forked from OSchip/llvm-project
36 lines
1.2 KiB
C++
36 lines
1.2 KiB
C++
//===-- memprof_mibmap.cpp -----------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// This file is a part of MemProfiler, a memory profiler.
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//
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//===----------------------------------------------------------------------===//
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#include "memprof_mibmap.h"
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#include "sanitizer_common/sanitizer_allocator_internal.h"
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#include "sanitizer_common/sanitizer_mutex.h"
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namespace __memprof {
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void InsertOrMerge(const uptr Id, const MemInfoBlock &Block, MIBMapTy &Map) {
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MIBMapTy::Handle h(&Map, static_cast<uptr>(Id), /*remove=*/false,
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/*create=*/true);
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if (h.created()) {
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LockedMemInfoBlock *lmib =
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(LockedMemInfoBlock *)InternalAlloc(sizeof(LockedMemInfoBlock));
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lmib->mutex.Init();
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lmib->mib = Block;
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*h = lmib;
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} else {
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LockedMemInfoBlock *lmib = *h;
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SpinMutexLock lock(&lmib->mutex);
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lmib->mib.Merge(Block);
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}
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}
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} // namespace __memprof
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