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 20 namespace __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. 25 struct AsanStats { 26 // AsanStats must be a struct consisting of size_t fields only. 27 // When merging two AsanStats structs, we treat them as arrays of size_t. 28 size_t mallocs; 29 size_t malloced; 30 size_t malloced_redzones; 31 size_t frees; 32 size_t freed; 33 size_t real_frees; 34 size_t really_freed; 35 size_t really_freed_redzones; 36 size_t reallocs; 37 size_t realloced; 38 size_t mmaps; 39 size_t mmaped; 40 size_t mmaped_by_size[kNumberOfSizeClasses]; 41 size_t malloced_by_size[kNumberOfSizeClasses]; 42 size_t freed_by_size[kNumberOfSizeClasses]; 43 size_t really_freed_by_size[kNumberOfSizeClasses]; 44 45 size_t malloc_large; 46 size_t malloc_small_slow; 47 48 // Ctor for global AsanStats (accumulated stats and main thread stats). AsanStatsAsanStats49 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 } // namespace __asan 58 59 #endif // ASAN_STATS_H 60