141 lines
3.1 KiB
C++
141 lines
3.1 KiB
C++
/**
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* @file llallocator.cpp
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* @brief Implementation of the LLAllocator class.
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*
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* $LicenseInfo:firstyear=2009&license=viewergpl$
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*
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* Copyright (c) 2009-2009, Linden Research, Inc.
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*
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* Second Life Viewer Source Code
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* The source code in this file ("Source Code") is provided by Linden Lab
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* to you under the terms of the GNU General Public License, version 2.0
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* ("GPL"), unless you have obtained a separate licensing agreement
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* ("Other License"), formally executed by you and Linden Lab. Terms of
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* the GPL can be found in doc/GPL-license.txt in this distribution, or
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* online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
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*
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* There are special exceptions to the terms and conditions of the GPL as
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* it is applied to this Source Code. View the full text of the exception
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* in the file doc/FLOSS-exception.txt in this software distribution, or
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* online at
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* http://secondlifegrid.net/programs/open_source/licensing/flossexception
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*
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* By copying, modifying or distributing this software, you acknowledge
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* that you have read and understood your obligations described above,
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* and agree to abide by those obligations.
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*
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* ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
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* WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
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* COMPLETENESS OR PERFORMANCE.
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* $/LicenseInfo$
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*/
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#include "linden_common.h"
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#include "llallocator.h"
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#if LL_USE_TCMALLOC
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#include "google/heap-profiler.h"
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#include "google/commandlineflags_public.h"
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DECLARE_bool(heap_profile_use_stack_trace);
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//DECLARE_double(tcmalloc_release_rate);
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// static
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void LLAllocator::pushMemType(S32 type)
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{
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if(isProfiling())
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{
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PushMemType(type);
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}
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}
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// static
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S32 LLAllocator::popMemType()
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{
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if (isProfiling())
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{
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return PopMemType();
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}
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else
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{
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return -1;
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}
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}
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void LLAllocator::setProfilingEnabled(bool should_enable)
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{
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// NULL disables dumping to disk
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static char const * const PREFIX = NULL;
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if(should_enable)
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{
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HeapProfilerSetUseStackTrace(false);
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HeapProfilerStart(PREFIX);
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}
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else
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{
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HeapProfilerStop();
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}
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}
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// static
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bool LLAllocator::isProfiling()
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{
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return IsHeapProfilerRunning();
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}
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std::string LLAllocator::getRawProfile()
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{
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// *TODO - fix google-perftools to accept an buffer to avoid this
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// malloc-copy-free cycle.
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char * buffer = GetHeapProfile();
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std::string ret = buffer;
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free(buffer);
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return ret;
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}
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#else // LL_USE_TCMALLOC
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//
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// stub implementations for when tcmalloc is disabled
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//
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// static
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void LLAllocator::pushMemType(S32 type)
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{
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}
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// static
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S32 LLAllocator::popMemType()
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{
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return -1;
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}
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void LLAllocator::setProfilingEnabled(bool should_enable)
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{
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}
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// static
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bool LLAllocator::isProfiling()
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{
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return false;
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}
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std::string LLAllocator::getRawProfile()
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{
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return std::string();
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}
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#endif // LL_USE_TCMALLOC
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LLAllocatorHeapProfile const & LLAllocator::getProfile()
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{
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mProf.mLines.clear();
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// *TODO - avoid making all these extra copies of things...
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std::string prof_text = getRawProfile();
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//std::cout << prof_text << std::endl;
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mProf.parse(prof_text);
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return mProf;
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}
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