98 lines
2.6 KiB
C++
98 lines
2.6 KiB
C++
/* Copyright (C) 2012 Siana Gearz
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General
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* Public License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301 USA */
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#include "llviewerprecompiledheaders.h"
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#include "sgmemstat.h"
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#if (!LL_WINDOWS && !LL_LINUX)
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bool SGMemStat::haveStat() {
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return false;
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}
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F32 SGMemStat::getMalloc() {
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return 0.f;
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}
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U32 SGMemStat::getNumObjects() {
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return 0;
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}
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std::string SGMemStat::getPrintableStat() {
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return std::string();
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}
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#else
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extern "C" {
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typedef void (*MallocExtension_GetStats_t)(char* buffer, int buffer_length);
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typedef int (*MallocExtension_GetNumericProperty_t)(const char* property, size_t* value);
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//typedef int (*MallocExtension_SetNumericProperty_t)(const char* property, size_t value);
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}
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static MallocExtension_GetNumericProperty_t MallocExtension_GetNumericProperty = 0;
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static MallocExtension_GetStats_t MallocExtension_GetStats = 0;
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static void initialize() {
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static bool initialized = false;
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if (!initialized) {
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apr_dso_handle_t* hprog = 0;
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LLAPRPool pool;
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pool.create();
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#if LL_WINDOWS
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apr_dso_load(&hprog, "libtcmalloc_minimal.dll", pool());
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#else
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apr_dso_load(&hprog, 0, pool());
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#endif
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apr_dso_sym((apr_dso_handle_sym_t*)&MallocExtension_GetNumericProperty,
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hprog, "MallocExtension_GetNumericProperty");
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apr_dso_sym((apr_dso_handle_sym_t*)&MallocExtension_GetStats,
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hprog, "MallocExtension_GetStats");
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initialized = true;
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}
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}
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bool SGMemStat::haveStat() {
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initialize();
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return MallocExtension_GetNumericProperty;
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}
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F32 SGMemStat::getMalloc() {
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if(MallocExtension_GetNumericProperty) {
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size_t value;
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MallocExtension_GetNumericProperty("generic.current_allocated_bytes", &value);
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return value;
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}
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else return 0.0f;
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}
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U32 SGMemStat::getNumObjects() {
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return 0;
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}
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std::string SGMemStat::getPrintableStat() {
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initialize();
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if (MallocExtension_GetStats) {
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char buffer[4096];
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buffer[4095] = 0;
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MallocExtension_GetStats(buffer, 4095);
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return std::string(buffer);
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}
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else return std::string();
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}
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#endif
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