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1//===-- asan_stats.h --------------------------------------------*- C++ -*-===//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-exception6//7//===----------------------------------------------------------------------===//8//9// This file is a part of AddressSanitizer, an address sanity checker.10//11// ASan-private header for statistics.12//===----------------------------------------------------------------------===//13#ifndef ASAN_STATS_H14#define ASAN_STATS_H15 16#include "asan_allocator.h"17#include "asan_internal.h"18 19namespace __asan {20 21// AsanStats struct is NOT thread-safe.22// Each AsanThread has its own AsanStats, which are sometimes flushed23// to the accumulated AsanStats.24struct AsanStats {25 // AsanStats must be a struct consisting of uptr fields only.26 // When merging two AsanStats structs, we treat them as arrays of uptr.27 uptr mallocs;28 uptr malloced;29 uptr malloced_redzones;30 uptr frees;31 uptr freed;32 uptr real_frees;33 uptr really_freed;34 uptr reallocs;35 uptr realloced;36 uptr mmaps;37 uptr mmaped;38 uptr munmaps;39 uptr munmaped;40 uptr malloc_large;41 uptr malloced_by_size[kNumberOfSizeClasses];42 43 // Ctor for global AsanStats (accumulated stats for dead threads).44 explicit AsanStats(LinkerInitialized) { }45 // Creates empty stats.46 AsanStats();47 48 void Print(); // Prints formatted stats to stderr.49 void Clear();50 void MergeFrom(const AsanStats *stats);51};52 53// Returns stats for GetCurrentThread(), or stats for fake "unknown thread"54// if GetCurrentThread() returns 0.55AsanStats &GetCurrentThreadStats();56// Flushes a given stats into accumulated stats of dead threads.57void FlushToDeadThreadStats(AsanStats *stats);58 59// A cross-platform equivalent of malloc_statistics_t on Mac OS.60struct AsanMallocStats {61 uptr blocks_in_use;62 uptr size_in_use;63 uptr max_size_in_use;64 uptr size_allocated;65};66 67void FillMallocStatistics(AsanMallocStats *malloc_stats);68 69} // namespace __asan70 71#endif // ASAN_STATS_H72