1 //===-- asan_stats.h --------------------------------------------*- C++ -*-===// 2 // 3 // This file is distributed under the University of Illinois Open Source 4 // License. See LICENSE.TXT for details. 5 // 6 //===----------------------------------------------------------------------===// 7 // 8 // This file is a part of AddressSanitizer, an address sanity checker. 9 // 10 // ASan-private header for statistics. 11 //===----------------------------------------------------------------------===// 12 #ifndef ASAN_STATS_H 13 #define ASAN_STATS_H 14 15 #include "asan_allocator.h" 16 #include "asan_internal.h" 17 18 namespace __asan { 19 20 // AsanStats struct is NOT thread-safe. 21 // Each AsanThread has its own AsanStats, which are sometimes flushed 22 // to the accumulated AsanStats. 23 struct AsanStats { 24 // AsanStats must be a struct consisting of uptr fields only. 25 // When merging two AsanStats structs, we treat them as arrays of uptr. 26 uptr mallocs; 27 uptr malloced; 28 uptr malloced_redzones; 29 uptr frees; 30 uptr freed; 31 uptr real_frees; 32 uptr really_freed; 33 uptr really_freed_redzones; 34 uptr reallocs; 35 uptr realloced; 36 uptr mmaps; 37 uptr mmaped; 38 uptr munmaps; 39 uptr munmaped; 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. 58 struct 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