| //===-- 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 |