rename : tools/profiler/shared-libraries.h => tools/profiler/public/shared-libraries.h rename : tools/profiler/GeckoTaskTracer.cpp => tools/profiler/tasktracer/GeckoTaskTracer.cpp rename : tools/profiler/GeckoTaskTracer.h => tools/profiler/tasktracer/GeckoTaskTracer.h rename : tools/profiler/GeckoTaskTracerImpl.h => tools/profiler/tasktracer/GeckoTaskTracerImpl.h rename : tools/profiler/SourceEventTypeMap.h => tools/profiler/tasktracer/SourceEventTypeMap.h rename : tools/profiler/TracedTaskCommon.cpp => tools/profiler/tasktracer/TracedTaskCommon.cpp rename : tools/profiler/TracedTaskCommon.h => tools/profiler/tasktracer/TracedTaskCommon.h extra : commitid : EGgqHIgsN6z
116 lines
3.2 KiB
C++
116 lines
3.2 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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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 "mozilla/HashFunctions.h"
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#include "ProfileJSONWriter.h"
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void
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ChunkedJSONWriteFunc::Write(const char* aStr)
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{
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MOZ_ASSERT(mChunkPtr >= mChunkList.back().get() && mChunkPtr <= mChunkEnd);
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MOZ_ASSERT(mChunkEnd >= mChunkList.back().get() + mChunkLengths.back());
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MOZ_ASSERT(*mChunkPtr == '\0');
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size_t len = strlen(aStr);
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// Most strings to be written are small, but subprocess profiles (e.g.,
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// from the content process in e10s) may be huge. If the string is larger
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// than a chunk, allocate its own chunk.
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char* newPtr;
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if (len >= kChunkSize) {
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AllocChunk(len + 1);
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newPtr = mChunkPtr + len;
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} else {
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newPtr = mChunkPtr + len;
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if (newPtr >= mChunkEnd) {
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AllocChunk(kChunkSize);
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newPtr = mChunkPtr + len;
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}
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}
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memcpy(mChunkPtr, aStr, len);
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*newPtr = '\0';
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mChunkPtr = newPtr;
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mChunkLengths.back() += len;
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}
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mozilla::UniquePtr<char[]>
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ChunkedJSONWriteFunc::CopyData() const
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{
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MOZ_ASSERT(mChunkLengths.length() == mChunkList.length());
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size_t totalLen = 1;
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for (size_t i = 0; i < mChunkLengths.length(); i++) {
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MOZ_ASSERT(strlen(mChunkList[i].get()) == mChunkLengths[i]);
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totalLen += mChunkLengths[i];
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}
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mozilla::UniquePtr<char[]> c = mozilla::MakeUnique<char[]>(totalLen);
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char* ptr = c.get();
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for (size_t i = 0; i < mChunkList.length(); i++) {
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size_t len = mChunkLengths[i];
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memcpy(ptr, mChunkList[i].get(), len);
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ptr += len;
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}
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*ptr = '\0';
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return c;
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}
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void
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ChunkedJSONWriteFunc::Take(ChunkedJSONWriteFunc&& aOther)
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{
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for (size_t i = 0; i < aOther.mChunkList.length(); i++) {
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MOZ_ALWAYS_TRUE(mChunkLengths.append(aOther.mChunkLengths[i]));
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MOZ_ALWAYS_TRUE(mChunkList.append(mozilla::Move(aOther.mChunkList[i])));
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}
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mChunkPtr = mChunkList.back().get() + mChunkLengths.back();
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mChunkEnd = mChunkPtr;
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aOther.mChunkPtr = nullptr;
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aOther.mChunkEnd = nullptr;
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aOther.mChunkList.clear();
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aOther.mChunkLengths.clear();
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}
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void
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ChunkedJSONWriteFunc::AllocChunk(size_t aChunkSize)
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{
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MOZ_ASSERT(mChunkLengths.length() == mChunkList.length());
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mozilla::UniquePtr<char[]> newChunk = mozilla::MakeUnique<char[]>(aChunkSize);
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mChunkPtr = newChunk.get();
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mChunkEnd = mChunkPtr + aChunkSize;
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*mChunkPtr = '\0';
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MOZ_ALWAYS_TRUE(mChunkLengths.append(0));
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MOZ_ALWAYS_TRUE(mChunkList.append(mozilla::Move(newChunk)));
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}
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void
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SpliceableJSONWriter::TakeAndSplice(ChunkedJSONWriteFunc* aFunc)
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{
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Separator();
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for (size_t i = 0; i < aFunc->mChunkList.length(); i++) {
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WriteFunc()->Write(aFunc->mChunkList[i].get());
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}
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aFunc->mChunkPtr = nullptr;
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aFunc->mChunkEnd = nullptr;
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aFunc->mChunkList.clear();
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aFunc->mChunkLengths.clear();
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mNeedComma[mDepth] = true;
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}
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void
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SpliceableJSONWriter::Splice(const char* aStr)
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{
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Separator();
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WriteFunc()->Write(aStr);
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mNeedComma[mDepth] = true;
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}
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void
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SpliceableChunkedJSONWriter::TakeAndSplice(ChunkedJSONWriteFunc* aFunc)
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{
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Separator();
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WriteFunc()->Take(mozilla::Move(*aFunc));
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mNeedComma[mDepth] = true;
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}
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