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Diffstat (limited to 'indra/llcommon/llallocator_heap_profile.cpp')
| -rw-r--r-- | indra/llcommon/llallocator_heap_profile.cpp | 145 |
1 files changed, 0 insertions, 145 deletions
diff --git a/indra/llcommon/llallocator_heap_profile.cpp b/indra/llcommon/llallocator_heap_profile.cpp deleted file mode 100644 index 85e56b4db4..0000000000 --- a/indra/llcommon/llallocator_heap_profile.cpp +++ /dev/null @@ -1,145 +0,0 @@ -/** - * @file llallocator_heap_profile.cpp - * @brief Implementation of the parser for tcmalloc heap profile data. - * @author Brad Kittenbrink - * - * $LicenseInfo:firstyear=2009&license=viewerlgpl$ - * Second Life Viewer Source Code - * Copyright (C) 2010, Linden Research, Inc. - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; - * version 2.1 of the License only. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - * - * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA - * $/LicenseInfo$ - */ - -#include "linden_common.h" -#include "llallocator_heap_profile.h" - -#if LL_MSVC -// disable warning about boost::lexical_cast returning uninitialized data -// when it fails to parse the string -#pragma warning (disable:4701) -#pragma warning (disable:4702) -#endif - -#include <boost/algorithm/string/split.hpp> -#include <boost/bind.hpp> -#include <boost/lexical_cast.hpp> -#include <boost/range/iterator_range.hpp> - -static const std::string HEAP_PROFILE_MAGIC_STR = "heap profile:"; - -static bool is_separator(char c) -{ - return isspace(c) || c == '[' || c == ']' || c == ':'; -} - -void LLAllocatorHeapProfile::parse(std::string const & prof_text) -{ - // a typedef for handling a token in the string buffer - // it's a begin/end pair of string::const_iterators - typedef boost::iterator_range<std::string::const_iterator> range_t; - - mLines.clear(); - - if(prof_text.compare(0, HEAP_PROFILE_MAGIC_STR.length(), HEAP_PROFILE_MAGIC_STR) != 0) - { - // *TODO - determine if there should be some better error state than - // mLines being empty. -brad - LL_WARNS() << "invalid heap profile data passed into parser." << LL_ENDL; - return; - } - - std::vector< range_t > prof_lines; - - std::string::const_iterator prof_begin = prof_text.begin() + HEAP_PROFILE_MAGIC_STR.length(); - - range_t prof_range(prof_begin, prof_text.end()); - boost::algorithm::split(prof_lines, - prof_range, - boost::bind(std::equal_to<llwchar>(), '\n', _1)); - - std::vector< range_t >::const_iterator i; - for(i = prof_lines.begin(); i != prof_lines.end() && !i->empty(); ++i) - { - range_t const & line_text = *i; - - std::vector<range_t> line_elems; - - boost::algorithm::split(line_elems, - line_text, - is_separator); - - std::vector< range_t >::iterator j; - j = line_elems.begin(); - - while(j != line_elems.end() && j->empty()) { ++j; } // skip any separator tokens - llassert_always(j != line_elems.end()); - U32 live_count = boost::lexical_cast<U32>(*j); - ++j; - - while(j != line_elems.end() && j->empty()) { ++j; } // skip any separator tokens - llassert_always(j != line_elems.end()); - U64 live_size = boost::lexical_cast<U64>(*j); - ++j; - - while(j != line_elems.end() && j->empty()) { ++j; } // skip any separator tokens - llassert_always(j != line_elems.end()); - U32 tot_count = boost::lexical_cast<U32>(*j); - ++j; - - while(j != line_elems.end() && j->empty()) { ++j; } // skip any separator tokens - llassert_always(j != line_elems.end()); - U64 tot_size = boost::lexical_cast<U64>(*j); - ++j; - - while(j != line_elems.end() && j->empty()) { ++j; } // skip any separator tokens - llassert(j != line_elems.end()); - if (j != line_elems.end()) - { - ++j; // skip the '@' - - mLines.push_back(line(live_count, live_size, tot_count, tot_size)); - line & current_line = mLines.back(); - - for(; j != line_elems.end(); ++j) - { - if(!j->empty()) - { - U32 marker = boost::lexical_cast<U32>(*j); - current_line.mTrace.push_back(marker); - } - } - } - } - // *TODO - parse MAPPED_LIBRARIES section here if we're ever interested in it -} - -void LLAllocatorHeapProfile::dump(std::ostream & out) const -{ - for (const LLAllocatorHeapProfile::line& line : mLines) - { - out << line.mLiveCount << ": " << line.mLiveSize << '[' << line.mTotalCount << ": " << line.mTotalSize << "] @"; - - for (const stack_marker marker : line.mTrace) - { - out << ' ' << marker; - } - out << '\n'; - } - out.flush(); -} - |