asan_stats.h revision ca2cdd989076d091d8c4d4c277f8b47d9b5903ad
1//===-- asan_stats.h --------------------------------------------*- C++ -*-===// 2// 3// The LLVM Compiler Infrastructure 4// 5// This file is distributed under the University of Illinois Open Source 6// License. See LICENSE.TXT for details. 7// 8//===----------------------------------------------------------------------===// 9// 10// This file is a part of AddressSanitizer, an address sanity checker. 11// 12// ASan-private header for statistics. 13//===----------------------------------------------------------------------===// 14#ifndef ASAN_STATS_H 15#define ASAN_STATS_H 16 17#include "asan_allocator.h" 18#include "asan_internal.h" 19 20namespace __asan { 21 22// AsanStats struct is NOT thread-safe. 23// Each AsanThread has its own AsanStats, which are sometimes flushed 24// to the accumulated AsanStats. 25struct AsanStats { 26 // AsanStats must be a struct consisting of uptr fields only. 27 // When merging two AsanStats structs, we treat them as arrays of uptr. 28 uptr mallocs; 29 uptr malloced; 30 uptr malloced_redzones; 31 uptr frees; 32 uptr freed; 33 uptr real_frees; 34 uptr really_freed; 35 uptr really_freed_redzones; 36 uptr reallocs; 37 uptr realloced; 38 uptr mmaps; 39 uptr mmaped; 40 uptr mmaped_by_size[kNumberOfSizeClasses]; 41 uptr malloced_by_size[kNumberOfSizeClasses]; 42 uptr freed_by_size[kNumberOfSizeClasses]; 43 uptr really_freed_by_size[kNumberOfSizeClasses]; 44 45 uptr malloc_large; 46 uptr malloc_small_slow; 47 48 // Ctor for global AsanStats (accumulated stats and main thread stats). 49 explicit AsanStats(LinkerInitialized) { } 50 // Default ctor for thread-local stats. 51 AsanStats(); 52 53 // Prints formatted stats to stderr. 54 void Print(); 55}; 56 57// A cross-platform equivalent of malloc_statistics_t on Mac OS. 58struct AsanMallocStats { 59 uptr blocks_in_use; 60 uptr size_in_use; 61 uptr max_size_in_use; 62 uptr size_allocated; 63}; 64 65} // namespace __asan 66 67#endif // ASAN_STATS_H 68