1//===-- memprof_mibmap.cpp -----------------------------------------------===// 2// 3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4// See https://llvm.org/LICENSE.txt for license information. 5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6// 7//===----------------------------------------------------------------------===// 8// 9// This file is a part of MemProfiler, a memory profiler. 10// 11//===----------------------------------------------------------------------===// 12 13#include "memprof_mibmap.h" 14#include "profile/MemProfData.inc" 15#include "sanitizer_common/sanitizer_allocator_internal.h" 16#include "sanitizer_common/sanitizer_mutex.h" 17 18namespace __memprof { 19using ::llvm::memprof::MemInfoBlock; 20 21void InsertOrMerge(const uptr Id, const MemInfoBlock &Block, MIBMapTy &Map) { 22 MIBMapTy::Handle h(&Map, static_cast<uptr>(Id), /*remove=*/false, 23 /*create=*/true); 24 if (h.created()) { 25 LockedMemInfoBlock *lmib = 26 (LockedMemInfoBlock *)InternalAlloc(sizeof(LockedMemInfoBlock)); 27 lmib->mutex.Init(); 28 lmib->mib = Block; 29 *h = lmib; 30 } else { 31 LockedMemInfoBlock *lmib = *h; 32 SpinMutexLock lock(&lmib->mutex); 33 lmib->mib.Merge(Block); 34 } 35} 36 37} // namespace __memprof 38