//===-- asan_stats.h --------------------------------------------*- C++ -*-===// // // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. // See https://llvm.org/LICENSE.txt for license information. // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception // //===----------------------------------------------------------------------===// // // This file is a part of AddressSanitizer, an address sanity checker. // // ASan-private header for statistics. //===----------------------------------------------------------------------===// #ifndef ASAN_STATS_H #define ASAN_STATS_H #include "asan_allocator.h" #include "asan_internal.h" namespace __asan { // AsanStats struct is NOT thread-safe. // Each AsanThread has its own AsanStats, which are sometimes flushed // to the accumulated AsanStats. struct AsanStats { // AsanStats must be a struct consisting of uptr fields only. // When merging two AsanStats structs, we treat them as arrays of uptr. uptr mallocs; uptr malloced; uptr malloced_redzones; uptr frees; uptr freed; uptr real_frees; uptr really_freed; uptr reallocs; uptr realloced; uptr mmaps; uptr mmaped; uptr munmaps; uptr munmaped; uptr malloc_large; uptr malloced_by_size[kNumberOfSizeClasses]; // Ctor for global AsanStats (accumulated stats for dead threads). explicit AsanStats(LinkerInitialized) { } // Creates empty stats. AsanStats(); void Print(); // Prints formatted stats to stderr. void Clear(); void MergeFrom(const AsanStats *stats); }; // Returns stats for GetCurrentThread(), or stats for fake "unknown thread" // if GetCurrentThread() returns 0. AsanStats &GetCurrentThreadStats(); // Flushes a given stats into accumulated stats of dead threads. void FlushToDeadThreadStats(AsanStats *stats); // A cross-platform equivalent of malloc_statistics_t on Mac OS. struct AsanMallocStats { uptr blocks_in_use; uptr size_in_use; uptr max_size_in_use; uptr size_allocated; }; void FillMallocStatistics(AsanMallocStats *malloc_stats); } // namespace __asan #endif // ASAN_STATS_H |