Home | History | Annotate | Download | only in asan
      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 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 }  // namespace __asan
     58 
     59 #endif  // ASAN_STATS_H
     60