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96 lines
3.2 KiB
C++
96 lines
3.2 KiB
C++
/*************************************************************************************
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Grid physics library, www.github.com/paboyle/Grid
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Source file: ./lib/MemoryStats.h
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Copyright (C) 2015
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Author: Azusa Yamaguchi <ayamaguc@staffmail.ed.ac.uk>
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Author: Peter Boyle <paboyle@ph.ed.ac.uk>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program 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
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along
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with this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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See the full license in the file "LICENSE" in the top level distribution directory
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*************************************************************************************/
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/* END LEGAL */
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#pragma once
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NAMESPACE_BEGIN(Grid);
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std::string sizeString(size_t bytes);
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struct MemoryStats
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{
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size_t totalAllocated{0}, maxAllocated{0},
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currentlyAllocated{0}, totalFreed{0};
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};
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class MemoryProfiler
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{
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public:
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static MemoryStats *stats;
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static bool debug;
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};
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#define memString(bytes) std::to_string(bytes) + " (" + sizeString(bytes) + ")"
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#define profilerDebugPrint \
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if (MemoryProfiler::stats) \
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{ \
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auto s = MemoryProfiler::stats; \
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std::cout << GridLogDebug << "[Memory debug] Stats " << MemoryProfiler::stats << std::endl; \
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std::cout << GridLogDebug << "[Memory debug] total : " << memString(s->totalAllocated) \
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<< std::endl; \
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std::cout << GridLogDebug << "[Memory debug] max : " << memString(s->maxAllocated) \
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<< std::endl; \
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std::cout << GridLogDebug << "[Memory debug] current: " << memString(s->currentlyAllocated) \
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<< std::endl; \
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std::cout << GridLogDebug << "[Memory debug] freed : " << memString(s->totalFreed) \
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<< std::endl; \
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}
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#define profilerAllocate(bytes) \
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if (MemoryProfiler::stats) \
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{ \
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auto s = MemoryProfiler::stats; \
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s->totalAllocated += (bytes); \
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s->currentlyAllocated += (bytes); \
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s->maxAllocated = std::max(s->maxAllocated, s->currentlyAllocated); \
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} \
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if (MemoryProfiler::debug) \
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{ \
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std::cout << GridLogDebug << "[Memory debug] allocating " << memString(bytes) << std::endl; \
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profilerDebugPrint; \
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}
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#define profilerFree(bytes) \
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if (MemoryProfiler::stats) \
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{ \
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auto s = MemoryProfiler::stats; \
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s->totalFreed += (bytes); \
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s->currentlyAllocated -= (bytes); \
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} \
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if (MemoryProfiler::debug) \
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{ \
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std::cout << GridLogDebug << "[Memory debug] freeing " << memString(bytes) << std::endl; \
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profilerDebugPrint; \
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}
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void check_huge_pages(void *Buf,uint64_t BYTES);
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NAMESPACE_END(Grid);
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